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Check to see if python script is running

...nd check for it when you start up. #/usr/bin/env python import os import sys pid = str(os.getpid()) pidfile = "/tmp/mydaemon.pid" if os.path.isfile(pidfile): print "%s already exists, exiting" % pidfile sys.exit() file(pidfile, 'w').write(pid) try: # Do some actual work here finally:...
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SQL Server: Get table primary key using sql query [duplicate]

... Using information_schema (in contrast to the sys. views) is always a good idea as it is the official standard and is implemented in a couple other database systems. – jakubiszon Nov 4 '17 at 17:49 ...
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu

I have been getting the following error when running a SQL to convert my data type value from varchar to datetime . 16 A...
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How to convert Milliseconds to “X mins, x seconds” in Java?

... Based on @siddhadev's answer, I wrote a function which converts milliseconds to a formatted string: /** * Convert a millisecond duration to a string format * * @param millis A duration to convert to a string form * @return A string of the form "X Days Y H...
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Android - Pulling SQlite database android device

...error, try the below. dd if=data.ab bs=1 skip=24 | python -c "import zlib,sys;sys.stdout.write(zlib.decompress(sys.stdin.read()))" | tar -xvf - The result is the apps/app.package.name/ folder containing application data, including sqlite database. For more details you can check the original blog...
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What is boxing and unboxing and what are the trade offs?

... Boxing & unboxing is the process of converting a primitive value into an object oriented wrapper class (boxing), or converting a value from an object oriented wrapper class back to the primitive value (unboxing). For example, in java, you may need to convert a...
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Catch a thread's exception in the caller thread in Python

...ssage passing, so you might look into that. Try this on for size: import sys import threading import Queue class ExcThread(threading.Thread): def __init__(self, bucket): threading.Thread.__init__(self) self.bucket = bucket def run(self): try: raise E...
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How to convert a scala.List to a java.util.List?

How to convert Scala's scala.List into Java's java.util.List ? 9 Answers 9 ...
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How do I convert a dictionary to a JSON String in C#?

I want to convert my Dictionary<int,List<int>> to JSON string. Does anyone know how to achieve this in C#? 13...
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ViewParam vs @ManagedProperty(value = “#{param.id}”)

... could use <f:viewAction> for that instead. Allows for nested <f:converter> and <f:validator> for more fine-grained conversion/validation. Even a <h:message> can be attached. Can be included as GET query string using includeViewParams attribute of <h:link> or includeV...