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Can you make just part of a regex case-insensitive?

...ase-insensitive by using the (?i:) pattern modifier. Modern regex flavors allow you to apply modifiers to only part of the regular expression. If you insert the modifier (?ism) in the middle of the regex, the modifier only applies to the part of the regex to the right of the modifier. You can turn ...
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Differences between git pull origin master & git pull origin/master

... checked-out branch. git pull origin/master will pull changes from the locally stored branch origin/master and merge that to the local checked-out branch. The origin/master branch is essentially a "cached copy" of what was last pulled from origin, which is why it's called a remote branch in git par...
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How can I sort arrays and data in PHP?

...ue is lower and a value higher than 0 if the first value is higher. That's all that's needed: function cmp(array $a, array $b) { if ($a['foo'] < $b['foo']) { return -1; } else if ($a['foo'] > $b['foo']) { return 1; } else { return 0; } } Often, you will...
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HTTP header line break style

...0)> HTTP/1.1 defines the sequence CR LF as the end-of-line marker for all protocol elements except the entity-body RFC2616 was technically obsoleted by RFC7230, but it makes no drastic changes and again calls out CRLF as the delimiter in section 3, and that RFC references RFC5234, Appendix B....
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Why is Git better than Subversion?

...urceSafe , I just love Subversion. Combined with TortoiseSVN , I can't really imagine how it could be any better. 30 An...
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Append a NumPy array to a NumPy array

... Well, the error message says it all: NumPy arrays do not have an append() method. There's a free function numpy.append() however: numpy.append(M, a) This will create a new array instead of mutating M in place. Note that using numpy.append() involves c...
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Inline elements shifting when made bold on hover

...HughHughTeotl Use font-size:0 for UL or a::after, in other words — reset all padding/marging/line-heights/font-sizes etc. – 350D Mar 25 '15 at 20:10 ...
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How to mark-up phone numbers?

I want to mark up a phone number as callable link in an HTML document. I have read the microformats approach , and I know, that the tel: scheme would be standard, but is quite literally nowhere implemented. ...
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PostgreSQL: Difference between text and varchar (character varying)

... There is no difference, under the hood it's all varlena (variable length array). Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/ A couple of highlights: To sum it all up: char(n) – takes t...
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How to delete an element from an array in C#

... If you want to remove all instances of 4 without needing to know the index: LINQ: (.NET Framework 3.5) int[] numbers = { 1, 3, 4, 9, 2 }; int numToRemove = 4; numbers = numbers.Where(val => val != numToRemove).ToArray(); Non-LINQ: (.NET Fra...