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If list index exists, do X
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edited Dec 12 '16 at 0:03
Dimitris Fasarakis Hilliard
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What does the caret (‘^’) mean in C++/CLI?
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180
This is C++/CLI and the caret is the managed equivalent of a * (pointer) which in C++/CLI termin...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
...nknown = -998,
kCFURLErrorCancelled = -999,
kCFURLErrorBadURL = -1000,
kCFURLErrorTimedOut = -1001,
kCFURLErrorUnsupportedURL = -1002,
kCFURLErrorCannotFindHost = -1003,
kCFURLErrorCannotConnectToHost = -1004,
kCFURLErrorNetworkConnectionLost = -1005,
kCFURLErrorDNSLookupFa...
Bash set +x without it being printed
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10
Great answer, just a note: without a semicolon after the command this won't work; and with a semicolon but without spaces to the braces, a s...
Comparing arrays in JUnit assertions, concise built-in way?
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302
Use org.junit.Assert's method assertArrayEquals:
import org.junit.Assert;
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Assert.assertAr...
Get all Attributes from a HTML element with Javascript/jQuery
... element itself:
var el = document.getElementById("someId");
for (var i = 0, atts = el.attributes, n = atts.length, arr = []; i < n; i++){
arr.push(atts[i].nodeName);
}
Note that this fills the array only with attribute names. If you need the attribute value, you can use the nodeValue prop...
How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
...ction timeSince(date) {
var seconds = Math.floor((new Date() - date) / 1000);
var interval = seconds / 31536000;
if (interval > 1) {
return Math.floor(interval) + " years";
}
interval = seconds / 2592000;
if (interval > 1) {
return Math.floor(interval) + " months";
}
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In AngularJS, what's the difference between ng-pristine and ng-dirty?
...feature).
If you want a $scope.form.$setPristine()-ish behavior even in 1.0.x branch of AngularJS, you need to roll your own solution (some pretty good ones can be found here). Basically, this means iterating over all form fields and setting their $dirty flag to false.
Hope this helps.
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How to wait for all goroutines to finish without using time.Sleep?
...xample.
– wobmene
Jun 29 '14 at 13:50
18
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How can I create a correlation matrix in R?
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104
An example,
d &lt- data.frame(x1=rnorm(10),
x2=rnorm(10),
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