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What's the difference between VARCHAR and CHAR?
What's the difference between VARCHAR and CHAR in MySQL?
14 Answers
14
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socket.error: [Errno 48] Address already in use
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You already have a process bound to the default port (8000). If you already ran the same module before, it is most likely that process still bound to the port. Try and locate the other process first:
$ ps -fA | grep python
501 81651 12648 0 9:53PM ttys000 0:00.16 python -m Sim...
How to close activity and go back to previous activity in android
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You have set android:noHistory = "true" for MainActivity inside AndroidManifest.xml which causes MainActivity to finish automatically on pressing the back key.
OR
Before switching to your 'SettingsActivity', you have called finish() in your MainActivity, which kills it. When you press back button...
When should a class be Comparable and/or Comparator?
...s instances.
Comparator
A comparator object is capable of comparing two different objects. The class is not comparing its instances, but some other class’s instances. This comparator class must implement the java.util.Comparator interface.
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Share data between AngularJS controllers
...';
$scope.$watch('firstName', function (newValue, oldValue) {
if (newValue !== oldValue) Data.setFirstName(newValue);
});
});
myApp.controller('SecondCtrl', function ($scope, Data) {
$scope.$watch(function () { return Data.getFirstName(); }, function (newValue, oldValue) {
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How to check for changes on remote (origin) Git repository?
...he remote branch in your repository to point to the latest version. For a diff against the remote:
git diff origin/master
Yes, you can use caret notation as well.
If you want to accept the remote changes:
git merge origin/master
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How to remove the default link color of the html hyperlink 'a' tag?
... color:#00A0C6;
text-decoration:none;
cursor:pointer;
}
if text-decoration doesn't work then include
text-decoration: none !important;
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How to get .pem file from .key and .crt files?
How can I create a PEM file from an SSL certificate?
10 Answers
10
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Is it possible for a computer to “learn” a regular expression by user-provided examples?
...Behold! :-)
Finding a meaningful regex/solution from examples is possible if and only if the provided examples describe the problem well.
Consider these examples that describe an extraction task, we are looking for particular item codes; the examples are text/extraction pairs:
"The product code is...
Case-INsensitive Dictionary with string key-type in C#
If I have a Dictionary<String,...> is it possible to make methods like ContainsKey case-insensitive?
5 Answers
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