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Difference between fold and reduce?
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171
Fold takes an explicit initial value for the accumulator while reduce uses the first element o...
NSUserDefaults removeObjectForKey vs. setObject:nil
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14
Swift 3.0
The below answer is no longer the case when I tested this.
When set to nil the resul...
How to center a label text in WPF?
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213
use the HorizontalContentAlignment property.
Sample
<Label HorizontalContentAlignment="Ce...
Moving multiple files in TFS Source Control
I'm using Team Foundation Server 2008 (SP 1) and I need to move multiple files from one folder to another (to retain file history). In addition to Team Explorer (with SP 1) I've also got the latest TFS Power Tools (October 2008) installed (for Windows Shell integration).
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git diff file against its last change
...es exist, but it's actually a feature of git log:
git log -p [--follow] [-1] <path>
Note that -p can also be used to show the inline diff from a single commit:
git log -p -1 <commit>
Options used:
-p (also -u or --patch) is hidden deeeeeeeep in the git-log man page, and is actual...
PHP: merge two arrays while keeping keys instead of reindexing?
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You can simply 'add' the arrays:
>> $a = array(1, 2, 3);
array (
0 => 1,
1 => 2,
2 => 3,
)
>> $b = array("a" => 1, "b" => 2, "c" => 3)
array (
'a' => 1,
'b' => 2,
'c' => 3,
)
>> $a + $b
array (
0 => 1,
1 => 2,
...
Maven dependency for Servlet 3.0 API?
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10 Answers
10
Active
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How to get a vertical geom_vline to an x-axis of class date?
...I have a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line at all or the vertical line is drawn at the very first vertical grid and the whole series is shifted somewhat ...
MySQL: how to get the difference between two timestamps in seconds
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177
You could use the TIMEDIFF() and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(T...
Getting the value of an attribute in XML
How would one get the value of attribute1 (blah) in the following xml using xslt:
1 Answer
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