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Importance of varchar length in MySQL table
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Anytime your select query uses a temporary table (group and order by operations, among other things) it will convert varchar(200) to a char(200) and performance will suffer.
– Jamie
Feb 7 '13 at 20:1...
Accessing outside variable using anonymous function as params
... same no matter what function is executing.
Code:
$result = '';
fetch("SELECT title FROM tbl", function($r) use (&$result) {
$result .= $r['title'];
});
But beware (taken from one of comments in previous link):
use() parameters are early binding - they use the variable's value at
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Neo4j - Cypher vs Gremlin query language
...tp://docs.sqlalchemy.org/en/rel_0_7/core/tutorial.html#intro-to-generative-selects to know what I mean.)
This seems to be a bit more tricky with Cypher.
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Finding JavaScript memory leaks with Chrome
...and the element you will see that is referenced by a "cache" function.
Select the row and in your console type $0, you will see the actual function and location:
>$0
function cache( key, value ) {
// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)...
How to disable Google Chrome auto update?
...c OS.
Go to Applications Folder in Finder.
Right click Google Chrome and select Show Package Contents.
Go to Contents directory.
Open Info.plist file with XCode or other text editor.
Change the value of the key: KSUpdateURL to an invalid URL.
something like
https://tools.google.com/service/inva...
Asp.net 4.0 has not been registered
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@teapeng where in my case I selected ASP.NET 4.6
– bvj
Aug 29 '16 at 20:15
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Renaming a virtualenv folder without breaking it
...ate_this.py instead of using the
location of the Python interpreter to
select the environment.
Note: you must run this after you've
installed any packages into the
environment. If you make an
environment relocatable, then install
a new package, you must run virtualenv
--relocatabl...
Giving UIView rounded corners
...ayer];
[maskLayer release];
}
The cool part about it is that you can select which corners you want rounded up.
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How do I convert from stringstream to string in C++?
...str();
}
if you want the character type of your string could be run-time selectable, you should also make it a template variable.
template <class CharType, class NumType>
std::basic_string<CharType> YourClass::NumericToString(const NumType & NumericValue)
{
std::basic_ostrings...
Set value of hidden field in a form using jQuery's “.val()” doesn't work
...ontribute to any problems you're having, and specifying a more complicated selector just slows things down and doesn't look as neat.
Example at http://jsbin.com/elovo/edit, using your example code at http://jsbin.com/elovo/2/edit
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