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How to check whether an array is empty using PHP?
... Done. I also changed it for the fact that you don't have to use isset and stuff.
– Tyler Carter
Feb 7 '10 at 6:35
5
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How to len(generator()) [duplicate]
...'t collections after all.
Generators are functions with a internal state (and fancy syntax). You can repeatedly call them to get a sequence of values, so you can use them in loop. But they don't contain any elements, so asking for the length of a generator is like asking for the length of a functio...
Explanation of the UML arrows
I have recently been studying UML and drawing simple diagrams with ordinary plain arrows between classes, but I know it's not enough. There are plenty of other arrows: generalization, realisation and etc. which have meaning to the diagram reader.
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animating addClass/removeClass with jQuery
I am using jQuery and jQuery-ui and want to animate various attributes on various objects.
6 Answers
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Is it better to reuse a StringBuilder in a loop?
...e of StringBuilder.
In a very long loop I'm manipulating a StringBuilder and passing it to another method like this:
14 A...
Good MapReduce examples [closed]
...data efficiently.
For example, if we have 1 million records in a dataset, and it is stored in a relational representation - it is very expensive to derive values and perform any sort of transformations on these.
For Example In SQL, Given the Date of Birth, to find out How many people are of age &...
Hibernate Criteria returns children multiple times with FetchType.EAGER
I have an Order class that has a list of OrderTransactions and I mapped it with a one-to-many Hibernate mapping like so:
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How to terminate the script in JavaScript?
... function (e) {e.preventDefault();e.stopPropagation();}, false);
var handlers = [
'copy', 'cut', 'paste',
'beforeunload', 'blur', 'change', 'click', 'contextmenu', 'dblclick', 'focus', 'keydown', 'keypress', 'keyup', 'mousedown', 'mousemove', 'mouseout', 'mouseover', 'mouseup', ...
How to disable XDebug
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Find your php.ini and look for XDebug.
Set xdebug autostart to false
xdebug.remote_autostart=0
xdebug.remote_enable=0
Disable your profiler
xdebug.profiler_enable=0
Note that there can be a performance loss even with xdebug disabled b...
How can I add a table of contents to a Jupyter / JupyterLab notebook?
...n nbextensions extension, which bundles a whole lot of extensions together and allows you to manage them via jupyter itself. I think it's now the easiest way to get ToC2. And it provides other relevant extensions such as section folding. It's at github.com/ipython-contrib/jupyter_contrib_nbextension...