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Numeric for loop in Django templates
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Generate a string of arbitrary length with 'rjust' {% for i in "x"|rjust:"100" %}
– Aaron
Mar 30 '16 at 19:48
29
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Clearing purchases from iOS in-app purchase sandbox for a test user
... accounts associated to one email. Gmail for example lets you add a "plus" string to the email to create aliases for an address: so tester+01@gmail.com and tester+02@gmail.com both really just go to tester@gmail.com. Probably other email hosts do the same. When you create a test account you need to ...
Convert to binary and keep leading zeros in Python
...most compact and direct option.
If you are putting the result in a larger string, use an formatted string literal (3.6+) or use str.format() and put the second argument for the format() function after the colon of the placeholder {:..}:
>>> value = 14
>>> f'The produced output, i...
Unix's 'ls' sort by name
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Files being different only by a numerical string can be sorted on this number at the condition that it is preceded by a separator.
In this case, the following syntax can be used:
ls -x1 file | sort -t'<char>' -n -k2
Example:
ls -1 TRA*log | sort -t'_' -n -...
Good ways to manage a changelog using git?
... && rm -f ChangeLog.tmp; \
fi
EXTRA_DIST += .last-cl-gen
This rule is used at release time to update ChangeLog with the latest not-yet-recorded commit messages. The file .last-cl-gen contains the SHA1 identifier of the latest commit recorded in ChangeL...
vc/mfc *通配符 批量删除文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tion函数：#include "stdafx.h"#include <windows.h>int _tmain(int argc, _TCHAR*...直接上代码，可直接运行亲测有效，使用SHFileOperation函数：
#include "stdafx.h"
#include <windows.h>
int _tmain(int argc, _TCHAR* argv[])
{
LPTSTR delFileName = L"c:/test/test*.txt"...
msvcr110d.dll!_CrtIsValidHeapPointer(const void * pUserData) 行 2036 ...
...出现问题了。
可能原因2：delete释放了常字符串。如 char *p = "abc"; delete p;
可能原因3：
CString m_strTest;
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GetPrivateProfileString(INI_SECTION, "test", "", m_strTest.GetBuffer(), MAX_PATH, INI_FILE);
以上代码对话框资源释放的时候会崩溃，...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
... 得到easy_request_t中成员request_list_node的指针
(type *)( (char *)__mptr - offsetof(type,member) );}) // 指针减去 request_list_node成员在easy_request_t中的偏移就得到了easy_request_t的首地址
其中offsetof(type,member)是得到member这个这个...
Whitespace Matching Regex - Java
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Yeah, you need to grab the result of matcher.replaceAll():
String result = matcher.replaceAll(" ");
System.out.println(result);
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Python: Get the first character of the first string in a list?
How would I get the first character from the first string in a list in Python?
4 Answers
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