大约有 32,294 项符合查询结果（耗时：0.0531秒） [XML]
How can I open multiple files using “with open” in Python?
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Yes it is definitely my editor, and it is only a warning. What I wanted to emphasize is that your indentation does not comply with PEP8. You should indent the second open() with 8 spaces instead of aligning it with the first one.
– Louis M
Jul ...
Running multiple commands with xargs
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Let us see what is the easiest attack vector: Pi.dk is controlled by the author of GNU Parallel, so to attack that you would have to break into the server or take over DNS. To take over the official package of a distribution, you can of...
OAuth secrets in mobile apps
...u can simply store the secret in your data base or on the file system, but what is the best way to handle it in a mobile app (or a desktop app for that matter)?
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Difference between VARCHAR and TEXT in MySQL [duplicate]
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@AbcAeffchen I believe I found out what you meant. Basically a "fixed max size" means that you can't set the size at all - it's always 65535 even if you don't want to support a size that large. Which means that TEXT is sort of shorthand for a VARCHAR field ...
Covariance and contravariance real world example
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So, if I get it right, covariance is what allows Liskov's substitution principle in C#, is that right?
– Miguel Veloso
Dec 3 '17 at 10:16
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
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Beautiful. What does "independent" refer to? Independent from what?
– towi
Sep 27 '16 at 7:29
8
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Creating a byte array from a stream
What is the prefered method for creating a byte array from an input stream?
16 Answers
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Make sure only a single instance of a program is running
... This syntax didn't work for me on windows under Python 2.6. What worked for me was: 1:from tendo import singleton 2:me = singleton.SingleInstance()
– Brian
Aug 17 '11 at 18:15
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Setting “checked” for a checkbox with jQuery
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@YuriAlbuquerque it was an example. you can use whatever selector you want.
– bchhun
Oct 13 '13 at 0:14
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How do you allow spaces to be entered using scanf?
... your input into a string and sscanf() to evaluate it. Since you just want what the user entered without parsing, you don't really need sscanf() in this case anyway:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* Maximum name size + 1. */
#define MAX_NAME_SZ 256
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