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Open and write data to text file using Bash?
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echo "some data for the file" >> fileName
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Is it possible to pass query parameters via Django's {% url %} template tag?
...y add them to the end:
<a href="{% url myview %}?office=foobar">
For Django 1.5+
<a href="{% url 'myview' %}?office=foobar">
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onNewIntent() lifecycle and registered listeners
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onNewIntent() is meant as entry point for singleTop activities which already run somewhere else in the stack and therefore can't call onCreate(). From activities lifecycle point of view it's therefore needed to call onPause() before onNewIntent(). I suggest you to...
While loop to test if a file exists in bash
I'm working on a shell script that does certain changes on a txt file only if it does exist, however this test loop doesn't work, I wonder why?
Thank you!
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What are differences between PECL and PEAR?
I can see that GD library is for images. But I can't see differences between PECL and PEAR.
Both have authentication.
What are the main differences between two?
Why don't they combine them?
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How do I discard unstaged changes in Git?
How do I discard changes in my working copy that are not in the index?
36 Answers
36
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How do I create a class instance from a string name in ruby?
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Note that Object.const_get('Foo::Bar') will not work, while constantize will.
– Marc-André Lafortune
May 8 '11 at 4:49
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Get the name of an object's type
... The name of thing's class, regardless of thing's type, is thing.constructor.name. Builtin constructors in an ES2015 environment have the correct name property; for instance (2).constructor.name is "Number".
But here are various hacks that all fall down in one way or another:
Here is a hack that w...
Android: how to check if a View inside of ScrollView is visible?
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This works:
Rect scrollBounds = new Rect();
scrollView.getHitRect(scrollBounds);
if (imageView.getLocalVisibleRect(scrollBounds)) {
// Any portion of the imageView, even a single pixel, is within the visible window
} else {
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The requested operation cannot be performed on a file with a user-mapped section open
...es into my bin folder, after stopping the main service, I am getting an error with one file (TexteDll). The error is:
28 An...