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ios - Swift countElements() return incorrect value when count flag emoji

let str1 = "????????????????????" let str2 = "????.????.????.????.????." println("( ... ? The bug seems only occurred when I use the flag emoji. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to remove whitespaces and newlines from every value in a JSON file?

I have a JSON file that has the following structure: { "name":[ { "someKey": " some Value " }, ... and the nested dictionaries and lists? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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523 views

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settings - Can't apply system screen brightness programmatically in Android

I'm using the following to set the system auto brightness mode and level: android.provider.Settings.System.putInt( ... but got the same results. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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383 views

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YouTube embed gives "restricted from playback on certain sites" error despite API metadata indicating otherwise

I am trying to have my client application filter out videos that do not allow embedding. My understanding here is that ... app's WebView....!? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Entity Framework - stored procedure return value

I am trying to get the return value of a stored procedure. Here is an example of such a stored procedure: ... Framework? Thanks for the help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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539 views

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mysql - How to echo out table rows from the db (php)

i want to echo out everything from a particular query. If echo $res I only get one of the strings. If I change the 2nd ... </td><tr></form> "; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to fill up a TableView with database data

I've been trying to load a TableView with data queried from a database, but can't seem to get it to ... /TableView> </children> </AnchorPane> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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665 views

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wpf - How to add validation to view model properties or how to implement INotifyDataErrorInfo

I have a data collection of type ObservableCollection (say instance as myClassTypes). After some user operation, this ... wrong I am doing ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - How get a datetime column in SQLite with Objective C

How do you get a datetime column in SQLite with Objective C? I have a table with 4 fields: pk, datetime, ... what should I use for datetime? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Keyboard Input & the Win32 message loop

How do I handle key presses and key up events in the windows message loop? I need to be able to call two functions ... , whereas I'm using C++. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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513 views

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literals - Setting Short Value Java

I am writing a little code in J2ME. I have a class with a method setTableId(Short tableId). Now when I ... the character for Short value? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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casting - Int to Char in C#

What is the best way to convert an Int value to the corresponding Char in Utf16, given that the Int is in the range of valid values? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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user interface - Disable WPF label accelerator key (text underscore is missing)

I am setting the .Content value of a Label to a string that contains underscores; the first underscore is ... the accelerator for Labels? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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VB.NET - IIF(,,) - Both "sides" are evaluated. What situations should I watch out for?

I recently learned of the IIF(A,B,C) function. I'm a long time VB/VB.NET Coder who recently spent a lot of ... ), use this instead if you can. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Performance of LINQ Any vs FirstOrDefault != null

There are multiple places in an Open Source Project (OSP) code I contribute, where it has to be determined if ... or am I missing something? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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326 views

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android - How to change the generated filename for App Bundles with Gradle?

So to change the generated APK filename inside gradle android I could do something like: applicationVariants.output. ... App Bundle filename? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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400 views

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closures - Access variables from parent scope in anonymous PHP function

I want to write a function that does some dirty work logging a transaction, but the anonymous function scope does not seem ... () { ... } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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536 views

1 answer

c# - Regex word boundary expressions

Say for example I have the following string "one two(three) (three) four five" and I want to replace "( ... text being searched for will be. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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158 views

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Will C++ exceptions safely propagate through C code?

I have a C++ application that calls SQLite's (SQLite is in C) sqlite3_exec() which in turn can call my ... C++ code calling sqlite3_exec()? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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289 views

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javascript - Browser back button handling

I am trying to handle browser back button event but i could not find any solution. I want to ask user if ... one help me in implementing this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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795 views

1 answer

regex - Insert a newline character every 64 characters using Python

Using Python I need to insert a newline character into a string every 64 characters. In Perl it's easy: s/(.{ ... a more pythonic way to do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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541 views

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html - Self-closing tags (void elements) in HTML5

Step 6 of 8.1.2.1 Start tags of the HTML5 spec says that void elements may have a single / character. I think ... to go since it's more HTML5. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

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sql server - error when inserting into table having instead of trigger from entity data framework

I'm using entity framework 4 , on inserting a new record using entity framework in a table that have instead ... to get around this exception? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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111 views

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How do I change date time format in Android?

I am displaying the date and time in Android with this format: 2013-06-18 12:41:24 How can I change it to the ... format? 18-jun-2013 12:41 pm See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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943 views

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winforms - C# vertical label in a Windows Forms

Is it possible to display a label vertically in a Windows Forms? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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334 views

1 answer

c++ - Same random numbers every time I run the program

My random numbers that output, output in the same sequence every time I run my game. Why is this happening? I have ... = 1 + rand() % 6; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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414 views

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C# Linq-to-Sql - Should DataContext be disposed using IDisposable

I have several methods that deal with DB and all of them start by calling FaierDbDataContext db = new ... one way or another? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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427 views

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php - curl and ping - how to check whether a website is either up or down?

I want to check whether a website is up or down at a particular instance using PHP. I came to know that curl ... of code might help me a lot. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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