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how do i block or restrict special characters from input fields with jquery?
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A simple example using a regular expression which you could change to allow/disallow whatever you like.
$('input').on('keypress', function (event) {
var regex = new RegExp("^[a-zA-Z0-9]+$");
var key = String.fromCharCode(!event.charCode ? event.which : event.charCode);
if (!regex.t...
java.lang.NoClassDefFoundError: Could not initialize class XXX
...ntire block and log the exception. You'll have to fix that exception. Typically the exception will be logged but may be hard to find since it's being logged during classloading which may happen very early
– John Vint
Aug 9 '16 at 11:30
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mysql create user if not exists
...alhost' IDENTIFIED BY 'password';
Note that the 5.7.6 method doesn't actually grant any permissions.
If you aren't using a version which has this capability (something below 5.7.6), you can do the following:
GRANT ALL ON `database`.* TO 'user'@'localhost' IDENTIFIED BY 'password';
This will ...
How can I test that a value is “greater than or equal to” in Jasmine?
.../jasmine-2.0.0/boot.js"></script>
Then in your boot.js add the call to add the matchers after jasmine has been defined but before jasmine.getEnv(). Get env is actually a (slightly misleadingly named) setup call.
The matchers get setup in the call to setupCoreMatchers in the Env construc...
Finding the handle to a WPF window
Windows forms had a property win1.Handle which, if I recall, returns the handle of the main window handle?
4 Answers
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Add centered text to the middle of a -like line
.../Laut6zyc/ for demo.
Today the compatibility is not that bad (you can add all of old flexbox syntaxes) and it degrades gracefully.
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store and retrieve a class object in shared preference
...tream and save as String in the SharedPreferences
– rallat
Jun 6 '12 at 15:22
27
another option i...
How to simulate a mouse click using JavaScript?
...tchEvent(evt);
Demo: http://jsfiddle.net/DerekL/932wyok6/
This works on all modern browsers. For old browsers including IE, MouseEvent.initMouseEvent will have to be used unfortunately though it's deprecated.
var evt = document.createEvent("MouseEvents");
evt.initMouseEvent("click", canBubble, ...
What's the difference between unit tests and integration tests? [duplicate]
...nit test is a test written by the programmer to verify that a relatively small piece of code is doing what it is intended to do. They are narrow in scope, they should be easy to write and execute, and their effectiveness depends on what the programmer considers to be useful. The tests are intended f...
Installing a local module using npm?
I have a downloaded module repo, I want to install it locally, not globally in another directory?
7 Answers
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