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How to check if a symlink exists
...else
echo "=> File doesn't exist"
fi
the result of above is like:
root@linux:~# ./sym.sh /etc/passwd
you entry is not symlink
root@linux:~# ./sym.sh /usr/mda
your entry is symlink
root@linux:~# ./sym.sh
=> File doesn't exist
...
How to check whether a script is running under Node.js?
...it:
Edit: to your updated question:
(function () {
// Establish the root object, `window` in the browser, or `global` on the server.
var root = this;
// Create a reference to this
var _ = new Object();
var isNode = false;
// Export the Underscore object for **CommonJS*...
Signal handling with multiple threads in Linux
...SIGHUP, the signal is sent to process, which is received by and handled by root thread. Using POSIX threads, you can also sent SIGTERM to individual threads as well, but I suspect you are asking about what happens when the OS sends the signal to the process.
In 2.6, SIGTERM will cause child threads...
Is there already a Google+ API? [closed]
... code to read a public profile, post, and relationship data, cache it in a MySQL database, and serve the data to a front-end as a JSON or JSONP service.
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CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
CREATE TABLE IF NOT EXISTS works on mysql but fails with SQL Server 2008 R2.
What is the equivalent syntax?
1 Answer
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Difference between datetime and timestamp in sqlserver? [duplicate]
... by database system?im sorry im new to server side programming. i am using mysql sa database and now i am using xampp as my local host.
– Brownman Revival
May 19 '15 at 6:32
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Remove duplicate entries using a Bash script [duplicate]
...s. Interestingly enough the same record set took 15.1 seconds to perform a MySQL DISTINCT query on.
– Tegan Snyder
Feb 11 '16 at 19:13
1
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Is there a way to “limit” the result with ELOQUENT ORM of Laravel?
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Apache not starting on MAMP Pro
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千万别惹程序员 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...一些精细的调优工作，明显不行。这和Ruby很像。
PHP没有MySQL，明显是被幽默了一把。不过最近对PHP的批评越来越多，不过，facebook的PHP的引擎HiPo已经很牛B了。
Perl是一本日本武士刀，是忍者玩的语言。
VB，就是一个玩具。你...