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Creating Threads in python
...tion(arg):
for i in range(arg):
print("running")
sleep(1)
if __name__ == "__main__":
thread = Thread(target = threaded_function, args = (10, ))
thread.start()
thread.join()
print("thread finished...exiting")
Here I show how to use the threading module to creat...
Check that Field Exists with MongoDB
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188
Use $ne (for "not equal")
db.collection.find({ "fieldToCheck": { $exists: true, $ne: null } }...
no acceptable C compiler found in $PATH when installing python
...
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What is the difference between assert, expect and should in Chai?
...e all output the following if you do not use a custom message, and foo === 1:
AssertionError: expected 1 to be true
So while the expect and should interface are nicer to read, it is not like one interface is more naturally informative than the other when an assertion fails. This message, whic...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
I installed LAMP on Ubuntu 12.04 LTS (Precise Pangolin) and then set root password on phpMyAdmin . I forgot the password and now I am unable to login. When I try to change password through terminal I get:
...
What are the GCC default include directories?
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191
In order to figure out the default paths used by gcc/g++, as well as their priorities, you nee...
Is there a “vim runtime log”?
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169
running vim with the -V[N] option will do a pretty hefty runtime log, here N is the debug leve...
How to disassemble one single function using objdump?
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answered Apr 1 '14 at 1:47
Tom TromeyTom Tromey
18.1k3535 silver badges5454 bronze badges
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MongoDB aggregation framework match OR
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170
$match: { $or: [{ author: 'dave' }, { author: 'john' }] }
Like so, since the $match operator...
How do I convert a String to an InputStream in Java?
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1433
Like this:
InputStream stream = new ByteArrayInputStream(exampleString.getBytes(StandardChar...