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Running Bash commands in Python

...cess. From the docs: "This module intends to replace several older modules and functions: os.system, os.spawn". Like in your case: bashCommand = "cwm --rdf test.rdf --ntriples > test.nt" import subprocess process = subprocess.Popen(bashCommand.split(), stdout=subprocess.PIPE) output, error = pr...
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How to check if a table exists in a given schema

... dba.SE discussing "Information schema vs. system catalogs" Alternative: cast to regclass SELECT 'schema_name.table_name'::regclass This raises an exception if the (optionally schema-qualified) table (or other object occupying that name) does not exist. If you do not schema-qualify the table n...
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How to run a program without an operating system?

...ystem running? Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU? ...
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SQL-Server: Error - Exclusive access could not be obtained because the database is in use

...@@spid while (@spid is not null) begin print 'Killing process ' + cast(@spid as varchar) + ' ...' set @sql = 'kill ' + cast(@spid as varchar) exec (@sql) select @spid = min(spid) from master..sysprocesses where dbid = db_id('<database_n...
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How do you determine what SQL Tables have an identity column programmatically

...alue , CASE WHEN last_value < 0 THEN 100 ELSE (1 - CAST(last_value AS FLOAT(4)) / max_value) * 100 END AS [percentLeft] , CASE WHEN CAST(last_value AS FLOAT(4)) / max_value >= @threshold THEN 'warning: approaching max limit' ELSE 'ok...
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How to add parameters to HttpURLConnection using POST using NameValuePair

... with HttpURLConnection (I need to use it this way, can't use HttpPost ) and I'd like to add parameters to that connection such as ...
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How to access random item in list?

...mString = strings.PickRandom(); If all you have is an ArrayList, you can cast it: var strings = myArrayList.Cast<string>(); share | improve this answer | follow ...
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Why does multiprocessing use only a single core after I import numpy?

...er here. It turns out that certain Python modules (numpy, scipy, tables, pandas, skimage...) mess with core affinity on import. As far as I can tell, this problem seems to be specifically caused by them linking against multithreaded OpenBLAS libraries. A workaround is to reset the task affinity us...
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Cocoa Touch: How To Change UIView's Border Color And Thickness?

...as You say. r, g and b can be int, as C (and objC IS C) promotions will cast int r=128 to double when making: r/255.0. By the way You got double, and Clang will cast to CGFloat. – ingconti Jan 28 '18 at 14:54 ...
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Where is Maven' settings.xml located on mac os?

... edited Jun 24 '14 at 19:51 Andy♦ 40.3k2424 gold badges139139 silver badges202202 bronze badges answered Jun 24 '14 at 19:48 ...