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How to get an array of specific “key” in multidimensional array without looping
...ap(function ($ar) {return $ar['id'];}, $users);
Before(Technically php 4.0.6+), you must create an anonymous function with create_function instead:
$ids = array_map(create_function('$ar', 'return $ar["id"];'), $users);
s...
Is it valid to have a tag inside another tag?
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10
Yes, since a website is generally divided into one or more sections, use it as long as you feel ...
Create empty queryset by default in django form fields
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marianobianchimarianobianchi
6,38011 gold badge1717 silver badges2424 bronze badges
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$watch'ing for data changes in an Angular directive
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edited Apr 24 '15 at 10:39
answered Dec 20 '12 at 21:47
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How do I run multiple instances of Android Studio
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answered Aug 18 '13 at 19:20
Grzegorz ŻurGrzegorz Żur
38.5k1313 gold badges9696 silver badges9191 bronze badges
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Does constexpr imply inline?
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140
Yes ([dcl.constexpr], §7.1.5/2 in the C++11 standard): "constexpr functions and constexpr const...
What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
...red a primitive in Java is descendant from AnyVal in Scala. Until Scala 2.10.0, AnyVal was sealed, and programmers were unable to extend it. It should be interesting to see what will happen with Scala on .Net, since interoperability alone calls for Scala to at least recognize user-defined "primitive...
Gradient of n colors ranging from color 1 and color 2
...friend here:
colfunc <- colorRampPalette(c("black", "white"))
colfunc(10)
# [1] "#000000" "#1C1C1C" "#383838" "#555555" "#717171" "#8D8D8D" "#AAAAAA"
# [8] "#C6C6C6" "#E2E2E2" "#FFFFFF"
And just to show it works:
plot(rep(1,10),col=colfunc(10),pch=19,cex=3)
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Determine if $.ajax error is a timeout
...: "/ajax_json_echo/",
type: "GET",
dataType: "json",
timeout: 1000,
success: function(response) { alert(response); },
error: function(xmlhttprequest, textstatus, message) {
if(textstatus==="timeout") {
alert("got timeout");
} else {
alert(t...
Overwrite single file in my current branch with the same file in the master branch?
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prayagupd
25.6k1010 gold badges120120 silver badges169169 bronze badges
answered Dec 12 '12 at 19:51
Nepomuk Frädric...