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Toggle Checkboxes on/off

... You can write: $(document).ready(function() { $("#select-all-teammembers").click(function() { var checkBoxes = $("input[name=recipients\\[\\]]"); checkBoxes.prop("checked", !checkBoxes.prop("checked")); }); }); Before jQuery 1.6, when we only ...
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Download JSON object as a file from browser

...or without explicit clicking since I want to trigger the download automatically at some point from js. JS solution (no HTML required): function downloadObjectAsJson(exportObj, exportName){ var dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(exportObj)); var ...
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Binding a Button's visibility to a bool value in ViewModel

...converter: <ValueConversion(GetType(Boolean), GetType(Visibility))> _ Public Class BoolToVisibilityConverter Implements IValueConverter Public Function Convert(ByVal value As Object, ByVal targetType As System.Type, ByVal parameter As Object, ByVal culture As System.Globalization.Cul...
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Initialize a nested struct

... @GauravOjha not all the way, but something like play.golang.org/p/n24BD3NlIR – OneOfOne Jan 30 '17 at 15:07 ...
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Get record counts for all tables in MySQL database

Is there a way to get the count of rows in all tables in a MySQL database without running a SELECT count() on each table? ...
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ManyRelatedManager object is not iterable

... Try matches = [val for val in Store.attribute_answers.all() if val in WishList.attribute_answers.all()] Notice the parenthesis at the end of WishList.attribute_answers.all(). Adding the parenthesis invokes the all function to return an iterable. If you include the parenthesi...
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matplotlib does not show my drawings although I call pyplot.show()

Help required on matplotlib. Yes, I did not forget calling the pyplot.show(). 14 Answers ...
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Regular Expression to match only alphabetic characters

...z]+$/ to match an input string of ASCII alphabets. [A-Za-z] will match all the alphabets (both lowercase and uppercase). ^ and $ will make sure that nothing but these alphabets will be matched. Code: preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m); var_dump($m); Output: array(0) { } Test cas...
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How do I read all classes from a Java package in the classpath?

... If you have Spring in you classpath then the following will do it. Find all classes in a package that are annotated with XmlRootElement: private List<Class> findMyTypes(String basePackage) throws IOException, ClassNotFoundException { ResourcePatternResolver resourcePatternResolver = ne...
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What is Haskell used for in the real world? [closed]

... to be able to easily roll back every change if some object deep in the call hierarchy decided the message is flawed? How about having a history of different states? Many housekeeping tasks made for you: deconstructing data structures (PatternMatching), storing variable bindings (LexicalScop...