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Android preferences onclick event
...renceTreeClick: preference == mButtonDataRoam.");
//normally called on the toggle click
if (mButtonDataRoam.isChecked()) {
// First confirm with a warning dialog about charges
mOkClicked = false;
new AlertDialog.Builder(th...
Can I set a breakpoint on 'memory access' in GDB?
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What you're looking for is called a watchpoint.
Usage
(gdb) watch foo: watch the value of variable foo
(gdb) watch *(int*)0x12345678: watch the value pointed by an address, casted to whatever type you want
(gdb) watch a*b + c/d: watch an arbitrari...
Running a specific test case in Django when your app has a tests directory
...mes along, here was what I dug up. The DjangoTestSuiteRuner uses a method called build_test(label) that figures out what test cases to run based on the label. Looking into this method it turns out they're doing a getattr() on either the "models" or "test" module. This means if you return a suite ...
Bash, no-arguments warning, and case decisions
... You mean the errors coming out of a particular program you're calling? You can put > /dev/null and/or 2> /dev/null after that to send its standard output and/or standard error streams into oblivion.
– Thomas
Mar 11 '10 at 20:14
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What are the GCC default include directories?
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There is a command with a shorter output, which allows to automatically cut the include pathes from lines, starting with a single space:
$ echo | gcc -Wp,-v -x c++ - -fsyntax-only
ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.8.2/include-fixed"
ignoring nonexistent dir...
ASP.NET Identity DbContext confusion
A default MVC 5 App comes with this piece of code in IdentityModels.cs - this piece of code is for all the ASP.NET Identity operations for the default templates:
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Returning JSON from PHP to JavaScript?
I have a PHP script that's being called through jQuery AJAX. I want the PHP script to return the data in JSON format to the javascript. Here's the pseudo code in the PHP script:
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Why does Git tell me “No such remote 'origin'” when I try to push to origin?
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By visiting the URL, I see that you've now created a repo called WindowsPhoneExample on your GitHub account, VijayMobileApp. All you need to do now is run git remote add origin https://github.com/VijayMobileApp/WindowsPhoneExample. Then you should be able to push with git push -u or...
How to center canvas in html5
...0;
margin-left: auto;
margin-right: auto;
display: block;
width: 800px;
}
Edit
Since this answer is quite popular, let me add a little bit more details.
The above properties will horizontally center the canvas, div or whatever other node you have relative to it's parent. There ...
What's wrong with using == to compare floats in Java?
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the correct way to test floats for 'equality' is:
if(Math.abs(sectionID - currentSectionID) < epsilon)
where epsilon is a very small number like 0.00000001, depending on the desired precision.
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