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What's the u prefix in a Python string?

... That was a fun read! Thanks! Article is 17 years old and it's still accurate. Wow. – Kerwin Sneijders Feb 28 at 11:08 ...
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Animated GIF in IE stopping

...ross this workaround, and it actually does work. Here is the gist of it: function showProgress() { var pb = document.getElementById("progressBar"); pb.innerHTML = '<img src="./progress-bar.gif" width="200" height ="40"/>'; pb.style.display = ''; } and in your html: <input t...
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Why em instead of px?

...t in the process not adhering to an exact size. It would be typical for a site to have a mix of fixed-size and flexible-sized objects. Fixed size elements often need to be incorporated into the page - such as advertising banners, logos or icons. This ensures you almost always need at least some p...
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How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?

...thSegments.last() If they don't give you the right name you should use: fun Uri.getName(context: Context): String { val returnCursor = context.contentResolver.query(this, null, null, null, null) val nameIndex = returnCursor.getColumnIndex(OpenableColumns.DISPLAY_NAME) returnCursor.mov...
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Use of alloc init instead of new

... Very old question, but I've written some example just for fun — maybe you'll find it useful ;) #import "InitAllocNewTest.h" @implementation InitAllocNewTest +(id)alloc{ NSLog(@"Allocating..."); return [super alloc]; } -(id)init{ NSLog(@"Initializing..."); retur...
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Espresso: Thread.sleep( );

...ained with other ViewInteractions: /** * Wait for view to be visible */ fun ViewInteraction.waitUntilVisible(timeout: Long): ViewInteraction { val startTime = System.currentTimeMillis() val endTime = startTime + timeout do { try { check(matches(isDisplayed())) ...
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How to copy a collection from one database to another in MongoDB

.... You could do something like: db.<collection_name>.find().forEach(function(d){ db.getSiblingDB('<new_database>')['<collection_name>'].insert(d); }); Please note that with this, the two databases would need to share the same mongod for this to work. Besides this, you can do a...
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Are +0 and -0 the same?

... Actually, this behavior models limit calculation in math. For example function 1/x has a value infinity in 0, however, it is separated if we are approaching 0 from the positive of negative side; in the former, the result is +inf, in the latter, -inf. – Agoston Horvath ...
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How do I add a simple jQuery script to WordPress?

... } add_action('wp_enqueue_scripts', 'my_scripts_method'); Check out your site to make sure it works! share | improve this answer | follow | ...
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Suppress warning messages using mysql from within Terminal, but password written in bash script

... edited Aug 4 at 7:44 coding is fun 35677 silver badges1515 bronze badges answered Apr 8 '14 at 9:34 David Goo...