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Array versus linked-list
...t, i.e. that data structure that allows duplicate elements in an arbitrary order, that’s not suitable and you would have to go great lengths to make a data structure like LinkedList a concurrently updatable thing. If you only need a concurrent queue or deque, well yes, there are even existing exam...
Objective-C parse hex string to integer
...re lenient. Write thorough unit tests (include spaces, non-hex characters, etc..) as you will find some surprising edge cases that NSScanner gives you more control over.
– Quintin Willison
Mar 30 '17 at 14:15
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PostgreSQL: Drop PostgreSQL database through command line [closed]
...2 reject
and tell pgsql to reload or restart (i.e. either sudo /etc/init.d/postgresql reload or pg_ctl reload) and now the only way to connect to your machine is via local sockets. I'm assuming you're on linux. If not this may need to be tweaked to something other than local / ident on ...
How to set OnClickListener on a RadioButton in Android?
...is to change and update the View accordingly (saves you having 2 or 3 or 4 etc listeners).
RadioGroup radioGroup = (RadioGroup) findViewById(R.id.yourRadioGroup);
radioGroup.setOnCheckedChangeListener(new OnCheckedChangeListener()
{
@Override
public void onCheck...
How do I get the full path to a Perl script that is executing?
...rking directory if the script is at or below the CWD
Additionally, cwd(), getcwd() and abs_path() are provided by the Cwd module and tell you where the script is being run from
The module FindBin provides the $Bin & $RealBin variables that usually are the path to the executing script; this modul...
'App not Installed' Error on Android
... version of my App1 (note the original App1 was at the top in Alphabetical order which was deleted as above). When clicking on the pale version it said "Not installed for this user". (I had set up my nexus to have more than one user). But in the top right corner there is a three dot button. I presse...
How can I find unused images and CSS styles in a website? [closed]
...responsive websites because you will have to reload for different sizes in order to know that one or more of these styles aren't being used. It only detects for the styles of the viewport being viewed.
– micah
Oct 26 '12 at 6:30
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How do I use JDK 7 on Mac OSX?
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Note that in order to make applications use Oracle's Java 1.7 in favor of Apple's Java 1.6, I had to run /Library/Java/JavaVirtualMachines/1.7.0.jdk and drag "Java SE 7" to the top of the list on the "General" tab. This will also make jav...
How can I erase all inline styles with javascript and leave only the styles specified in the css sty
...ps:
1: select the element you want to change by either tagname, id, class etc.
var element = document.getElementsByTagName('h2')[0];
remove the style attribute
element.removeAttribute('style');
share
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System.IO.Packaging
...ser comment. If you look at the docs for any of the actual methods/objects/etc. in the namespace, they all say "Assembly: WindowBase.dll"
– dlev
Aug 31 '11 at 16:39
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