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How to enumerate an enum with String type?
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Swift 4.2+
Starting with Swift 4.2 (with Xcode 10), just add protocol conformance to CaseIterable to benefit from allCases. To add this protocol conformance, you simply need to write somewhere:
extension Suit: CaseIterable {}
If the enum is your own, you may specify the c...
ASP.NET MVC Razor Concatenation
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208
You should wrap the inner part of the call with ( ):
<li id="item_@(item.TheItemId)">
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How to check if a file exists in Documents folder?
...rchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0];
NSString* foofile = [documentsPath stringByAppendingPathComponent:@"foo.html"];
BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:foofile];
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How to run cron once, daily at 10pm
...2 I guess. Try the following to run it every first minute of the hour 22:
0 22 * * * ....
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Is there any way to ignore INSTALL_FAILED_VERSION_DOWNGRADE on application install with the Android
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290
It appears the latest version of adb tools has an "allow downgrade flag" that isn't shown in the...
How to atomically delete keys matching a pattern using Redis
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Starting with redis 2.6.0, you can run lua scripts, which execute atomically. I have never written one, but I think it would look something like this
EVAL "return redis.call('del', unpack(redis.call('keys', ARGV[1])))" 0 prefix:[YOUR_PREFIX e.g del...
How to get first N elements of a list in C#?
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answered Nov 26 '08 at 7:28
Matt HamiltonMatt Hamilton
183k5959 gold badges376376 silver badges317317 bronze badges
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XMLHttpRequest status 0 (responseText is empty)
Cannot get data with XMLHttpRequest (status 0 and responseText is empty):
19 Answers
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Why does Python code run faster in a function?
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540
You might ask why it is faster to store local variables than globals. This is a CPython implemen...
Get String in YYYYMMDD format from JS date object?
... this.getDate();
return [this.getFullYear(),
(mm>9 ? '' : '0') + mm,
(dd>9 ? '' : '0') + dd
].join('');
};
var date = new Date();
date.yyyymmdd();
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