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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
... function HideORDispFeedback() { $("#feedback").toggle();}function makeTitleDraggable(element, titleElement) { let isDragging = false; let offsetX, offsetY; // 只在标题栏上按下时开始拖动 titleElement.onmousedown = function(e) { isDragging = true; offset...
How often does python flush to a file?
...me.
Credits: this code was copied mostly from the liveAPI control surface scripts by Nathan Ramella
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Regex lookahead for 'not followed by' in grep
...grep or your grep doesn't support --perl-regexp, you can you one-line perl scripts that work the same way like grep:
perl -e "while (<>) {if (/Ui\.(?!Lines)/){print;};}"
Perl accepts stdin the same way like grep, e.g.
ipset list | perl -e "while (<>) {if (/packets(?! 0 )/){print;};}"...
Depend on a branch or tag using a git URL in a package.json?
...s.com/cli/publish and then check the repo you are installing for the build scripts. Maybe they are tagged or the post-install does not work for you, it's an issue for that specific package anyway hope this helps !
– vortex
Sep 29 '17 at 17:50
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How to execute multi-line statements within Python's own debugger (PDB)
So I am running a Python script within which I am calling Python's debugger, PDB by writing:
6 Answers
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background function in Python
I've got a Python script that sometimes displays images to the user. The images can, at times, be quite large, and they are reused often. Displaying them is not critical, but displaying the message associated with them is. I've got a function that downloads the image needed and saves it locally. Rig...
Select random lines from a file
In a Bash script, I want to pick out N random lines from input file and output to another file.
4 Answers
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HintPath vs ReferencePath in Visual Studio
... so you have to explicitly add it as parameter to the command line compile script.
– Christian
Apr 28 at 10:01
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How to hash a string into 8 digits?
... to just:
hash(s) % 10**8
will only return the same value within a given script run:
#Python 2:
$ python2 -c 's="your string"; print(hash(s) % 10**8)'
52304543
$ python2 -c 's="your string"; print(hash(s) % 10**8)'
52304543
#Python 3:
$ python3 -c 's="your string"; print(hash(s) % 10**8)'
129541...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
The script ./configure accepts 3 options --build , --host and --target . I'm confusing their roles. What's the difference and semantics of them?
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