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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?

... 3446 With new_list = my_list, you don't actually have two lists. The assignment just copies the re...
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Check number of arguments passed to a Bash script

... answered Sep 2 '13 at 8:30 konsoleboxkonsolebox 57.4k77 gold badges7777 silver badges8989 bronze badges ...
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How to generate keyboard events in Python?

... using ctypes: import ctypes from ctypes import wintypes import time user32 = ctypes.WinDLL('user32', use_last_error=True) INPUT_MOUSE = 0 INPUT_KEYBOARD = 1 INPUT_HARDWARE = 2 KEYEVENTF_EXTENDEDKEY = 0x0001 KEYEVENTF_KEYUP = 0x0002 KEYEVENTF_UNICODE = 0x0004 KEYEVENTF_SCANCODE =...
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How to store a command in a variable in a shell script?

I would like to store a command to use at a later period in a variable (not the output of the command, but the command itself) ...
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Spring MVC: How to perform validation?

... 322 With Spring MVC, there are 3 different ways to perform validation : using annotation, manually...
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Initial bytes incorrect after Java AES/CBC decryption

...} public static void main(String[] args) { String key = "Bar12345Bar12345"; // 128 bit key String initVector = "RandomInitVector"; // 16 bytes IV System.out.println(decrypt(key, initVector, encrypt(key, initVector, "Hello World"))); } } ...
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Why does Twitter Bootstrap Use Pixels for Font Size?

...to blog about these changes as they come up more, but I'm unsure how close 3.0 is and what that will all entail yet. I would suggest anyone with strong feelings about this go and +1 this thread. [Update] V3 roadmap oulined in V2.3 release blogpost makes no mention of adding support for ems. [Update...
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Is it safe to assume a GUID will always be unique?

I know there is a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one? ...
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What is null in Java?

... 312 Is null an instance of anything? No, there is no type which null is an instanceof. 15.2...
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MyISAM versus InnoDB [closed]

...rojects which involves a lot of database writes, I'd say ( 70% inserts and 30% reads ). This ratio would also include updates which I consider to be one read and one write. The reads can be dirty (e.g. I don't need 100% accurate information at the time of read). The task in question will be doin...