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How can I implement prepend and append with regular JavaScript?
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so prepend is basically this then function prepend(tag, ele) { var x =document.getElementsByTagName(tag)[0]; x.insertBefore(ele ,x.children[0]); }
– Muhammad Umer
Jul 8 '15 at 19:13
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In Functional Programming, what is a functor?
...e reading various articles on functional programming, but the authors typically assume the reader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incredibly vague descriptions (see the section on Functors...
ViewParam vs @ManagedProperty(value = “#{param.id}”)
...alues. Since JSF 2.2 you could use <f:viewAction> for that instead.
Allows for nested <f:converter> and <f:validator> for more fine-grained conversion/validation. Even a <h:message> can be attached.
Can be included as GET query string using includeViewParams attribute of &l...
Get current batchfile directory
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System read-only variable %CD% keeps the path of the caller of the batch, not the batch file location.
You can get the name of the batch script itself as typed by the user with %0 (e.g. scripts\mybatch.bat). Parameter extensions can be applied to this so %~dp0 will return the D...
How to resolve “You need to have Ruby and Sass installed and in your PATH for this task to work” War
I am in the process of setting up a new Mac for work. I have installed Grunt & Grunt CLI globally. Then I did a npm install inside a project folder to install all dependencies.
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Plugin execution not covered by lifecycle configuration (JBossas 7 EAR archetype)
...unpacked to the target folder. You'd not want that to be re-done "incrementally" upon saving each source file. Or maybe you do want that. Really, m2e has no idea about your specific build. You can store what m2e should do in Eclipse, POM, or possibly install a m2e connector that adds more knowledge ...
Does it make sense to do “try-finally” without “catch”?
...you want the currently executing method to still throw the exception while allowing resources to be cleaned up appropriately. Below is a concrete example of handling the exception from a calling method.
public void yourOtherMethod() {
try {
yourMethod();
} catch (YourException ex) {...
How do I set the maximum line length in PyCharm?
...hy the default value is set to 120 characters. PEP 8 clearly states: Limit all lines to a maximum of 79 characters.
– Krøllebølle
Nov 12 '14 at 8:20
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Why Collections.sort uses merge sort instead of quicksort?
...to provide a stable sort (Merge Sort)
to sort object references. (Techincally speaking, multiple sequential
stable sorts result in a lexicographic ordering on the keys in the
reverse order of the sorts: the final sort determines the most
significant subkey.)
It's a nice side benefit tha...
Lists: Count vs Count() [duplicate]
...ount property is part of the List itself (derived from ICollection). Internally though, LINQ checks if your IEnumerable implements ICollection and if it does it uses the Count property. So at the end of the day, there's no difference which one you use for a List.
To prove my point further, here's t...