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How to pad zeroes to a string?
...ited in the parens; since only one thing is being printed, it works identically now on Py2 and Py3.
– ShadowRanger
Jan 25 '19 at 2:19
2
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Why is division in Ruby returning an integer instead of decimal value?
... Oct 24 '13 at 3:17
Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Mar 31 '11 at 16:02
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How can I default a parameter to Guid.Empty in C#?
...id() instead
public void Problem(Guid optional = new Guid())
{
// when called without parameters this will be true
var guidIsEmpty = optional == Guid.Empty;
}
You can also use default(Guid)
default(Guid) also will work exactly as new Guid().
Because Guid is a value type not reference type, ...
How to convert Set to String[]?
...'s recommended. Update the answer. "Since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version the same and sometimes even better, compared to the pre-sized version. Also passing pre-sized array is dangerous for a concurrent or synchronized collect...
Git - push current branch shortcut
...sh only pushing the current branch, but on other machines, you may accidentally push all matching branches.
– wisbucky
Sep 8 '14 at 2:05
1
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Launch custom android application from android browser
... <intent-filter> with a <data> element. For example, to handle all links to twitter.com, you'd put this inside your <activity> in your AndroidManifest.xml:
<intent-filter>
<data android:scheme="http" android:host="twitter.com"/>
<action android:name="android...
Simple and fast method to compare images for similarity
...h the previous two.
Detectors of salient points/areas - such as MSER (Maximally Stable Extremal Regions), SURF or SIFT. These are very robust algorithms and they might be too complicated for your simple task. Good thing is that you do not have to have an exact area with only one icon, these detector...
Can I position an element fixed relative to parent? [duplicate]
...
oh, hmm... I actually want to mimic a sticky button, when its positioned absolute, when I scroll down, it doesn't sticky ... hmm
– Jiew Meng
Mar 6 '11 at 10:49
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How can I check a C# variable is an empty string “” or null? [duplicate]
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@Lion Liu: Actually I think PHP has exactly as much to offer. See: php.net/manual/en/function.empty.php
– Milan
Feb 2 '16 at 20:09
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How to put a line comment for a multi-line command [duplicate]
...inside a command this way. The \s express an intent to merge lines, so for all intents and purposes you're trying to intersperse comments in a single line, which doesn't work anyway because a \ has to be at the end of the line to have that effect.
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