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How to match, but not capture, part of a regex?
...regular expression matches only apple or banana if it’s preceded by 123- and followed by -456, or it matches the empty string if it’s preceded by 123- and followed by 456.
|Lookaround | Name | What it Does |
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Using Regex to generate Strings rather than match them
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I am not sure Xeger is that good. It cannot handle character classes. It fails to recognize a simple [\w]. A look at the last line of their wiki tells us that.
– John Red
Feb 13 '17 at 12:38
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Why are there no ++ and -- operators in Python?
Why are there no ++ and -- operators in Python?
19 Answers
19
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PHP json_encode encoding numbers as strings
...o $json;
This seems to be like what you describe, if I'm not mistaken ?
And I'm getting as output :
{"id":152,"another":"test","ananother":456}
So, in this case, the integers have not been converted to string.
Still, this might be dependant of the version of PHP we are using : there have bee...
Regex to test if string begins with http:// or https://
I'm trying to set a regexp which will check the start of a string, and if it contains either http:// or https:// it should match it.
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Remove leading and trailing spaces?
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You can use the strip() to remove trailing and leading spaces.
>>> s = ' abd cde '
>>> s.strip()
'abd cde'
Note: the internal spaces are preserved
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passing 2 $index values within nested ng-repeat
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Each ng-repeat creates a child scope with the passed data, and also adds an additional $index variable in that scope.
So what you need to do is reach up to the parent scope, and use that $index.
See http://plnkr.co/edit/FvVhirpoOF8TYnIVygE6?p=preview
<li class="tutorial_title {...
How to link to a named anchor in Multimarkdown?
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In standard Markdown, place an anchor <a name="abcd"></a> where you want to link to and refer to it on the same page by [link text](#abcd).
(This uses name= and not id=, for reasons explained in this answer.)
Remote ...
What is the relationship between Looper, Handler and MessageQueue in Android?
I have checked the official Android documentation/guide for Looper , Handler and MessageQueue . But I couldn't get it. I am new to android, and got very confused with these concepts.
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Specifically, what's dangerous about casting the result of malloc?
... therefore converting the void* pointer actually returned by malloc to int and then to your pointer type due to the explicit cast. On some platforms, int and pointers may take up different numbers of bytes, so the type conversions may lead to data corruption.
Fortunately, modern compilers give warn...