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Why does Python code run faster in a function?
...hen a function is compiled, the local variables are stored in a fixed-size array (not a dict) and variable names are assigned to indexes. This is possible because you can't dynamically add local variables to a function. Then retrieving a local variable is literally a pointer lookup into the list and...
How to get the current taxonomy term ID (not the slug) in WordPress?
...obal $post;
$terms = wp_get_post_terms( $post->ID, 'YOUR_TAXONOMY_NAME',array('fields' => 'ids') );
print_r($terms);
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Rails: Why does find(id) raise an exception in rails? [duplicate]
... id - This can either be a specific id (1), a list of ids (1, 5, 6), or an array of ids ([5, 6, 10]). If no record can be found for all of the listed ids, then RecordNotFound will be raised.
If you don't want the exception to be raised, use find_by_id, which will return nil if it can't find an obj...
Resource interpreted as Script but transferred with MIME type text/plain - for local file
...xt for me the javascript code had thrown errors. I had some strings (in an array) containing letters found in UTF-8 encoding seen in east-europian languages like "ő". "Gergő" is nice comon Hungarian first name. The errors also has gone thanks god, since I could not run my code - but I did not inve...
Extract a regular expression match
...and function except that the object is a vector of strings (rather than an array) and the modifier is a regular expression (rather than a margin):
library(gsubfn)
x <- c("xy13", "ab 12 cd 34 xy")
strapply(x, "\\d+", as.numeric)
# list(13, c(12, 34))
This says to match one or more digits (\d+) ...
How to turn on (literally) ALL of GCC's warnings?
...n -Waggressive-loop-optimizations -Waliasing -Walign-commons -Wampersand -Warray-bounds -Warray-temporaries -Wassign-intercept -Wattributes -Wbad-function-cast -Wbool-compare -Wbuiltin-macro-redefined -Wc++-compat -Wc++0x-compat -Wc++14-compat -Wc-binding-type -Wc90-c99-compat -Wc99-c11-compat -Wcas...
How to get WordPress post featured image URL
...
If you want JUST the source, and not an array with other information:
<?php $url = wp_get_attachment_url( get_post_thumbnail_id($post->ID), 'thumbnail' ); ?>
<img src="<?php echo $url ?>" />
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How to Debug Variables in Smarty like in PHP var_dump()
...hould work:
{$var|@print_r}
or
{$var|@var_dump}
The @ is needed for arrays to make smarty run the modifier against the whole thing, otherwise it does it for each element.
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Why use prefixes on member variables in C++ classes
...tory, C++ strings are by common convention pointers to nul-terminated char arrays, and it's not really all that difficult to know that "customerName" is a string!
However, I do use prefixes to specify the usage of a variable (essentially "Apps Hungarian", although I prefer to avoid the term Hungari...
How to write a scalable Tcp/Ip based server
...eceives data from the client. For BeginReceive, you need to give it a byte array, which is where it will copy the data when the client sends data. The ReceiveCallback method will get called, which is how we handle receiving data.
private void ReceiveCallback(IAsyncResult result)
{
//get our conne...