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How to elegantly ignore some return values of a MATLAB function?
... return value from a function without having to create dummy variables for all n-1 return values before it?
8 Answers
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Preferred method to store PHP arrays (json_encode vs serialize)
...ciative array of data in a flat file for caching purposes. I might occasionally come across the need to convert it to JSON for use in my web app but the vast majority of the time I will be using the array directly in PHP.
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C++ display stack trace on exception
...re details.
On MSVC then you can use the StackWalker library that handles all of the underlying API calls needed for Windows.
You'll have to figure out the best way to integrate this functionality into your app, but the amount of code you need to write should be minimal.
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Javascript how to split newline
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or, more specifically, /\r?\n/ ... I think using | (or) would interleave empty results for CRLF line endings.
– Dusty
Oct 5 '16 at 16:39
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What's the difference between Spring Data's MongoTemplate and MongoRepository?
...goRepository but struggled with complex queries to find examples or to actually understand the Syntax.
3 Answers
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Javascript - Open a given URL in a new tab by clicking a button
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+1, if something opens a page in new tab, it is logically a link, so <a> tag is appropriate. Styles should be used to make it look like a button.
– Kos
May 9 '18 at 6:41
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
...que ID (please let me know if there are more):
Before this discussion, recall that the BSON Object ID consists of:
[4 bytes seconds since epoch, 3 bytes machine hash, 2 bytes process ID, 3 bytes counter]
Here are the three possibilities, so you judge for yourself how likely it is to get a dupe:
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Remove all special characters with RegExp
I would like a RegExp that will remove all special characters from a string. I am trying something like this but it doesn’t work in IE7, though it works in Firefox.
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How to display length of filtered ng-repeat data
... be better to apply the filter inside of your controller using the $filter service:
function MainCtrl( $scope, filterFilter ) {
// ...
$scope.filteredData = myNormalData;
$scope.$watch( 'myInputModel', function ( val ) {
$scope.filteredData = filterFilter( myNormalData, val );
});
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How can I hash a password in Java?
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You can actually use a facility built in to the Java runtime to do this. The SunJCE in Java 6 supports PBKDF2, which is a good algorithm to use for password hashing.
byte[] salt = new byte[16];
random.nextBytes(salt);
KeySpec spec = new...