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Random string generation with upper case letters and digits

...dom.choices(string.ascii_uppercase + string.digits, k=N)) A cryptographically more secure version; see https://stackoverflow.com/a/23728630/2213647: ''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(N)) In details, with a clean function for further reus...
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Multiple commands in gdb separated by some sort of delimiter ';'?

...rinted a backtrace, but it doesn't. You can accomplish the same thing by calling into the Python interpreter. python import gdb ; print(gdb.execute("s")) ; print(gdb.execute("bt")) It's possible to wrap this up into a dedicated command, here called "cmds", backed by a python definition. Here's a...
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UIBarButtonItem with custom image and no border

...ation code here } @end So anywhere in your code you can create bar item calling this method (provided that you include a header with its declaration). P.S. You do not need to use 'v' UIView as you can create UIBarButtonItem with a button as custom view directly. P.P.S. You also need [forward rel...
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Drawing a connecting line between two elements [closed]

...ilding applications and integrations for popular libraries, and is commercially licensed. share | improve this answer | follow | ...
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How does one create an InputStream from a String? [duplicate]

...may not be the one you want here). For me, this is UTF-8 (which can encode all Java Strings). The right answer would be "indicate the encoding you really want", not "use UTF-16". And you can use it with .getBytes(charsetName), don't have to explicitly create a Charset object and encode the String to...
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CodeIgniter: Create new helper?

...o it. <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); if ( ! function_exists('test_method')) { function test_method($var = '') { return $var; } } Save this to application/helpers/ . We shall call it "new_helper.php" The first line exists to ...
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Django-Admin: CharField as TextArea

... Starting from Django 1.7 you need to add also fields = '__all__' under class Meta:. – skoll May 4 '16 at 11:43 2 ...
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How to get the CPU Usage in C#?

I want to get the overall total CPU usage for an application in C#. I've found many ways to dig into the properties of processes, but I only want the CPU usage of the processes, and the total CPU like you get in the TaskManager. ...
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Get Image size WITHOUT loading image into memory

... As the comments allude, PIL does not load the image into memory when calling .open. Looking at the docs of PIL 1.1.7, the docstring for .open says: def open(fp, mode="r"): "Open an image file, without loading the raster data" There ar...
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What's the difference between console.dir and console.log?

... @icedwater: Depends on whether you have the console open when you call console.log or open it later. Yes, really. :-) – T.J. Crowder Jun 22 '17 at 17:12 ...