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vb.net - Should I use Call keyword in VB/VBA?

I use the Call keyword when calling subs in VB/VBA. I know it's optional, but is it better to use it or ... up any stackspace to make room for the return value. Question&Answers:os...

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

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c++ - What does the operation c=a+++b mean?

The following code has me confused int a=2,b=5,c; c=a+++b; printf("%d,%d,%d",a,b,c); I expected the ... is 3,5,7. Can someone explain why this is the case? Question&Answers:os...

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

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angularjs - Rendering directives within $sce.trustAsHtml

I've included a Plunker here: http://plnkr.co/edit/4vqV8toHo0vNjtfICtzI?p=preview I'm trying to add a button to ... ng-bind-html="trustedHtml"></div> </body> Question&Answers:os...

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

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node.js - Making mongoose.js queries run synchronously

I have two mongoose collections. The first stores a list of places, the second is visits to the places. My ... is there a way to make them run synchronously? Question&Answers:os...

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

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c# - How do I handle null or optional DLL struct parameters

How do I deal with optional struct arguments in dll methods called from C# using pinvoke? For example, the ... . What ways are there to achieve this? Question&Answers:os...

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

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javascript - How to use jQuery and jQuery plugins with PrimeFaces

I've a PrimeFaces web application. When I manually add jQuery and plugins like below, <script type="text/javascript" ... is this caused and how can I solve it? Question&Answers:os...

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

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regex - Java split is eating my characters

I have a string like this String str = "la$le\$li$lo". I want to split it to get the following output "la" ... Any idea of how to get my characters back? Thanks Question&Answers:os...

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

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audio - FFMPEG amix filter volume issue with inputs of different duration

I noticed that ffmpeg amix filter doesn't output good result in specific situation. It works fine if input ... many inputs and ensure constant volume level. Question&Answers:os...

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

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batch file - Date arithmetic in cmd scripting

I need to write a script to change a filename from aDate.txt to bDate.txt where: aDate is the current system date ... new month and so on for years. Any ideas? Question&Answers:os...

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

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c# - Equivalent of SQL ISNULL in LINQ?

In SQL you can run a ISNULL(null,'') how would you do this in a linq query? I have a join in this query: var ... ) how can I set this to false if it is null? Question&Answers:os...

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

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How to CSS: select element based on inner HTML

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

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c# - The calling thread cannot access this object because a different thread owns it

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

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c# - Custom Deserialization using Json.NET

I have a class public class Order { public int Id { get; set; } public string ShippingMethod { get; set; } ... in the docs just for WriteJson, but not ReadJson. Question&Answers:os...

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

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javascript - jquery: what does "$(this)" exactly mean?

I have a program and it works well. See HERE. This is the code: <div id="round"></div> <style> #round{ position: absolute; ... {duration: 300} ); }, 0); }); }); Question&Answers:os...

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

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ios - Is it considered a private API to use App-prefs:root?

In my app I'm using [NSURL URLWithString:@"App-Prefs:root=Privacy&path=LOCATION"] to open settings screen. ... some sources this is considered a private API? Question&Answers:os...

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

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java - how to save bitmap to android gallery

unfortunately the solutions I've found didn't work on android 5.1.1. I have a bitmap called source. I need to ... Can you give me a working method to do this? Question&Answers:os...

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

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php - mysqli_select_db() expects parameter 1 to be mysqli, string given

I am new to Mysqli_* and I am getting these errors: Warning: mysqli_select_db() expects parameter 1 to be mysqli, string ... failed: " . mysqli_error()); } ?> Question&Answers:os...

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

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java - How to bundle images in jar file

I made a java application.and bundled all classes in jar file..wen i run the project from netbeans my app is ... (like we present .jar file).Thanks in advance Question&Answers:os...

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

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r - anova test fails on lme fits created with pasted formula

I often specify the formula argument to model fitting functions like lm or lme by pasting together the parts I need, ... vs 2 12.13922 0.0163 Any suggestions? Question&Answers:os...

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

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javascript - How to do setState inside callback: ReactJS

Following is the code that I used to set the state. handleAddNewQuiz(event){ this.quiz = new Quiz(this.db, this. ... , still no luck. How can I solve this? Question&Answers:os...

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

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413 views

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Unable to copy exact hindi content from pdf

I am not able to copy hindi content from pdf file. When I am trying to copy/paste that content it changes to ... can help me to get the exact hindi characters. Question&Answers:os...

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

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156 views

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toFixed javascript function giving strange results?

I am trying to fix the number to 2 digits after decimal and for that i am using toFixedfunction of javascript. ... why it is happening. Thanks for your help. Question&Answers:os...

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

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307 views

1 answer

php - Check whether $_POST-value is empty

if(isset($_POST['submit'])) { if(!isset($_POST['userName'])) { $username = 'Anonymous'; } else $username = ... either blank or the value of $_POST['userName']. Question&Answers:os...

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

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177 views

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c++ - Win32 programming hiding console window

I'm learning C++ and I made a new program. I deleted some of my code and now my console window is not ... to make it hide on startup without them seeing it? Question&Answers:os...

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

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c - Order of operations for pre-increment and post-increment in a function argument?

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

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php - Optional Whitespace Regex

I'm having a problem trying to ignore whitespace in-between certain characters. I've been Googling around for a few ... characters? As I am not a Regex expert. Question&Answers:os...

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

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117 views

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Dex error On Android Studio 3.0 Beta4

Error:java.lang.RuntimeException: java.lang.RuntimeException: com.android.builder.dexing.DexArchiveMergerException: ... /zxing/integration/android/IntentResult; Question&Answers:os...

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

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171 views

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URL Decoding in PHP

I am trying to decode this URL string using PHP's urldecode function: urldecode("Ant%C3%B4nio+Carlos+Jobim"); ... do this operation server side. Any ideas? Question&Answers:os...

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

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