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postgresql - Collect Recursive JSON Keys In Postgres

I have JSON documents stored in Postgres under the JSON data type (Postgres 9.3) and I need to recursively ... two together. Can anyone 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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loops - C# Count Vowels

I am learning to program C# and I am trying to count the vowels. I am getting the program to loop through the ... total); Console.ReadLine(); } See Question&Answers more detail:os...

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

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557 views

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ruby on rails - Can't install pg gem on Mountain Lion

I have been having a lot of troubles with Rails after upgrading to Mountain Lion. Trying to trouble shoot these ... it fails at pg installation. See Question&Answers more detail:os...

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

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r - Get width of plot area in ggplot2

Is there any way to get the width of the plot area in the grid window? It grows or shrinks, for instance, if ... grid.arrange(p1, p2, ncol=2) 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 - Calling a DLL from an Applet via JNI

I have a "proof of concept" piece of work that crosses over into some unfamiliar territory. I'm tasked ... how? Thanks in anticipation Mike 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 - gnuplot linecolor variable in matplotlib?

I have an array of y-values that form a line. Additionally, I have an array with the same number of ... of the lines just appeared black. See Question&Answers more detail:os...

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

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angular - Firestore how to get the collection value from another collection document id is referenced

I have two fire store collection with following reference image . I want to get the firstName and title. Here ... store.Please help me. 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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c - read file backwards (last line first)

file looks like this: abcd efgh ijkl I want to read the file using C so that it read the last line ... the reverse order? Is that possible? 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# - Choosing which IP the HTTP request is using when having multiple IPs (.NET)

I am writing a .NET program which will run on a computer with several IP addresses. The program makes HTTP ... the other server). Suggestions? See Question&Answers more detail:os...

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

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ASP.NET MVC rendering partial view with jQuery ajax

I have a controller action which renders a partial view: public ActionResult Details(int id) { DetailsViewModel ... could best acheive 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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asp.net mvc - How to create two footer rows in jqgrid

I am working on jqgrid with ASP.NET WEB API. I want to add two rows in the footer of jqgrid. So a ... footer rows in jqgrid. Any thoughts ? See Question&Answers more detail:os...

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

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windows - How to hook external process with SetWindowsHookEx and WH_KEYBOARD

I am trying to hook for example Notepad without sucess. Making a global hook seems to work fine. Testing on XP SP2 ... (); } return 0; } See Question&Answers more detail:os...

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

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php - How to show ajax loading gif animation while the page is loading?

I try to implement AJAX in my website. When the content of the div changepass is clicked then it should load ... Give me some code tips Please. 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 adapt or resize a rectangle inside an object without including (or with a few numbers) of background pixels?

After I applied thresholding and finding the contours of the object, I used the following code to get the straight ... How do I create 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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winapi - Avoiding UAC but launching an elevated process using a windows service

I have a non-interactive service running as a the privileged SYSTEM user on Windows machines, and I need it to ... of maybe getting an answer. See Question&Answers more detail:os...

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

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Cross-browser CSS

How do professional web designers create cross-browser CSS? Is it generally done by hand, or are there ... editors like DreamWeaver. 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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Retrieving image from Firebase Storage using Swift

I am looking for a beginning to end code example of retrieving an image from Firebase Storage, just to show an ... menu.photo return cell } } See Question&Answers more detail:os...

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

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424 views

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php - Include jQuery into Symfony2

I am new in Symfony2 framework and not fully understand how to work with javascripts and how to include theirs in the ... I use asset() and how? See Question&Answers more detail:os...

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

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security - Use App Scripts to open form and make a selection

To put this briefly I am testing a Google drive form that will record votes for a school election to ... .com/forms/d/RANDOM_STRING/viewform See Question&Answers more detail:os...

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

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Better approach for XML Creation in Blackberry

I have created XML file,but I can't view it/output it.I know there is no way to output created XML file ... . Which approach will suite me most? See Question&Answers more detail:os...

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

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737 views

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Convert float into varchar in SQL Server without scientific notation

Convert float into varchar in SQL Server without scientific notation and trimming decimals. For example: I have ... float value comes randomly. See Question&Answers more detail:os...

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

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datetime - Best way to get maximum Date value in java?

I'm writing a bit of logic that requires treating null dates as meaning forever in the future (the date ... Date implementation is being used? See Question&Answers more detail:os...

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

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269 views

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How can I sort a list of strings in Dart?

I see in the API docs there is a sort() method on List, but I'm not clear what it needs for a ... a very simple straight up alpha comparison. See Question&Answers more detail:os...

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

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670 views

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commons-logging defines classes that conflict with classes now provided by Android after Android Studio Update

I have updated Android Studio to version 3 and now seems unable to compile my project previously compiled without ... exactly the same project. See Question&Answers more detail:os...

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

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838 views

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html - force element to display outside of overflow:hidden

This is probably attempting the impossible, but I would like to display an element outside of an element that is overflow: ... > </div> </div> See Question&Answers more detail:os...

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

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389 views

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Test Artifact selector missing/gone from Build Variants in Android Studio 2 Beta 5

In order to run Instrumentation Tests from within Android Studio, I typically select "Android Instrumentation Tests" ... taken its place? See Question&Answers more detail:os...

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

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324 views

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php - How to convert array to a string using methods other than JSON?

What is a function in PHP used to convert array to string, other than using JSON? I know there is a function ... JSON. I just don't remember. See Question&Answers more detail:os...

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

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569 views

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c - *nix select and exceptfds/errorfds semantics

The select syscall takes 3 filedescriptor sets for watching fds for readable/writeable and "exceptions" on ... kinds of descriptors? See Question&Answers more detail:os...

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

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