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How to force garbage collector to run?
...seem more useful to have generations stay put unless enough stuff has been allocated in one to justify advancing it.
– supercat
Nov 23 '10 at 15:42
2
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CHECK constraint in MySQL is not working
... be implemented in MySQL.
See this bug report: https://bugs.mysql.com/bug.php?id=3464
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Setting an image for a UIButton in code
...rolEventTouchUpInside];
UIBarButtonItem *jobsButton =
[[UIBarButtonItem alloc] initWithCustomView:listButton];
self.navigationItem.leftBarButtonItem = jobsButton;
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When should I use the HashSet type?
... HashSet<string> of all the valid commands, so whenever I hit a @xxx token in the lexer, I use validCommands.Contains(tokenText) as my O(1) validity check. I really don't care about anything except existence of the command in the set of valid commands. Lets look at the alternatives I faced:
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Java integer to byte array
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using Java NIO's ByteBuffer is very simple:
byte[] bytes = ByteBuffer.allocate(4).putInt(1695609641).array();
for (byte b : bytes) {
System.out.format("0x%x ", b);
}
output:
0x65 0x10 0xf3 0x29
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Why use iterators instead of array indices?
... end+1(!). For streams the iterator model is just surreal -- an imaginary token that does not exist. Likewise for linked lists. The paradigm only makes sense for arrays, and then not much. Why do I need two iterator object, not just one...
– Tuntable
Jan 21...
How to tell if a tag failed to load
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@Rudey Uncaught SyntaxError: Unexpected token '<' (in latest Chrome)
– daleyjem
Feb 29 at 5:25
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send Content-Type: application/json post with node.js
...{
headers: {
'Authorization': 'AccessKey ' + token,
'Content-Type' : 'application/json'
},
uri: 'https://myurl.com/param' + value',
method: 'POST',
json: {'key':'value'}
};
request(options, funct...
What's the _ underscore representative of in Swift References?
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The underscore is a general token used to indicate a discarded value.
In this specific case, it means that the function will be invoked as runAction(argument) instead of runAction(action:argument)
In other contexts it has other similar meaning, e.g. i...
What's the use/meaning of the @ character in variable names in C#?
...e. I believe this may be because of the familiarity of this requirement in PHP software for variables. And a lot of Open Source web systems are now coded in C# (where in the past it would have been PHP)
– Wasted_Coder
Mar 5 '16 at 19:36
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