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Remove redundant paths from $PATH variable
...in:/usr/bin:/sbin:/bin:/usr/games
that would be for the current session, if you want to change permanently add it to any .bashrc, bash.bashrc, /etc/profile - whatever fits your system and user needs.
Note: This is for Linux. We'll make this clear for new coders. (` , ') Don't try to SET = these.
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Stopping scripters from slamming your website
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How about implementing something like SO does with the CAPTCHAs?
If you're using the site normally, you'll probably never see one. If you happen to reload the same page too often, post successive comments too quickly, or something else that triggers an alarm, make them prove they're human....
Scale Image to fill ImageView width and keep aspect ratio
...up/down-scale as needed keeping aspect ratio.
scaleType="centerInside"
if the intrinsic width of src is smaller than parent widthwill center the image horizontally
if the intrinsic width of src is larger than parent widthwill make it as wide as the parent allows and down-scale keeping aspect ra...
java.lang.IllegalStateException: The specified child already has a parent
...override OnCreateView in your RouteSearchFragment class, do you have the
if(view != null) {
return view;
}
code segment?
If so, removing the return statement should solve your problem.
You can keep the code and return the view if you don't want to regenerate view data, and onDestroyView()...
Commenting in a Bash script inside a multiline command
...f `#Another chance for a comment` \
xyz, etc.
And for pipelines specifically, there is a clean solution with no overhead:
echo abc | # Normal comment OK here
tr a-z A-Z | # Another normal comment OK here
sort | # The pipelines are automatically continued
uniq ...
How to check if a table contains an element in Lua?
Is there a method for checking if a table contains a value ? I have my own (naive) function, but I was wondering if something "official" exists for that ? Or something more efficient...
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
...no new scope at all
I don't use this very often, but as @MarkRajcok said, if the directive doesn't access any scope variables (and obviously doesn't set any!) then this is just fine as far as I am concerned. This is also helpful for child directives that are only used in the context of the parent d...
Check a collection size with JSTL
...
<c:if test="${companies.size() > 0}">
</c:if>
This syntax works only in EL 2.2 or newer (Servlet 3.0 / JSP 2.2 or newer). If you're facing a XML parsing error because you're using JSPX or Facelets instead of JSP, t...
Insert code into the page context using a content script
...inject the code that wants to access them into the page itself. Same thing if you want to expose your functions/variables to the page context (in your case it's the state() method).
Note in case chrome API is needed:
Since chrome.* APIs can't be used in the exposed page script directly, you have to ...
Run javascript function when user finishes typing instead of on key up?
......
//setup before functions
var typingTimer; //timer identifier
var doneTypingInterval = 5000; //time in ms, 5 second for example
var $input = $('#myInput');
//on keyup, start the countdown
$input.on('keyup', function () {
clearTimeout(typingTimer);
typingTimer = setTimeout(do...