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How to use `subprocess` command with pipes
...s.python.org/2/library/subprocess.html#replacing-shell-pipeline
I haven't tested the following code example but it should be roughly what you want:
query = "process_name"
ps_process = Popen(["ps", "-A"], stdout=PIPE)
grep_process = Popen(["grep", query], stdin=ps_process.stdout, stdout=PIPE)
ps_pr...
clear javascript console in Google Chrome
...nly tried this in chrome, so I dont know how cross-browser it is.
EDIT: I tested this in Chrome, IE, Firefox, and Opera. It works in Chrome, MSIE and Opera's default consoles, but not in Firefox's, however, it does work in Firebug.
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What does this mean: Failure [INSTALL_FAILED_CONTAINER_ERROR]?
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Confirm. Error on SD was the reason for me. I tested it removing "prefer external" from manifest - its installed ok.
– djdance
Sep 4 '14 at 13:20
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Change UITextField and UITextView Cursor / Caret Color
...does not work for me with whiteColor but does work with every other color (testing on iOS 8). I had to set color that is almost white but not white to make it work.
– Leszek Szary
Feb 15 '17 at 18:15
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How can I create an error 404 in PHP?
...nd" page that you might be expecting, e.g.:
Not Found
The requested URL /test.php was not found on this server.
That's because the web server doesn't send that page when PHP returns a 404 code (at least Apache doesn't). PHP is responsible for sending all its own output. So if you want a similar p...
Get current folder path
...tion.Assembly.GetExecutingAssembly().Location is the complete -- if you're testing from Immediate Window
– The Red Pea
Dec 16 '15 at 20:32
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JavaScript: Overriding alert()
... to time.
We just defined our own alert() function and voila.
It was for testing purposes only, we bought full version later, so nothing immoral going on here ;-)
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Pipe subprocess standard output to a variable [duplicate]
...case, I knew usage is generally dumped to stderr. But in general, a simple test is to cmd > /dev/null if you still see output it's going to stderr. Confirm by piping stderr cmd 2> /dev/null and it should vanish into /dev/null.
– moinudin
Dec 23 '10 at 0:1...
What is the purpose of Order By 1 in SQL select statement?
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Tested and working in SQL Server ;WITH cte AS( SELECT 1 AS Col1, 'z' AS Col2 UNION SELECT 2 AS Col1, 'y' AS Col2 UNION SELECT 3 AS Col1, 'x' AS Col2 ) SELECT Col2, Col1 FROM cte ORDER BY 1
– Ivanzin...
“A project with an Output type of Class Library cannot be started directly”
...ates of Projects).
In the newly added project, you can implement logic to test your Class Library.
Output type of the project you can find and change by the following steps:
Right click on project in Solution Explorer -> Properties.
In opened tab with properties select Application and there w...