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Convert Set to List without creating new List
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812
You can use the List.addAll() method. It accepts a Collection as an argument, and your set is a ...
How to check if running as root in a bash script
...UID" -ne 0 ]
then echo "Please run as root"
exit
fi
Note: If you get 2: [: Illegal number: check if you have #!/bin/sh at the top and change it to #!/bin/bash.
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
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280
For the second part of your question, see the array page of the manual, which states (quoting)...
Assigning default values to shell variables with a single command in bash
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1328
Very close to what you posted, actually:
FOO=${VARIABLE:-default} # If variable not set or nu...
Threads vs Processes in Linux
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324
Linux uses a 1-1 threading model, with (to the kernel) no distinction between processes and thr...
How to refer environment variable in POM.xml?
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225
Check out the Maven Properties Guide...
As Seshagiri pointed out in the comments, ${env.VARIA...
Unpack a list in Python?
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296
function_that_needs_strings(*my_list) # works!
You can read all about it here.
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Improve subplot size/spacing with many subplots in matplotlib
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442
Try using plt.tight_layout
As a quick example:
import matplotlib.pyplot as plt
fig, axes = pl...
PHP编译安装时常见错误解决办法，php编译常见错误 - 更多技术 - 清泛网 - ...
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代码如下:
yum -y install libicu-devel
configure: error: utf8mime2text() has new signature, but U8TCANONICAL is missing. This should not happen. Check config.log for additional information.
代码如下:
yum -y install libc-client-devel
configure: error: freetype.h not found.
代码...
Visual Studio Editor does not underline errors anymore
My Visual Studio (2008) Editor has stopped to underline Errors (this nifty wavy red lines). I can't really tell when, but it can be related to the installation of .Net Framework 3.5 SP 1 or the MVC Beta (which I guess is unlikely). Furthermore have I installed and uninstalled both CodeRush and Resha...