大约有 7,554 项符合查询结果（耗时：0.0148秒） [XML]
Extract filename and extension in Bash
....*}"
somefile.tar
There's a caveat in that if your filename was of the form ./somefile.tar.gz then echo ${FILENAME%%.*} would greedily remove the longest match to the . and you'd have the empty string.
(You can work around that with a temporary variable:
FULL_FILENAME=$FILENAME
FILENAME=${FUL...
Flatten an irregular list of lists
...ns can make your example a little easier to read and probably boost the performance.
Python 2
def flatten(l):
for el in l:
if isinstance(el, collections.Iterable) and not isinstance(el, basestring):
for sub in flatten(el):
yield sub
else:
...
Android - Package Name convention
... the path hierarchy.
So, for instance, packages from Adobe would be of the form:
com.adobe.reader (Adobe Reader)
com.adobe.photoshop (Adobe Photoshop)
com.adobe.ideas (Adobe Ideas)
[Note that this is just an illustration and these may not be the exact package names.]
These could internally be m...
Convert interface{} to int
...e rules in the referenced specs parts:
Conversions are expressions of the form T(x) where T is a type and x is an expression that can be converted to type T.
...
A non-constant value x can be converted to type T in any of these cases:
x is assignable to T.
x's type and T have identical underlyin...
How to open emacs inside bash
... disregarding the DISPLAY environment variable even if it is set.
The long form of this flag is emacs --no-window-system.
More information about emacs launch options can be found in the manual.
share
|
...
Convert tabs to spaces in Notepad++
...I just want to be able to switch to spaces before pasting some code into a form.
– Helephant
Jan 18 '09 at 12:17
3
...
QLabel: set color of text and background
...olors of your QLabel, but you might get different results on different platforms and/or styles.
As Qt documentation states :
Using a QPalette isn't guaranteed to work for all styles, because style authors are restricted by the different platforms' guidelines and by the native theme engine.
B...
How to send a header using a HTTP request through a curl call?
...ue1&param2=value2" http://hostname/resource
For file upload:
curl --form "fileupload=@filename.txt" http://hostname/resource
RESTful HTTP Post:
curl -X POST -d @filename http://hostname/resource
For logging into a site (auth):
curl -d "username=admin&password=admin&submit=Login"...
C++: const reference, before vs after type-specifier
...nt* pointer;, const pointer is not const int*, it's int* const. The suffix form is not awkward.
– Matthieu M.
Sep 12 '10 at 16:49
4
...
SQLiteDatabase.query method
... be used.
selection String: A filter declaring which rows to return, formatted as an SQL WHERE clause (excluding the WHERE itself). Passing
null will return all rows for the given table.
selectionArgs String: You may include ?s in selection, which will be replaced by the values from se...