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Batch file. Delete all files and folders in a directory
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Use:
Create a batch file
Copy the below text into the batch file
set folder="C:\test"
cd /d %folder%
for /F "delims=" %%i in ('dir /b') do (rmdir "%%i" /s/q || del "%%i" /s/q)
It will delete all files and folders.
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How can I use pickle to save a dict?
I have looked through the information that the Python docs give, but I'm still a little confused. Could somebody post sample code that would write a new file then use pickle to dump a dictionary into it?
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Backporting Python 3 open(encoding=“utf-8”) to Python 2
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What are the complexity guarantees of the standard containers?
... elements from begin to end. O(n)
Accessors
v[i] Return (or set) the I'th element. O(1)
v.at(i) Return (or set) the I'th element, with bounds checking. O(1)
v.size() Return current number of elements. O(1)
v.empty() Return t...
Random string generation with upper case letters and digits
...ing.uppercase which can lead to unexpected results depending on the locale set. Using string.ascii_uppercase (or string.ascii_letters + string.digits for base62 instead of base36) is safer in cases where encoding is involved.
– Blixt
May 17 '15 at 18:03
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CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...macro (do_test arg result)
add_test (TutorialComp${arg} Tutorial ${arg})
set_tests_properties (TutorialComp${arg}
PROPERTIES PASS_REGULAR_EXPRESSION ${result})
endmacro (do_test)
# do a bunch of result based tests
do_test (25 "25 is 5")
do_test (-25 "-25 is 0")
执行make install：
D:/P...
Android: Share plain text using intent (to all messaging apps)
...tent body";
/*The type of the content is text, obviously.*/
intent.setType("text/plain");
/*Applying information Subject and Body.*/
intent.putExtra(android.content.Intent.EXTRA_SUBJECT, getString(R.string.share_subject));
intent.putExtra(android.content.Intent.EXTRA_TEXT, shareB...
Escape angle brackets in a Windows command prompt
...r than echo to do the output and quote with double quotes:
C:\WINDOWS> set/p _="<html>" <nul
<html>
C:\WINDOWS> set/p _="<html>" <nul | sort
<html>
Note that this will not preserve leading spaces on the prompt text.
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How to trim leading and trailing white spaces of a string?
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Bordered UITextView
... much explaining, view is the UITextView, and the code goes wherever you'd set up the view (awakeFromNib or viewDidLoad are two possible places). Since there was no code given there's no way to give good context in response.
– Kendall Helmstetter Gelner
May 6 ...