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Why can't I overload constructors in PHP?
... the object is constructed, and, as a group, optional parameters listed in order of importance.
It works.
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Creating default object from empty value in PHP?
...success = false; // Warning: Attempt to assign property of non-object
In order to comply with E_STRICT standards prior to PHP 5.4, or the normal E_WARNING error level in PHP >= 5.4, assuming you are trying to create a generic object and assign the property success, you need to declare $res as a...
How to upgrade all Python packages with pip?
... for linux: $ pip freeze | cut -d '=' -f1> requirements.txt in order to remove the version
– Cavaz
Jan 14 '18 at 18:22
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Function Pointers in Java
...t methodCaller(Object theObject, String methodName) {
return theObject.getClass().getMethod(methodName).invoke(theObject);
// Catch the exceptions
}
And then use it as in:
String theDescription = methodCaller(object1, "toString");
Class theClass = methodCaller(object2, "getClass");
Of cou...
SyntaxError: Use of const in strict mode
... followed this step and the one changing the softlink /usr/bin/node from /etc/alternatives/node to /usr/local/n/versions/node/8.0.0/bin/node and everything just worked. Thank you for this!
– Brian Layman
Jun 2 '17 at 19:28
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Save ArrayList to SharedPreferences
... As a reminder to those coming across this answer: a Set is unordered, so saving a StringSet will lose the order you had with your ArrayList.
– David Liu
Sep 26 '18 at 19:15
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Git pull from another repository
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In order to pull a particular branch from different repo you can use the below git command.
git pull <git_url> <branch> --allow-unrelated-histories
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How do I do a Date comparison in Javascript? [duplicate]
... milliseconds so you just divide by 1000 for seconds, then 60 for minutes, etc.
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How can I implode an array while skipping empty array items?
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To remove null, false, empty string but preserve 0, etc. use func. 'strlen'
$arr = [null, false, "", 0, "0", "1", "2", "false"];
print_r(array_filter($arr, 'strlen'));
will output:
//Array ( [3] => 0 [4] => 0 [5] => 1 [6] => 2 [7] => false )
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If isset $_POST
...d the ! operator in cases like this (easier to read, less chance of error, etc.) and reverse the logic... if (empty()) {/* No */} else {/* Yes */}
– MrWhite
Aug 1 '14 at 10:58
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