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How to delete or add column in SQLITE?
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360
ALTER TABLE SQLite
SQLite supports a limited subset of ALTER TABLE. The ALTER TABLE command ...
How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...eter1 = 12;
float parameter2 = 144.1;
// Delay execution of my block for 10 seconds.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
NSLog(@"parameter1: %d parameter2: %f", parameter1, parameter2);
});
More: https://developer.apple.com/documen...
Accessing inactive union member and undefined behavior?
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+100
The confusion is that C explicitly permits type-punning through a union, whereas C++ (c++11) has no such permission.
c11
6.5...
node.js hash string?
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230
Take a look at crypto.createHash(algorithm)
var filename = process.argv[2];
var crypto = requir...
How to get the last value of an ArrayList
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20 Answers
20
Active
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How do you create a Swift Date object?
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10 Answers
10
Active
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MySQL show status - active or total connections?
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420
According to the docs, it means the total number throughout history:
Connections
The number of ...
td widths, not working?
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It should be:
<td width="200">
or
<td style="width: 200px">
Note that if your cell contains some content that doesn't fit into the 200px (like somelongwordwithoutanyspaces), the cell will stretch nevertheless, unless your CSS contains ta...
WKWebView not loading local files under iOS 8
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108
They finally solved the bug! Now we can use -[WKWebView loadFileURL:allowingReadAccessToURL:]. ...
Finding Key associated with max Value in a Java Map
... (maxEntry == null || entry.getValue().compareTo(maxEntry.getValue()) > 0)
{
maxEntry = entry;
}
}
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