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How to delete the contents of a folder?
...bolic links, should work on Windows as well.
import os
import shutil
for root, dirs, files in os.walk('/path/to/folder'):
for f in files:
os.unlink(os.path.join(root, f))
for d in dirs:
shutil.rmtree(os.path.join(root, d))
...
Controlling a USB power supply (on/off) with Linux
...n foo using sudo. The redirection fails because it happens before you get root access. The solution is to use sudo sh -c 'echo disabled > /sys/bus/usb/devices/usb1/power/wakeup', and so on: gain root, run a new hell to perform a redirect, then output something into the redirected file descripto...
Kiosk mode in Android
... has announced Task Locking, which does exactly that. It does seem to need root however.
The L Developer Preview introduces a new task locking API that lets
you temporarily restrict users from leaving your app or being
interrupted by notifications. This could be used, for example, if you
a...
Can an int be null in Java?
...ign null to int in Java by casting it to Integer, for example if the check(root) method can return null then you can safely cast it to int by doing something like this: int data = (Integer)check(node);
– sactiw
Oct 11 '12 at 14:06
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Reset all changes after last commit in git
...
There are two commands which will work in this situation,
root>git reset --hard HEAD~1
root>git push -f
For more git commands refer this page
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Is there a way to “limit” the result with ELOQUENT ORM of Laravel?
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How to solve java.lang.NoClassDefFoundError?
...cktrace will too show NoClassDefFoundError for that case: archive.is/YPbYI#selection-2107.0-2115.13
– Pacerier
Dec 10 '17 at 7:17
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Makefiles with source files in different directories
... allowing you to build them independently. Further, have a Makefile in the root directory of the project which builds everything. The "root" Makefile would look something like the following:
all:
+$(MAKE) -C part1
+$(MAKE) -C part2
+$(MAKE) -C part3
Since each line in a make target ...
Xcode — what is $(SRCROOT)?
... need to update some paths. The library search paths all start with $(SRCROOT) . What does that mean?
3 Answers
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Looking for a 'cmake clean' command to clear up CMake output
... I can just rm -rf build.
The "build" folder in the same directory as the root "CMakeLists.txt" is usually a good choice. To build your project, you simply give cmake the location of the CMakeLists.txt as an argument. For example: cd <location-of-cmakelists>/build && cmake ... (From @...