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How to test an Internet connection with bash?
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Ping your default gateway:
#!/bin/bash
ping -q -w 1 -c 1 `ip r | grep default | cut -d ' ' -f 3` > /dev/null && echo ok || echo error
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Is it wrong to use Deprecated methods or classes in Java?
...ormance issue; its too subjective to state that.
– KMån
May 31 '10 at 7:44
1
@KMan A function be...
How can I start an interactive console for Perl?
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I wrote a script I call "psh":
#! /usr/bin/perl
while (<>) {
chomp;
my $result = eval;
print "$_ = $result\n";
}
Whatever you type in, it evaluates in Perl:
> gmtime(2**30)
gmtime(2**30) = Sat Jan 10 13:37:04 2004
>...
Convert line-endings for whole directory tree (Git)
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Piping find to xargs will fail if find matches any files with whitespace, quotes, or other shell meta characters in their path. At the least use find blog -type f -print0 | xargs -0 dos2unix to handle the case of whitespace. Y...
程序员才能听得懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...病毒，趁着日本黑客对系统做攻击的当口，拿到了管理员权限，把原来那批程序员给隔离了。老邓接手以后，重构代码，出了个2.0版，为了开发速度，遗留了一堆BUG没处理。人们纷纷质疑：是不是核心构架太单一，双核会不会好...
Force unmount of NFS-mounted directory [closed]
...ing (including lsof). I caused the problem by breaking out of a backup script that I'm writing. The script mounts and unmounts the directory, but something about breaking out of rsync messed up my mount. I didn't know about the lazy unmount. It may have been the NAS device causing all the troubl...
Android device does not show up in adb list [closed]
I have a HP Slate 21 that is connected to my Windows box using a USB cable. USB debugging is enabled on the device. After adding the proper %SingleAdbInterface% and %CompositeAdbInterface% entries to the android_winusb.inf file, I now see "Android ADB Interface" in my Device Manager. However, ru...
Get hours difference between two dates in Moment Js
...uch questions & answers wouldn't fly.
– Jean-François Fabre♦
Nov 2 '19 at 8:55
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Remove trailing newline from the elements of a string list
... same as other older answers
– Jean-François Fabre♦
Dec 29 '19 at 22:01
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How to get current page URL in MVC 3
...ilding. It has some FBXML tags that are interpreted by the facebook javascript that is referenced on the page.
9 Answers
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