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Speed up the loop operation in R
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Biggest problem and root of ineffectiveness is indexing data.frame, I mean all this lines where you use temp[,].
Try to avoid this as much as possible. I took your function, change indexing and here version_A
dayloop2_A <- function(temp){
...
How to implement Rate It feature in Android App
...flater.inflate(R.layout.custom_dialog, (ViewGroup)findViewById(R.id.layout_root));
AppRate.with(this).setView(view).monitor();
Specific theme
You can use a specific theme to inflate the dialog.
AppRate.with(this).setThemeResId(int);
Custom dialog
If you want to use your own dialog labels, ove...
Favicon not showing up in Google Chrome [duplicate]
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Upload your favicon.ico to the root directory of your website and that should work with Chrome. Some browsers disregard the meta tag and just use /favicon.ico
Go figure?.....
shar...
Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...er". If you put the mentioned code inside a file called handlers.py on the root of the "scraper" folder, then you could add to your settings.py:
DOWNLOAD_HANDLERS = {
'http': 'scraper.handlers.PhantomJSDownloadHandler',
'https': 'scraper.handlers.PhantomJSDownloadHandler',
}
And voilà, t...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...to that code as GENERATED_CODE.
Login to your server
If you login as the root user, find this file and edit it:
$ vi /etc/profile
Go to the bottom of the file using Shift+G (capital "G") in vi.
Write your environment variable with the GENERATED_CODE, pressing i to insert in vi. Be sure to be i...
How do RVM and rbenv actually work?
...earches each parent directory for an .rbenv-version file until it hits the root of your filesystem. If one is found, its contents are used to set the RBENV_VERSION environment variable.
If RBENV_VERSION is still not set, rbenv tries to set it using the contents of the ~/.rbenv/version file.
If no ve...
Moving matplotlib legend outside of the axis makes it cutoff by the figure box
...er response from the matplotlib mailling list (Thanks goes out to Benjamin Root).
The code I am looking for is adjusting the savefig call to:
fig.savefig('samplefigure', bbox_extra_artists=(lgd,), bbox_inches='tight')
#Note that the bbox_extra_artists must be an iterable
This is apparently simil...
How much faster is C++ than C#?
...ted and error prone.
As Donald Knuth said, "premature optimization is the root of all evil". If you really know for sure that your application will mostly consist of very performance critical arithmetic, and that it will be the bottleneck, and it's certainly going to be faster in C++, and you're su...
How can I declare and use Boolean variables in a shell script?
...ome, consider the following two snippets of code:
This code (if run with root privileges) will reboot your computer:
var=reboot
if $var; then
echo 'Muahahaha! You are going down!'
fi
This code just prints "Nice try." The reboot command is not called.
var=reboot
if [ $var ]; then
echo 'Nice...
Python __str__ versus __unicode__
...l, as it's easy to err in these matters AND "premature optimization is the root of all evil in programming";-).
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