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What is NODE_ENV and how to use it in Express?
...e environment variable as a one-off, you can do so from the command line:
linux & mac: export NODE_ENV=production
windows: $env:NODE_ENV = 'production'
In the long term, you should persist this so that it isn't unset if you reboot - rather than list all the possible methods to do this, I'll le...
What is the purpose of the EBP frame pointer register?
...e exceptions, too. You'll find it (with objdump -h) in most binaries on a Linux system, It's about 16k for /bin/bash, vs. 572B for GNU /bin/true, 108k for ffmpeg. There is a gcc option to disable generating it, but it's a "normal" data section, not a debug section that strip removes by default. ...
Profiling Vim startup time
...hich is not obvious (but important) from the raw vim profile output. Bash, Python, R, Ruby are supported for creating the profiling results.
You will get a result figure like this:
Along with text output like this:
Generating vim startup profile...
Parsing vim startup profile...
Crunch...
asynchronous vs non-blocking
...
ready state IO rather than completion state IO; on Linux see libaio
– Will
Apr 12 '10 at 21:26
5
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Generate all permutations of a list without adjacent equal elements
... finding the element and dealing with it first.
I don't know enough about python to write this properly, so I took the liberty to copy the OP's implementation of a previous version from github:
# Sort the list
a = sorted(lst)
# Put the element occurring more than half of the times in front (if ne...
Setting up FTP on Amazon Cloud Server [closed]
...e ports for the ftp client data connections.
I'm not that familiar with linux, but the commands you posted are the steps to install the ftp server, configure the ec2 firewall rules (through the AWS API), then configure the ftp server to use the ports you allowed on the ec2 firewall.
So this step...
Peak detection in a 2D array
I'm helping a veterinary clinic measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions.
...
Django set field value after a form is initialized
...
Is there a different way to do this is Django 1.7/Python 3.4? This isn't working for me
– Jeremy
Jan 12 '15 at 22:01
1
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...y O(N2) due to the complexity of multiplying the large numbers. Below is a Python implementation. It takes about 0.5 seconds to calculate for N=50,000.
def max_chars(n):
dp = [0] * (n+1)
for i in xrange(n):
dp[i+1] = max(dp[i+1], dp[i]+1) # press a
for j in xrange(i+3, min(i+7, n+1)):
...
Mercurial stuck “waiting for lock”
...her an older version of Mercurial accessing the repository or a problem in Python's socket.gethostname() call on certain versions of Windows.)
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