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Is there a shortcut to make a block comment in Xcode?
...st other IDEs, there are separate keyboard shortcuts for line comments and block comments ( /**/ ). However, I don't see that in Xcode - in fact, I don't even see a menu option to add a block comment. Is it simply not supported in Xcode? That would certainly seem to be a lame decision if so.
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Convert JavaScript String to be all lower case?
...triNg".toLowerCase()
Here's the function that behaves exactly the same as PHP's one (for those who are porting PHP code into js)
function strToLower (str) {
return String(str).toLowerCase();
}
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MySQL Server has gone away when importing large sql file
I tried to import a large sql file through phpMyAdmin...But it kept showing error
19 Answers
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Can regular expressions be used to match nested patterns? [duplicate]
...ursive "regular expressions". E.g. see the chapter "Recursive patterns" in php.net/manual/en/regexp.reference.php
– daremon
Sep 25 '08 at 15:26
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Is element block level or inline level?
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It's true, they are both - or more precisely, they are "inline block" elements. This means that they flow inline like text, but also have a width and height like block elements.
In CSS, you can set an element to display: inline-block to make it replicate the behaviour of images*.
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Precedence and bitmask operations
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Seems to me that PHP has strnage operator precedence overall.
– Alvin Wong
Feb 24 '14 at 10:11
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Concurrent vs serial queues in GCD
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A simple example: you have a block that takes a minute to execute. You add it to a queue from the main thread. Let's look at the four cases.
async - concurrent: the code runs on a background thread. Control returns immediately to the main thread (and U...
Get first n characters of a string
How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed?
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End of support for python 2.7?
...exec): cvedetails.com/product/18230/Python-Python.html?vendor_id=10210 vs php with 408 (27% code exec): cvedetails.com/product/128/PHP-PHP.html?vendor_id=74 or Java with 438 (3% code exec): cvedetails.com/product/19117/Oracle-JRE.html?vendor_id=93 ... So by "its fair share" you must have meant a "...
When to use enumerateObjectsUsingBlock vs. for
... in ...) is quite convenient and syntactically brief, enumerateObjectsUsingBlock: has a number of features that may or may not prove interesting:
enumerateObjectsUsingBlock: will be as fast or faster than fast enumeration (for(... in ...) uses the NSFastEnumeration support to implement enumeration...