大约有 31,100 项符合查询结果（耗时：0.0414秒） [XML]
Run a Docker image as a container
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The --rm (note: 2 dashes not single) option is gold!!!, my system is littered with stopped (dead) containers.
– Johan Snowgoose
Jul 14 '19 at 21:40
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mysql - how many columns is too many?
...e same row? no, break them out and group them into different tables (using my example form my previous comment): "Person", "Activities" "HealthRecords". Storing a SUM for performance reasons is a completely different issue than keeping all data in 70 columns to avoid joins.
– K...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
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From my testing Write-Output and [Console]::WriteLine() perform much better than Write-Host.
Depending on how much text you need to write out this may be important.
Below if the result of 5 tests each for Write-Host, Write-Outpu...
pip install mysql-python fails with EnvironmentError: mysql_config not found
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It seems mysql_config is missing on your system or the installer could not find it.
Be sure mysql_config is really installed.
For example on Debian/Ubuntu you must install the package:
sudo apt-get install libmysqlclient-dev
Maybe...
Compiling problems: cannot find crt1.o
... On Ubuntu this worked sudo apt-get install gcc-multilib and it fixed my error from gfortran -m32 ...
– randwa1k
Sep 10 '14 at 1:11
1
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Select element by exact match of its content
...ometimes there is random white space surrounding the element's text. It is my belief that if you're searching for "Hello World", you would still want it to match " Hello World ", or even "Hello World \n". Thus, I just added the "trim()" method to the function, which removes surrounding whitespace...
How to normalize an array in NumPy?
... should be in numpy — although order should probably come before axis in my opinion.
– Neil G
Jan 16 '15 at 15:57
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Getting indices of True values in a boolean list
I have a piece of my code where I'm supposed to create a switchboard. I want to return a list of all the switches that are on. Here "on" will equal True and "off" equal False . So now I just want to return a list of all the True values and their position. This is all I have but it only return t...
Professional jQuery based Combobox control? [closed]
...bobox, but it doesn't really look like something I'd really want to use in my web applications. I think there are some usability issues with this control, but as a user I don't think I'd know to start typing for the dropdownlist to turn into a textbox.
I much prefer the Combo Dropdown Box, but it s...
Git: add vs push vs commit
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I find this image very meaningful :
(from : Oliver Steele -My Git Workflow (2008) )
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