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$_POST vs. $_SERVER['REQUEST_m>ME m>THOD'] == 'POST'
Som>me m> guy called one of my Snipplr submissions "crap" because I used if ($_SERVER['REQUEST_m>ME m>THOD'] == 'POST') instead of if ($_POST)
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How to select the first elem>me m>nt with a specific attribute using XPath
...e:
(/bookstore/book[@location='US'])[1]
This will first get the book elem>me m>nts with the location attribute equal to 'US'. Then it will select the first node from that set. Note the use of parentheses, which are required by som>me m> implem>me m>ntations.
Note, this is not the sam>me m> as /bookstore/book[1][@l...
A dependent property in a ReferentialConstraint is mapped to a store-generated column
...n relation between your tables? different columns and one was set as autonum>me m>ric.
It happened to m>me m>.
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To ternary or not to ternary? [closed]
...nary operator: () ? : ; I do realize that it has its place, but I have com>me m> across many programm>me m>rs that are completely against ever using it, and som>me m> that use it too often.
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DateTim>me m>Picker: pick both date and tim>me m>
Is it possible to use DateTim>me m>Picker (Winforms) to pick both date and tim>me m> (in the dropdown)? How do you change the custom display of the picked value? Also, is it possible to enable the user to type the date/tim>me m> manually?
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Git - push current branch shortcut
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According to git push docum>me m>ntation:
git push origin HEAD
A handy way to push the current branch to the sam>me m> nam>me m> on the remote.
So I think what you need is git push origin HEAD. Also it can be useful git push -u origin HEAD to set upstream tra...
Implications of foldr vs. foldl (or foldl')
...er terminates. (Note: repeat False creates an infinite list where every elem>me m>nt is False.)
On the other hand, foldl' is tail recursive and strict. If you know that you'll have to traverse the whole list no matter what (e.g., summing the numbers in a list), then foldl' is more space- (and probably t...
0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
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@ratchetfreak ... or not... depends if the language implem>me m>nts IEEE 754, in which platform it is run...
– woliveirajr
Oct 10 '13 at 12:29
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Xcode debugging - displaying images
...o use spacebar to Quick Look!
Quick Look in the debugger can also be implem>me m>nted for your own classes:
Enabling Quick Look for Custom Types
The variables Quick Look feature in the Xcode debugger allows you to obtain a quick visual assessm>me m>nt of the state of an object variable through a graphical r...
if/else in a list comprehension
...if after the for…in is part of list comprehensions and used to filter elem>me m>nts from the source iterable.
Conditional expressions can be used in all kinds of situations where you want to choose between two expression values based on som>me m> condition. This does the sam>me m> as the ternary operator ?: t...