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What is the purpose of “return await” in C#?
...n async method behave differently: when combined with using (or, more generally, any return await in a try block).
Consider these two versions of a method:
Task<SomeResult> DoSomethingAsync()
{
using (var foo = new Foo())
{
return foo.DoAnotherThingAsync();
}
}
async Tas...
Arduino 101 实验12 - 录音与回放 · App Inventor 2 中文网
...填数字即可，别去找第二个插座。
固件：.ino 里把 SOUND_RECORDER 设为 ENABLED，其余 DISABLED。
音质期望值放低：录的是单声道低采样率音频，存在板子有限的内存里，
只能录几秒，回放是明显的”电子音”。这个实验的意义是...
Use cases for NoSQL [closed]
NoSQL has been getting a lot of attention in our industry recently. I'm really interested in what peoples thoughts are on the best use-cases for its use over relational database storage. What should trigger a developer into thinking that particular datasets are more suited to a NoSQL solution. I'm p...
Cached, PHP generated Thumbnails load slowly
...as how to make this site, load faster. First we needed to read these waterfalls. Thanks all for your suggestions on the waterfall readout analysis. Evident from the various waterfall graphs shown here is the main bottleneck: the PHP-generated thumbnails. The protocol-less jquery loading from CDN adv...
Deep cloning objects
...ts too complex.
And with the use of extension methods (also from the originally referenced source):
In case of you prefer to use the new extension methods of C# 3.0, change the method to have the following signature:
public static T Clone<T>(this T source)
{
//...
}
Now the method call sim...
Creating a copy of a database in PostgreSQL [closed]
...
Postgres allows the use of any existing database on the server as a template when creating a new database. I'm not sure whether pgAdmin gives you the option on the create database dialog but you should be able to execute the following...
IntelliJ beginning of file keyboard shortcut
Is there a keyboard shortcut to move to the beginning of a file? I checked IntelliJ's Keymap for Mac OS X and it doesn't list anything for navigating to the start of a file.
...
How to delete a character from a string using Python
...
M might not be unique. In that case, this will replace all the Ms, right?
– Lazer
Aug 24 '10 at 18:21
14
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Why have header files and .cpp files? [closed]
...dencies so that code that uses the header doesn't necessarily need to know all the details of the implementation and any other classes/headers needed only for that. This will reduce compilation times and also the amount of recompilation needed when something in the implementation changes.
It's not ...
How do you UrlEncode without using System.Web?
I am trying to write a windows client application that calls a web site for data. To keep the install to a minimum I am trying only use dlls in the .NET Framework Client Profile . Trouble is that I need to UrlEncode some parameters, is there an easy way to do this without importing System.Web.dll w...