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Pick a random element from an array
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Swift 4.2 and above
The new recommended approach is a built-in method on the Collection protocol: randomElement(). It returns an optional to avoid the empty case I assumed against previously.
let array = ["Frodo", "Sam", "Wis...
How do you create an asynchronous method in C#?
... build your own asynchronous methods to consume. So I have this code right now that consumes my method:
3 Answers
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Naming convention for unique constraint
...it's a constraint.
It could be used as a key of course, and uniquely identifies a row, but it isn't the key.
An example would be that the key is "ThingID", a surrogate key used in place of ThingName the natural key. You still need to constrain ThingName: it won't be used as a key though.
I'd als...
How to remove the first and the last character of a string
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But if you where to move to another server, the traling slash might not be there (or maybe you configed the change on purpose). Not downvoting, just pointing it out :)
– Martijn
Nov 25 '13 a...
How to compile for Windows on Linux with gcc/g++?
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If you use debian, mingw32 is already in the repository, together with few precompiled libraries too.
– liori
Jan 9 '10 at 16:45
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What is the purpose of “return await” in C#?
...case when return in normal method and return await in 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())
{
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Bash function to find newest file matching pattern
...s when the filenames can contain funny characters like spaces or newlines. If you can guarantee that the filenames will not contain funny characters then parsing ls is quite safe.
If you are developing a script which is meant to be run by many people on many systems in many different situations the...
GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
...FIXEDCOL // Cell is part of a fixed column
GVIS_MODIFIED // Cell has been modified
3. 在选定一个单元格时，选择整行
void CGridCtrl::SetListMode(BOOL bEnableListMode = TRUE)
先设定表格为ListMode
4. 说明添加固定列头和固定行头...
Switching to a TabBar tab view programmatically?
... work if I wanna switch the tab. lets say I click tab 3 and show alertView now as user press ok, I want to switch to tab 1 again. Self wont be right as its not the current object. Correct ?
– Alix
Aug 2 '14 at 6:46
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Change the URL in the browser without loading the new page using JavaScript
... You're right, last time i experimented with Chrome. I just now tried with Firefox 3.6 on my Ubuntu, it didn't work. I guess we'll have to wait until HTML5 is fully supported in FF
– clu3
Dec 17 '10 at 7:35
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