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Which is the fastest algorithm to find prime numbers?
... a prime hash table size within certain ranges. If N
is something on the order of 2^30, do you really want to do 30000
division tests to search for any factors? Obviously not.
The common practical solution to this problem is a simple test called
an Euler probable prime test, and a more po...
How to install a specific version of a ruby gem?
...u is ignored while
the command runs under sudo (such things as GEM_HOME, etc...). So to
reiterate, as soon as you 'sudo' you are running as the root system
user which will clear out your environment as well as any files it
creates are not able to be modified by your user and will result in
...
How to put comments in Django templates
...
Multiline comment in django templates use as follows ex: for .html etc.
{% comment %} All inside this tags are treated as comment {% endcomment %}
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Scatterplot with marginal histograms in ggplot2
...arying panel width that changes depending on the extent of the axis labels etc. Have a look at ggExtra::align.plots to see the kind of hack that is currently required to align axes.
– baptiste
Dec 18 '11 at 18:51
...
How does functools partial do what it does?
...Roughly, partial does something like this (apart from keyword args support etc):
def partial(func, *part_args):
def wrapper(*extra_args):
args = list(part_args)
args.extend(extra_args)
return func(*args)
return wrapper
So, by calling partial(sum2, 4) you create a ...
Specify custom Date format for colClasses argument in read.table/read.csv
...c_loc : Factor w/ 5 levels "3076WAG0003",..: 1 2 3 3 3 3 3 4 4 5
## $ order_type : Factor w/ 3 levels "PM01","PM02",..: 3 3 1 1 1 1 2 2 3 1
## $ actual_finish: Date, format: "2008-10-15" "2009-10-19" NA "2008-10-11" ...
I think @Greg Snow's answer is far better, as it does not change the d...
Sphinx autodoc is not automatic enough
... line project in Python. It has about 7 base modules. As far as I know, In order to use autodoc I need to write code like this for each file in my project:
...
How do I catch a PHP fatal (`E_ERROR`) error?
... the output buffering callback is envoked. In version 5 and earlier, that order was the reverse (the output buffering callback was followed by the shutdown function). Also, since about 5.0.5 (which is much earlier than the questioner's version 5.2.3), objects are unloaded well before a registered s...
Linking static libraries to other static libraries
...keeping track of the object files, that were added to lib1, themselves, in order to determine whether the loop can be stopped.
#! /bin/bash
lib1="$1"
lib2="$2"
if [ ! -e $lib1.backup ]; then
echo backing up
cp $lib1 $lib1.backup
fi
remove_later=""
new_tmp_file() {
file=$(mktemp)
...
DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”
...globally-accepted format - it's also sortable, and makes the month and day order obvious. (Whereas 06/07/2013 could be interpreted as June 7th or July 6th depending on the reader's culture.)
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