大约有 19,000 项符合查询结果（耗时：0.0362秒） [XML]
Invalid argument supplied for foreach()
...s to be the most clean - not sure if it's the most efficient, mind!
if (is_array($values) || is_object($values))
{
foreach ($values as $value)
{
...
}
}
The reason for my preference is it doesn't allocate an empty array when you've got nothing to begin with anyway.
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Swift - encode URL
... it will encode some characters that do not need to be encoded (like -, ., _ or ~ -– see 2.3. Unreserved characters in RFC 3986). I find using .alphanumerics simpler than constructing a custom character set and do not mind some additional characters to be encoded. If that bothers you, construct a ...
PHP array delete by value (not key)
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Using array_search() and unset, try the following:
if (($key = array_search($del_val, $messages)) !== false) {
unset($messages[$key]);
}
array_search() returns the key of the element it finds, which can be used to remove that ele...
String comparison using '==' vs. 'strcmp()'
...tring2 sorts before string1 or 0 if they are the same. For example $string_first = "aabo"; $string_second = "aaao"; echo $n = strcmp($string_first,$string_second); will return greater than zero, as aaao is sorting before aabo.
– HTML Man
Aug 16 '13 at 18:00
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How to print out more than 20 items (documents) in MongoDB's shell?
...h(function(f){print(tojson(f, '', true));});
which would return only the _id and name field from foo.
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Running JAR file on Windows
...ield, needs to display something similar to C:\Program Files\Java\j2re1.4.2_04\bin\javaw.exe" -jar "%1" % (Note: the part starting with 'javaw' must be exactly like that; the other part of the path name can vary depending on which version of Java you're using) then press the OK buttons until all the...
How to commit my current changes to a different branch in Git [duplicate]
...me, perhaps by putting your current branch name in your prompt by adding $(__git_ps1) to your PS1 environment variable in your bashrc file. (See for example the Git in Bash documentation.)
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Convert Array to Object
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@eugene_sunic indeed, but that approach was not available when I answered this in 2010 :)
– Pointy
Jul 14 '18 at 15:22
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Finding the Eclipse Version Number
... just tried this, the .eclipseproduct contained 3.6.1 but the readme/readme_eclipse.html contained 3.6.2. Turns out that 3.6.2 is the correct version so just be wary.
– Dave Griffiths
Oct 29 '13 at 16:14
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Named placeholders in string formatting
...make one single pass through the format string.
– 200_success
May 15 '18 at 14:24
@200_success Yes good point talking ...