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Homebrew: List only installed top level formulas
I'm looking for a way to show only the formulas I installed without the installed dependencies.
I want to have a list of all the programs I actually installed, without all noise of the dependencies.
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Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
...than the manifest. Probably this is the right way using Gradle. Gradle supports product flavours which can be controlled via an IDE and those product flavors can change many things in our Manifest like package name, version code, version name, target SDK and many other. Then by one click in Android ...
Contains case insensitive
...against dynamic patterns):
if (!/Ral/i.test(referrer)) {
// ^i = Ignore case flag for RegExp
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What is the difference between ManualResetEvent and AutoResetEvent in .NET?
I have read the documentation on this and I think I understand. An AutoResetEvent resets when the code passes through event.WaitOne() , but a ManualResetEvent does not.
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How do you programmatically set an attribute?
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setattr(x, attr, 'magic')
For help on it:
>>> help(setattr)
Help on built-in function setattr in module __builtin__:
setattr(...)
setattr(object, name, value)
Set a named attribute on an object; setattr(x, 'y', v) is equivalent to
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Use of Initializers vs Constructors in Java
...g win.
I find "if (someStaticVar == null) // do stuff" to be messy and error prone. If it is initialized statically and declared final, then you avoid the possibility of it being null.
However, I'm confused when you say:
static/instance initializers can be used to set the value of "final"
s...
php static function
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Now static calling of non-static methods works but is deprecated. Be careful using this syntax for instance methods!
– Jet
May 24 '09 at 12:52
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Why '&&' and not '&'?
... most cases, && and || are preferred over & and | because the former are short-circuited, meaning that the evaluation is canceled as soon as the result is clear.
Example:
if(CanExecute() && CanSave())
{
}
If CanExecute returns false, the complete expression will be false, r...
How to convert C# nullable int to int
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The other answers so far are all correct; I just wanted to add one more that's slightly cleaner:
v2 = v1 ?? default(int);
Any Nullable<T> is implicitly convertible to its T, PROVIDED that the entire expression being evaluated can never result in a nu...
What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
In Python, this idiom for string formatting is quite common
4 Answers
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