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How do I convert an enum to a list in C#? [duplicate]
...ction. It's 1000x slower (no exaggeration) than a string -> enum lookup table.
– Nic Foster
Feb 23 '18 at 23:21
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urlencode vs rawurlencode?
... string before return.
Grand Summary
Both use the same hexchars lookup table
URIEncode doesn't terminate a string with \0, raw does.
If you're working in EBCDIC I'd suggest using RawUrlEncode, as it manages the ~ that UrlEncode does not (this is a reported issue). It's worth noting that ASCII an...
Can you nest html forms?
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Just to point the browser-support table: caniuse.com/#feat=form-attribute Resuming - it works everywhere(Chrome, Firefox, Opera, Egde, Safari, Android browser...) except IE (including latest by now v11).
– dmikam
Jul 27...
Immutable vs Unmodifiable collection
...odifiable collection, you can't rely on the contents not changing.
An immutable collection guarantees that nothing can change the collection any more. If it wraps a modifiable collection, it makes sure that no other code has access to that modifiable collection. Note that although no code can chang...
Swift native base class or NSObject
...r by using the '@objc' decoration. Otherwise it will follow a static- and vtable-dispatch style, like C++.
6 Answers
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How can I use NSError in my iPhone App?
... // init dictionary to be used to populate error object
NSMutableDictionary* details = [NSMutableDictionary dictionary];
[details setValue:@"ran out of money" forKey:NSLocalizedDescriptionKey];
// populate the error object with the details
*error = [NSError err...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...en WMIC Path Win32_LocalTime Get Day,Hour,Minute,Month,Second,Year /Format:table. Likewise, to get 20120623-1619 in my local Amsterdam time zone, in one line: for /f %%a in ('wmic os get LocalDateTime ^| findstr ^[0-9]') do (set ts=%%a) & set datetime=%ts:~0,8%-%ts:~8,4%
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Request is not available in this context
...ot leave the fields null. (In my case, don't write a record to one logging table, but it would help if there were a good way to determine whether or not is available.)
– Zarepheth
Sep 11 '14 at 21:47
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What's invokedynamic and how do I use it?
...swered Jul 10 '11 at 4:59
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Why does sun.misc.Unsafe exist, and how can it be used in the real world?
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VM "intrinsification." ie CAS (Compare-And-Swap) used in Lock-Free Hash Tables
eg:sun.misc.Unsafe.compareAndSwapInt
it can make real JNI calls into native code that contains special instructions for CAS
read more about CAS here http://en.wikipedia.org/wiki/Compare-and-swap
The sun.misc.Unsafe fu...