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vb.net - Casting DataTypes with DirectCast, CType, TryCast

Ever since I moved from VB6 to VB.NET somewhere in 2005, I've been using CType to do casting from one data ... what as well would be helpful. 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 - %matplotlib notebook showing a blank histogram

In my Jupyter notebook I am now using %matplotlib notebook instead of %matplotlib inline, it's awesome that I can now ... fine: What's going on? See Question&Answers more detail:os...

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

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561 views

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insert datetime value in sql database with c#

How do I insert a datetime value into a SQL database table where the type of the column is 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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recursion - How to increase stack size for a ruby app. Recursive app getting: Stack level too deep (SystemStackError)

Posting a stack overflow question on stackoverflow.com, how amusing :-) I'm running some recursive Ruby code and I ... from tst.rb:22 -Andreas See Question&Answers more detail:os...

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

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disk - Is there any way of detecting if a drive is a SSD?

I'm getting ready to release a tool that is only effective with regular hard drives, not SSD (solid state drive ... given drive is solid-state? See Question&Answers more detail:os...

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

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455 views

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IntelliJ: Viewing diff of all changed files between local and a git commit/branch

Using IntelliJ's diff viewer is a very nice way to review code because you can make changes in your local version ... know how to do 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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amazon web services - Missing Authentication Token while accessing API Gateway?

I am trying to call a Lambda Function through AWS API Gateway. When I mention Authentication type NONE it works ... what I am missing here. See Question&Answers more detail:os...

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

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puppeteer - How to select an option from dropdown select

I can click the selector but my question is how to select one of the options from the dropdown list? await page ... code from a list like below: See Question&Answers more detail:os...

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

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linux - How to escape a single quote in single quote string in Bash?

I want to display a string in Bash like this I'm a student Of course you can do it like this echo "I ... using single quote around the string ? 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 - Unresolved attribute reference 'objects' for class '' in PyCharm

I use community pycharm and the version of python is 3.6.1, django is 1.11.1. This warning has no affect ... cannot use the IDE's auto complete. See Question&Answers more detail:os...

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

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704 views

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angular - TypeScript error in Angular2 code: Cannot find name 'module'

I have defined the following Angular2 component: import {Component} from 'angular2/core'; @Component({ selector ... the TypeScript error? See Question&Answers more detail:os...

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

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Android- how can I convert android.net.Uri object to java.net.URI object?

I am trying to get a FileInputStream object on an image that the user selects from the picture gallery ... (bytes.toByteArray()); See Question&Answers more detail:os...

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

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How to convert JSON string into List of Java object?

This is my JSON Array :- [ { "firstName" : "abc", "lastName" : "xyz" }, { "firstName" : "pqr", ... of com.aa.Student out of START_ARRAY token See Question&Answers more detail:os...

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

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In C# WPF, why is my TabControl's SelectionChanged event firing too often?

I have a tabbed GUI with each tab containing a Frame. In one of these Frames there is a DataGrid. When the ... problem. What is causing 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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106 views

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How to use default Android drawables

What is the best approach when using default Android drawables? Should I use android.R.drawable or should I copy ... bitmaps for version 1.6. See Question&Answers more detail:os...

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

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574 views

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linux - What's wrong with my lookahead regex in GNU sed?

This is what I'm doing (simplified example): gsed -i -E 's/^(?!foo)(.*)$/bar1/' file.txt ... Invalid preceding regular expression What's wrong? See Question&Answers more detail:os...

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

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237 views

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python - Use index in pandas to plot data

I have a pandas-Dataframe and use resample() to calculate means (e.g. daily or monthly means). Here is ... DataFrame monthly_mean as the x-axis? See Question&Answers more detail:os...

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

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589 views

1 answer

javascript - Why can't I pass "window.location.reload" as an argument to setTimeout?

I would love some insight into the error I am seeing in Safari and Chrome with the following line of code: ... 's a jsfiddle illustrating 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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309 views

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php - Column count of mysql.proc is wrong. Expected 20, found 16. The table is probably corrupted

I am using 000webhost.com and I am using phpMyAdmin there. I am getting this error from MySQL when I run my ... $response); } mysql_close(); ?> See Question&Answers more detail:os...

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

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452 views

1 answer

mysql - How do I count columns of a table

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

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571 views

1 answer

git clone, ignoring a directory

I'm trying to test something on a wordpress install. In doing so, I'd like to quickly replicate the repo. ... Or is there a better method? See Question&Answers more detail:os...

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

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515 views

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join - Merge two rows in SQL

Assuming I have a table containing the following information: FK | Field1 | Field2 ================== ... Edit: Fix field2 name for clarity See Question&Answers more detail:os...

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

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1.0k views

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macos - Maven home (M2_HOME) not being picked up by IntelliJ IDEA

I am trying to do a simple maven build with IntelliJ IDEA 10.5.1 on OS X Lion and am getting the following ... know where my maven home is? See Question&Answers more detail:os...

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

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352 views

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python - How to get the text cursor position in Windows?

Is it possible to get the overall cursor position in Windows using the standard Python libraries? See Question&Answers more detail:os...

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

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161 views

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character in shell script

I get the below error while trying to execute a shell script, $' ': command not found: line 2: Please suggest a ... >" export RC=50 exit $RC fi See Question&Answers more detail:os...

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

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199 views

1 answer

android - Add an Image from url into custom InfoWindow google maps v2

I'm am working in an android app. The user make a search at google maps for restaurants. In google map display ... not appear. Why this happen? See Question&Answers more detail:os...

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

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398 views

1 answer

iphone - iOS: Programmatically add custom font during runtime

I would like to allow my application users to use their own fonts in the app, by copying them inside ... override this during runtime? 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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504 views

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android - How to pass ArrayList<HashMap<String, String>>from one activity to another

How i can pass Array List from one Activity to another my array list is shown as follows ArrayList<HashMap<String, String>> See Question&Answers more detail:os...

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

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