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Chrome Developer Tools: How to find out what is overriding a CSS rule?
... ones with the same name which aren't striked out, remember the listing is by importance.
Or you can view the computed styles. They will be the actually applied styles.
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Calling a base class's classmethod in Python
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this only works (due to a limitation imposed by super) if the base derives from object, right? what do you do if that's not the case?
– ars-longa-vita-brevis
Jun 11 '14 at 19:06
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Repeat a task with a time delay?
...e able to update UI controls.
private int mInterval = 5000; // 5 seconds by default, can be changed later
private Handler mHandler;
@Override
protected void onCreate(Bundle bundle) {
// your code here
mHandler = new Handler();
startRepeatingTask();
}
@Override
public void onDestroy...
horizontal line and right way to code it in html, css
...
If you really want a thematic break, by all means use the <hr> tag.
If you just want a design line, you could use something like the css class
.hline-bottom {
padding-bottom: 10px;
border-bottom: 2px solid #000; /* whichever color you prefer */...
Error on pod install
...d the official answer is:
This is issue which has already been
fixed by @irrationalfab with commit CocoaPods/CLAide@5e023ab.
So the fix should be available in the next release of CocoaPods. Just be patient
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Should I Stop Stopwatch at the end of the method?
...le). It actually does not use any resources at all (except the memory used by the object itself, of course)! It also does not consume any CPU while measuring the elapsed time!
In windows implementations of .NET (full .NET Framework, Mono, .NET Core), it just calls the QueryPerformanceCounter() Wind...
Unique fields that allow nulls in Django
...ules.
You can force the admin interface to store NULL for an empty string by providing your own customized model form for Foo with a clean_bar method that turns the empty string into None:
class FooForm(forms.ModelForm):
class Meta:
model = Foo
def clean_bar(self):
return s...
Do Facebook Oauth 2.0 Access Tokens Expire?
...lication to perform authorized requests on behalf of the user at any time. By default, most access tokens expire after a short time period to ensure applications only make requests on behalf of the user when the are actively using the application. This permission makes the access token returned by o...
multiple tags
...making them distinguishable for people using screen readers. You can do it by labelling each <nav> using aria-label.
<nav aria-label=’primary’>
<ul>
...List on links here...
</ul>
</nav>
<nav aria-label=’secondary’>
<ul>
...List on lin...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
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I fixed this issue by correcting my jdbc string.
For example, the correct jdbc string should be...
jdbc:oracle:thin:@myserver:1521/XE
But the jdbs string I was using is ...
jdbc:oracle:thin:@myserver:1521:XE
(Note: between 1521 and XE ...