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What is `related_name` used for in Django?
...l would be User.usermapdataframe_set.all(), which it is quite difficult to read.
Using the related_name allows you to specify a simpler or more legible name to get the reverse relation. In this case, if you specify user = models.ForeignKey(User, related_name='map_data'), the call would then be Use...
How do I run a program with a different working directory from current, from Linux shell?
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I always think UNIX tools should be written as filters, read input from stdin and write output to stdout. If possible you could change your helloworld binary to write the contents of the text file to stdout rather than a specific file. That way you can use the shell to write you...
What does immutable mean?
...tack to your heart’s content.
To go deep on understaning immutability, read Eric's posts starting with this one:
Immutability in C# Part One: Kinds of Immutability
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Adding a library/JAR to an Eclipse Android project
...ted for use on Android.)
NOTE
Step 5 may not be needed, if the lib is already included in your build path. Just ensure that its existence first before adding it.
What you've done here accomplishes two things:
Includes a Dalvik-converted JAR
in your Android project.
Makes Java definitions avail...
How to force a line break in a long word in a DIV?
...the widths of the columns in the first row only (or via specified widths). Read more here.
Sample code:
table {
table-layout: fixed;
width: 100%;
}
table td {
word-wrap: break-word; /* All browsers since IE 5.5+ */
overflow-wrap: break-word; /* Renamed property in CSS3...
Can someone explain this 'double negative' trick? [duplicate]
I am by no means an expert at Javascript, but I have been reading Mark Pilgrim's "Dive into HTML5" webpage and he mentioned something that I would like a better understanding of.
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Using .gitignore to ignore everything but specific directories
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I am not an expert on glob patterns, but reading the .gitignore man page, I believe this may work: !wordpress/[write out directories]/wp-content/themes/. Notice the closing slash and no closing asterisk. Also note that * will only match one level, not multiple dir...
AngularJS access parent scope from child controller
...es = $scope.cities;
}
The AngularJS docs use this approach, here you can read more about the $scope.
Another update
I think this is a better answer to the original poster.
HTML
<div ng-app ng-controller="ParentCtrl as pc">
<div ng-controller="ChildCtrl as cc">
<pre&...
LINQ to Entities case sensitive comparison
...password is the same.
A little bit long-winded, but I feel it is easier to read when there may be a whole bunch of criteria involved.
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How to add default value for html ? [closed]
I want to set a default value for my html <textarea> . I read from a material that to add default value you have to do something like <textarea>This is default text</textarea> . I did that but it doesn't work. What's the right thing to do?
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