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Compare two files line by line and generate the difference in another file
I want to compare file1 with file2 and generate a file3 which contains the lines in file1 which are not present in file2.
1...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...nsaction.TransactionManagementError exception.
Like caio mentioned in the comments, the solution is to capture your exception with transaction.atomic like:
from django.db import transaction
def test_constraint(self):
try:
# Duplicates should be prevented.
with transaction.atomi...
How to debug apk signed for release?
...plication tag of your manifest file, and then:
Plug your phone into your computer and enable USB debugging on the phone
Open eclipse and a workspace containing the code for your app
In Eclipse, go to Window->Show View->Devices
Look at the Devices view which should now be visible, you should ...
What's onCreate(Bundle savedInstanceState)
...te) I am newbie in Android. I try to understand it from developer.android.com. But I am not able to understand. Can anyone simplify it?
...
How to check if a String contains only ASCII?
...aracters rather than code points, even if code points are indicated in the comments of earlier versions. Fortunately, the characters required to create code point with a value of U+010000 or over uses two surrogate characters with a value outside of the ASCII range. So the method still succeeds in t...
@AspectJ pointcut for all methods of a class with specific annotation
...
You should combine a type pointcut with a method pointcut.
These pointcuts will do the work to find all public methods inside a class marked with an @Monitor annotation:
@Pointcut("within(@org.rejeev.Monitor *)")
public void beanAnnot...
SourceKitService Terminated
...Kit Service Terminated" is popping up and all syntax highlighting and code completion is gone in Swift. How can I fix this?
...
In a bootstrap responsive page how to center a div
...rid alignement with flex-box
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css');
html,
body {
height: 100%
}
<div class="h-100 row align-items-center">
<div class="col" style="background:red">
TEXT
</div>
</div>...
Git in Visual Studio - add existing project?
...n double click the repository for your project file, and make your initial commit (making sure to add whatever files you'd like).
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How do I set/unset a cookie with jQuery?
...anipulation, so don't use the original answer below.
Go to https://github.com/js-cookie/js-cookie instead, and use the library there that doesn't depend on jQuery.
Basic examples:
// Set a cookie
Cookies.set('name', 'value');
// Read the cookie
Cookies.get('name') => // => 'value'
See th...