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How to make Git “forget” about a file that was tracked but is now in .gitignore?
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6025
.gitignore will prevent untracked files from being added (without an add -f) to the set of fil...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
.... I even found this that claims that you can see an improvement of over 2000% on dictionary-based operations.
11 Answers
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Managing CSS Explosion
...efine the specific characteristics of each of the three menus. Level 1 is 40 pixels tall; levels 2 and 3, 20 pixels.
Note: you could also use multiple classes for this but Internet Explorer 6 has problems with multiple classes, so this example uses ids.
div.navi ul.menu#level1 { height: 40px; }
di...
Can comments be used in JSON?
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Christian Neverdal
4,56544 gold badges3030 silver badges8686 bronze badges
answered Oct 28 '08 at 21:01
EliEli
84.9k2...
How does `is_base_of` work?
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109
If they are related
Let's for a moment assume that B is actually a base of D. Then for the cal...
How to delete an SMS from the inbox in Android programmatically?
...eiver" android:enabled="true">
<intent-filter android:priority="1000">
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
In your BroadcastReceiver, in onReceive() method, before performing anything with your me...
Understanding Python super() with __init__() methods [duplicate]
...on super if you haven't already.
Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of super(ChildB, self).__init__() which IMO is quite a bit nicer. The standard docs also refer to a guide to using super() which is quite explanatory.
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Polymorphism in C++
...2; }
Virtual dispatch:
struct Base { virtual Base& operator+=(int) = 0; };
struct X : Base
{
X(int n) : n_(n) { }
X& operator+=(int n) { n_ += n; return *this; }
int n_;
};
struct Y : Base
{
Y(double n) : n_(n) { }
Y& operator+=(int n) { n_ += n; return *this; }
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