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6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术
...要动用C++的编译器g++才能编程通过。
hello1.c
#define _________ }
#define ________ putchar
#define _______ main
#define _(a) ________(a);
#define ______ _______(){
#define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C)
#define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F)
#define ____ _...
How should I print types like off_t and size_t?
... Johannes Schaub - litbJohannes Schaub - litb
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class
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edited Jun 20 '17 at 12:08
answered Jun 26 '16 at 18:17
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Can I 'git commit' a file and ignore its content changes?
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100
The preferred way to do this is to use git update-index --skip-worktree <file>, as expla...
Converting a string to a date in JavaScript
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edited May 23 '17 at 12:34
Community♦
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answered Apr 11 '11 at 9:53
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Best way to do multi-row insert in Oracle?
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EspoEspo
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How to detect iPhone 5 (widescreen devices)?
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answered Sep 16 '12 at 13:08
MacmadeMacmade
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PHP convert XML to JSON
...ully.
– AlexanderMP
Feb 7 '17 at 16:12
1
This doesn't work if you have multiple namespaces, you c...
Get exception description and stack trace which caused an exception, all as a string
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See the traceback module, specifically the format_exc() function. Here.
import traceback
try:
raise ValueError
except ValueError:
tb = traceback.format_exc()
else:
tb = "No error"
finally:
print tb
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How to encrypt/decrypt data in php?
...t.
A function is provided to help you generate the IV:
$iv_size = 16; // 128 bits
$iv = openssl_random_pseudo_bytes($iv_size, $strong);
Example
Let's encrypt the name field, using the earlier $encryption_key and $iv; to do this, we have to pad our data to the block size:
function pkcs7_pad($da...