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Linux/Unix command to determine if process is running?
...'^[ ]*[0-9]*'
This approach is suitable for writing a simple empty string test, then even iterating through the discovered PIDs.
#!/bin/bash
PROCESS=$1
PIDS=`ps cax | grep $PROCESS | grep -o '^[ ]*[0-9]*'`
if [ -z "$PIDS" ]; then
echo "Process not running." 1>&2
exit 1
else
for PID in...
mongodb: insert if not exists
... v2.5.4 or there abouts. If you see this message or issue, just get the latest version.
– Kieren Johnstone
May 17 '15 at 20:16
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How to escape @ characters in Subversion managed file names?
...ws you to target a specific revision of that file. For example, "svn info test.txt@1234" will give information about test.txt as it existed in revision 1234.
...
std::enable_if to conditionally compile a member function
...
That's unfortunate. I only tested it on with gcc. Maybe this helps: stackoverflow.com/a/17543296/660982
– jpihl
Jun 10 '14 at 7:52
1...
Is nested function a good approach when required by only one function? [closed]
..., although admittedly not by much in this trivial case:
setup = """
class Test(object):
def separate(self, arg):
some_data = self._method_b(arg)
def _method_b(self, arg):
return arg+1
def nested(self, arg):
def method_b2(self, arg):
return arg+1
...
Terminating a script in PowerShell
...to the conflicting information. Ultimately I always have to perform my own tests to figure it out. So this time I will post my findings.
TL;DR Most people will want to use Exit to terminate a running scripts. However, if your script is merely declaring functions to later be used in a shell, then yo...
How to avoid explicit 'self' in Python?
...
You can use whatever name you want, for example
class test(object):
def function(this, variable):
this.variable = variable
or even
class test(object):
def function(s, variable):
s.variable = variable
but you are stuck with using a name for the scope....
The smallest difference between 2 Angles
...
This passes the test suite gist.github.com/bradphelan/7fe21ad8ebfcb43696b8
– bradgonesurfing
Jul 13 '15 at 8:43
2
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Get names of all files from a folder with Ruby
...an absolute path, Dir[] will return absolute paths:
# as: [ '/home/../home/test/myfile', ... ]
#
Dir[ '/home/../home/test/*' ].select{ |f| File.file? f }
# Need the paths to be canonical?
# as: [ '/home/test/myfile', ... ]
#
Dir[ '/home/../home/test/*' ].select{ |f| File.file? f }.map{ |f| File.exp...
How do I set a cookie on HttpClient's HttpRequestMessage
...("CookieName", "cookie_value"));
var result = await client.PostAsync("/test", content);
result.EnsureSuccessStatusCode();
}
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