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Detect HTTP or HTTPS then force HTTPS in JavaScript
... answered Jul 7 '12 at 12:20
b1_b1_
1,9522323 silver badges3636 bronze badges
...
Efficiently test if a port is open on Linux?
...t recent distros ship with: Fedora, Centos, etc. (nmap-ncat-6.01-9.fc18.x86_64)
– Zack
Dec 20 '15 at 14:13
9
...
MySQL “NOT IN” query
...on%';
+-------------------------+------------------------------+
| Variable_name | Value |
+-------------------------+------------------------------+
| innodb_version | 1.1.8 |
| protocol_version | 10 |...
How to format a number as percentage in R?
...s pointed out by @DzimitryM, percent() has been "retired" in favor of label_percent(), which is a synonym for the old percent_format() function.
label_percent() returns a function, so to use it, you need an extra pair of parentheses.
library(scales)
x <- c(-1, 0, 0.1, 0.555555, 1, 100)
label_pe...
How to upload a file to directory in S3 bucket using boto
......
import boto
import boto.s3
import sys
from boto.s3.key import Key
AWS_ACCESS_KEY_ID = ''
AWS_SECRET_ACCESS_KEY = ''
bucket_name = AWS_ACCESS_KEY_ID.lower() + '-dump'
conn = boto.connect_s3(AWS_ACCESS_KEY_ID,
AWS_SECRET_ACCESS_KEY)
bucket = conn.create_bucket(bucket_name,
locatio...
How do I execute any command editing its file (argument) “in place” using bash?
...iting it out. For example, with perl:
uniq temp.txt | perl -e 'undef $/; $_ = <>; open(OUT,">temp.txt"); print OUT;'
Here, the perl part reads the complete output from uniq in variable $_ and then overwrites the original file with this data. You could do the same in the scripting languag...
Difference between map and collect in Ruby?
...
There's no difference, in fact map is implemented in C as rb_ary_collect and enum_collect (eg. there is a difference between map on an array and on any other enum, but no difference between map and collect).
Why do both map and collect exist in Ruby? The map function has many namin...
Using ConfigurationManager to load config from an arbitrary location
... to attach configuration file to dll.
AppDomain.CurrentDomain.SetData("APP_CONFIG_FILE", <Full_Path_To_The_Configuration_File>);
Example:
AppDomain.CurrentDomain.SetData("APP_CONFIG_FILE", @"C:\Shared\app.config");
More details may be found at this blog.
Additionally, this other answer...
How to initialize a two-dimensional array in Python?
...
A pattern that often came up in Python was
bar = []
for item in some_iterable:
bar.append(SOME EXPRESSION)
which helped motivate the introduction of list comprehensions, which convert that snippet to
bar = [SOME EXPRESSION for item in some_iterable]
which is shorter and sometimes cle...
Most lightweight way to create a random string and a random hexadecimal number
...xrange(30))", "import random")
>>> t2 = timeit.Timer("binascii.b2a_hex(os.urandom(15))", "import os, binascii")
>>> t3 = timeit.Timer("'%030x' % random.randrange(16**30)", "import random")
>>> for t in t1, t2, t3:
... t.timeit()
...
28.165037870407104
9.02927398681640...