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How to save a list as numpy array in python?
...d have put that syntax a little differently. How about import numpy as np then a = np.array ( [[2,3,4],[3,4,5]] ) ?
– SDsolar
Sep 12 '17 at 23:12
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Delete terminal history in Linux [closed]
...at following line to your ~/.bash_profile: export SHELL_SESSION_HISTORY=0, then do a source ~/.bash_profile and to finish quit and restart your Terminal app. If you want to understand what this export command does, then you should definitely check this following link: superuser.com/questions/950403/...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
...或位置不对，而浪费好多宝贵的时间。
格式：
if ....; then
....
elif ....; then
....
else
....
fi
[ -f "somefile" ] ：判断是否是一个文件
[ -x "/bin/ls" ] ：判断/bin/ls是否存在并有可执行权限
[ -n "$var" ] ：判断$var变量是否有值
[ "$a" = ...
Eclipse Build Path Nesting Errors
... created a fresh project.
I was creating the Java project within Eclipse, then mavenize it, then going into java build path properties removing src/ and adding src/main/java and src/test/java. When I run Maven update it used to give nested path error.
Then I finally realized -because I had not see...
How to find and turn on USB debugging mode on Nexus 4
... If you see
a “Not need, you are already a developer!” message pop up, then you know you have
done it correctly.
Done! By tapping on “Build number” seven times, you have unlocked USB debugging mode on Android 4.2 and higher. You can now enable/disable it whenever you desire by going to
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How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?
...atabase with psql and supply an extra "-E" (or "--echo-hidden") option and then execute the above command.
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An error occurred while signing: SignTool.exe not found
...be the solution you go with. If you don't care about signing an installer, then you should remove the installer/publish settings instead of disabling security!!
– Jaxidian
Dec 8 '15 at 16:31
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How to see top processes sorted by actual memory usage?
...nd algorithms; if memory allocations are necessary to move a mouse pointer then something is seriously wrong with the software you're using. :)
– sarnold
Jul 21 '16 at 18:21
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SQL left join vs multiple tables on FROM line?
...y optimizer determines that the way to do this is to first take a company, then find the departments, and then do an inner join with employees, you're not going to get any companies that don't have departments.
The reason for this is that the WHERE clause determines which rows end up in the final r...
Check if pull needed in Git
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First use git remote update, to bring your remote refs up to date. Then you can do one of several things, such as:
git status -uno will tell you whether the branch you are tracking is ahead, behind or has diverged. If it says nothing, the local and remote are the same.
git show-branch *mas...