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How to use git bisect?
...les saying that git bisect is awesome. However, I'm not a native speaker and I can't understand why it's awesome.
6 Answe...
getViewTypeCount and getItemViewType methods of ArrayAdapter
Can somebody in plain words explain me the usage of getViewTypeCount() and getItemViewType() methods of ArrayAdapter ?
...
Simple logical operators in Bash
I have a couple of variables and I want to check the following condition (written out in words, then my failed attempt at bash scripting):
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Jenkins Git Plugin: How to build specific tag?
... git plugin to just build that tag. This has been taking 3 hours of my day and I have conceded defeat to the masters at stack overflow.
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“static const” vs “#define” vs “enum”
...
It depends on what you need the value for. You (and everyone else so far) omitted the third alternative:
static const int var = 5;
#define var 5
enum { var = 5 };
Ignoring issues about the choice of name, then:
If you need to pass a pointer around, you must use (1).
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How to convert all tables from MyISAM into InnoDB?
...N_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'your_database_name'
AND ENGINE = 'MyISAM'";
$rs = mysql_query($sql);
while($row = mysql_fetch_array($rs))
{
$tbl = $row[0];
$sql = "ALTER TABLE `$tbl` ENGINE=INNODB";
mysql_query($sql);
}
?>
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Convert a bitmap into a byte array
...o convert a Windows Bitmap to a byte[] than saving to a temporary file and reading the result using a FileStream ?
10 ...
Performance of foreach, array_map with lambda and array_map with static function
...2 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version.
function lap($func) {
$t0 = microtime(1);
$numbers = range(0, 1000000);
$ret = $func($numbers);
$t1 = microtime(1);
return array($t1 - $t0, $ret);
}
function useForeach($numbers) {...
Comprehensive beginner's virtualenv tutorial? [closed]
I've been hearing the buzz about virtualenv lately, and I'm interested. But all I've heard is a smattering of praise, and don't have a clear understanding of what it is or how to use it.
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What is the purpose and use of **kwargs?
...x when calling functions by constructing a dictionary of keyword arguments and passing it to your function:
>>> kwargs = {'first_name': 'Bobby', 'last_name': 'Smith'}
>>> print_keyword_args(**kwargs)
first_name = Bobby
last_name = Smith
The Python Tutorial contains a good explan...