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Python argparse: How to insert newline in the help text?
...s its own _split_lines method, so that any formatting done to e.g. version strings is preserved:
parser.add_argument('--version', '-v', action="version",
version="version...\n 42!")
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Run function from the command line
...function
This works because you are passing the command line argument (a string of the function's name) into locals, a dictionary with a current local symbol table. The parantheses at the end will make the function be called.
update: if you would like the function to accept a parameter from the c...
Where does Console.WriteLine go in ASP.NET?
...
One more little hint; if you are printing a formatted string, use Debug.Print instead of Debug.WriteLine to avoid an argument conflict (see social.msdn.microsoft.com/Forums/ar/Vsexpressvcs/thread/…).
– Nicholas Riley
Jan 9 '12 at 20:02
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Flex-box: Align last row to grid
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One technique would be inserting a number of extra elements (as many as the max number of elements you ever expect to have in a row) that are given zero height. Space is still divided, but superfluous rows collapse to nothing:
http://codepen.io/dalgard/pen/Dbnus
b...
When should I use File.separator and when File.pathSeparator?
In the File class there are two strings, separator and pathSeparator .
3 Answers
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Quick easy way to migrate SQLite3 to MySQL? [closed]
...esn't use quotes inside the schema definition
MySQL uses single quotes for strings inside the INSERT INTO clauses
SQLite and MySQL have different ways of escaping strings inside INSERT INTO clauses
SQLite uses 't' and 'f' for booleans, MySQL uses 1 and 0 (a simple regex for this can fail when you ha...
Why do I want to avoid non-default constructors in fragments?
... parameter.
For example:
public static MyFragment newInstance(int title, String message) {
MyFragment fragment = new MyFragment();
Bundle bundle = new Bundle(2);
bundle.putInt(EXTRA_TITLE, title);
bundle.putString(EXTRA_MESSAGE, message);
fragment.setArguments(bundle);
retu...
How do I decode HTML entities in Swift?
I am pulling a JSON file from a site and one of the strings received is:
23 Answers
23...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...n nItem here
}
}
8. 得到item的信息
TCHAR szBuf[1024];
LVITEM lvi;
lvi.iItem = nItemIndex;
lvi.iSubItem = 0;
lvi.mask = LVIF_TEXT;
lvi.pszText = szBuf;
lvi.cchTextMax = 1024;
m_list.GetItem(&lvi);
关于...
What does the brk() system call do?
...;assert.h>
#include <unistd.h>
int main(void) {
void *b;
char *p, *end;
b = sbrk(0);
p = (char *)b;
end = p + 0x1000000;
brk(end);
while (p < end) {
*(p++) = 1;
}
brk(b);
return 0;
}
Tested on Ubuntu 18.04.
Virtual address space visual...