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In Clojure 1.3, How to read and write a file
...site of slurp:
(spit "/tmp/test.txt" "Line to be written" :append true)
PS: To be more explicit about the fact that you are reading and writing to a File and not something else, you could first create a File object and then coerce it into a BufferedReader or Writer:
(reader (file "/tmp/test.txt"...
Registry Key '…' has value '1.7', but '1.6' is required. Java 1.7 is Installed and the Registry is P
...of the JDK and JRE where found in the PATH inside C:\Java\jdk_1.7.0\bin. Oops!
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Facebook share link without JavaScript
...
You could use
<a href="https://www.facebook.com/sharer/sharer.php?u=#url" target="_blank">Share</a>
Currently there is no sharing option without passing current url as a parameter. You can use an indirect way to achieve this.
Create a ser...
What does “%” (percent) do in PowerShell?
... it harder for folks to read/maintain your code - especially people new to PS. Let's face it, the more people that pick up PS, the better.
– Simon Catlin
Apr 3 '14 at 20:17
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Allowed characters in Linux environment variable names
...H=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PWD=/
Use ps aux to verify PID not changed
PID USER TIME COMMAND
1 root 0:00 /bin/sh
12 root 0:00 ps aux
Use python to verify environemnt variable
apk add python
python -c 'import os; print(os.environ["sprin...
How to normalize a path in PowerShell?
...just use: $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath(".\nonexist\foo.txt") Works with non-existant paths too. "x0n" deserves the credit for this btw. As he notes, it resolves to PSPaths, not flilesystem paths, but if you're using the paths in PowerShell, who cares? st...
Is there a built-in function to print all the current properties and values of an object?
...ules', 'path', 'path_hooks', 'path_importer_
ache', 'platform', 'prefix', 'ps1', 'ps2', 'setcheckinterval', 'setprofile', 'setrecursionlimit
, 'settrace', 'stderr', 'stdin', 'stdout', 'subversion', 'version', 'version_info', 'warnoption
', 'winver']
>>>
Another useful feature is help.
&g...
Passing multiple values to a single PowerShell script parameter
...once. To pass multiple hosts to the script, pass it as an array:
myScript.ps1 -Hosts host1,host2,host3 -VLAN 2
...or something similar.
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Get user info via Google API
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Add this to the scope - https://www.googleapis.com/auth/userinfo.profile
And after authorization is done, get the information from - https://www.googleapis.com/oauth2/v1/userinfo?alt=json
It has loads of stuff - including name, public profile url, g...
Check to see if python script is running
...write a simple shell script to check it for you using the return code from ps.
ps up `cat /tmp/mydaemon.pid ` >/dev/null && echo "Running" || echo "Not running"
For extra credit, you can use the atexit module to ensure that your program cleans up its pidfile under any circumstances (wh...