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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
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For this to work you must have started a session by adding session_start(); at the beginning of the file. w3schools.com/php/php_sessions.asp says Note: The session_start() function must be the very first thing in your document. Before any HTML tags.
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$on and $broadcast in angular
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If you want to $broadcast use the $rootScope:
$scope.startScanner = function() {
$rootScope.$broadcast('scanner-started');
}
And then to receive, use the $scope of your controller:
$scope.$on('scanner-started', function(event, args) {
// do what you want to do
});
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Best Practice: Software Versioning [closed]
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You should start with version 1, unless you know that the first version you "release" is incomplete in some way.
As to how you increment the versions, that's up to you, but use the major, minor, build numbering as a guide.
It's not ne...
Stashing only staged changes in git - is it possible?
...at is currently staged and leaves everything else. This is awesome when I start making too many unrelated changes. Simply stage what isn't related to the desired commit and stash just that.
(Thanks to Bartłomiej for the starting point)
#!/bin/bash
#Stash everything temporarily. Keep staged fi...
How can I shift-select multiple checkboxes like GMail?
... return;
}
if (e.shiftKey) {
var start = $chkboxes.index(this);
var end = $chkboxes.index(lastChecked);
$chkboxes.slice(Math.min(start,end), Math.max(start,end)+ 1).prop('checked', lastChecked.checked);
}
lastC...
How do I view the SQL generated by the Entity Framework?
...ly running in development. When we deployed to our testing environment, we started to abruptly see memory leaks in the IIS Worker Process. After memory profiling, we realized even explicit GC wasn't collecting the entity context objects anymore (yes, they were in using statements). Removing this lin...
What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
... var d = new Dictionary<string, string> {{"a", "b"}};
var start = DateTime.Now;
for (int i = 0; i != 10000000; i++) {
string x;
if (!d.TryGetValue("a", out x)) throw new ApplicationException("Oops");
if (d.TryGetValue("b", out x)) throw ne...
Tests not running in Test Explorer
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I had the same problem in VS 2017. In my case it solved by restarting VS.
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Bootstrap 3 panel header with buttons wrong position
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I would start by adding clearfix class to the <div> with panel-heading class. Then, add both panel-title and pull-left to the H4 tag. Then, add padding-top, as necessary.
Here's the complete code:
<div class="panel panel-d...
How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)
... manually by opening the AVD's pull-down menu and choosing Wipe Data.
Now start and use your Emulator with increased storage.
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