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Why are trailing commas allowed in a list?
... 1,
2,
3,
5
4,
]
# Now you have an error
But if you allow trailing commas, and use them, you can easily rearrange the lines without introducing an error.
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Why is using 'eval' a bad practice?
...or later. Even an innocent input like: Let's have fun. will cause a syntax error and expose the vulnerability.
– Nadia Alramli
Dec 2 '09 at 16:20
18
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How to remove all debug logging calls before building the release version of an Android app?
...during development and, in production, no debug statements are logged, but errors are silently reported to Crashlytics.
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How to detect if a script is being sourced
...ed.
If return is used in the top-level scope of a non-sourced script, an error message is emitted, and the exit code is set to 1.
(return 0 2>/dev/null) executes return in a subshell and suppresses the error message; afterwards the exit code indicates whether the script was sourced (0) or not ...
Visual Studio Expand/Collapse keyboard shortcuts [duplicate]
...t's CTRL + M + O - letter O, not number 0. The cleanup-edit introduced the error into the answer.
– goodeye
Jul 4 '16 at 1:52
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常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...。范例如下:
显示当前目录的内容
[root@KEDACOM ~]# ls
NRU_CMU_DISK_SIZE_NOTIFY2008 anaconda-ks.cfg install.log install.log.syslog
显示名称以“.”开头的隐藏文件
[root@KEDACOM ~]# ls -a
.bash_histor .bash_profile .cshrc .ssh NRU_CMU_DISK_SIZE_NOTIFY2008 install...
Using reCAPTCHA on localhost
... the allowed domains for the reCAPTCHA account in question to resolve the "ERROR: Invalid domain for site key" error.
– Ben Johnson
Jul 8 '15 at 0:29
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Create a tag in a GitHub repository
...them.
– maaartinus
Oct 12 '17 at 16:05
2
or git push origin v2.0
– prayagup...
Linq: GroupBy, Sum and Count
...ne object and do something if there are more than one result, like log the error.
– Kristianne Nerona
Feb 5 at 16:56
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How does Stack Overflow generate its SEO-friendly URLs?
...',' || c == '.' || c == '/' ||
c == '\\' || c == '-' || c == '_' || c == '=')
{
if (!prevdash && sb.Length > 0)
{
sb.Append('-');
prevdash = true;
}
}
else if ((int)c >= 128)
...