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Android- create JSON Array and JSON Object
How can I create a JSON with this format in Android:
Since the API that I will be passing will parse JsonArray then the object.
Or would it be okay if just to pass a json object? Since I will just have to insert 1 transaction per service call.
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Can you do greater than comparison on a date in a Rails 3 search?
... > ?", p[:date]).
order('date ASC, created_at ASC')
or you can also convert everything into the SQL notation
Note.
where("user_id = ? AND notetype = ? AND date > ?", current_user.id, p[:note_type], p[:date]).
order('date ASC, created_at ASC')
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Relative URLs in WordPress
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<?php wp_make_link_relative( $link ) ?>
Convert full URL paths to relative paths.
Removes the http or https protocols and the domain. Keeps the path '/' at the beginning, so it isn't a true relative link, but from the web root base.
Reference: Wordpre...
PostgreSQL wildcard LIKE for any of a list of words
... I think using lower() is ineffective because it will first convert each string to lowercase, which is more costly than only a case-insensitive match
– gilad mayani
Sep 20 '19 at 10:57
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Select rows of a matrix that meet a condition
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This is easier to do if you convert your matrix to a data frame using as.data.frame(). In that case the previous answers (using subset or m$three) will work, otherwise they will not.
To perform the operation on a matrix, you can define a column by nam...
prevent property from being serialized in web API
I'm using an MVC 4 web API and asp.net web forms 4.0 to build a rest API. It's working great:
11 Answers
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How can I read and parse CSV files in C++?
I need to load and use CSV file data in C++. At this point it can really just be a comma-delimited parser (ie don't worry about escaping new lines and commas). The main need is a line-by-line parser that will return a vector for the next line each time the method is called.
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What is the best way to remove accents (normalize) in a Python unicode string?
...f "é"). You passed a regular string to remove_accents, so when trying to convert your string to a unicode string, the default ascii encoding was used. This encoding does not support any byte whose value is >127. When you typed "é" in your shell, your O.S. encoded that, probably with UTF-8 or...
Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...lock()
{
m_.release();
}
};
// A class which uses 'mutex' and 'lock' objects
class foo
{
mutex mutex_; // mutex for locking 'foo' object
public:
void bar()
{
lock scopeLock(mutex_); // lock object.
foobar(); // an operation which may throw an exception
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Learning to write a compiler [closed]
...lf and a bottom-one. The top-half generally takes the source language and converts it into an intermediate representation, and the bottom half takes care of the platform specific code generation.
Nonetheless, one idea for an easy way to approach this topic (the one we used in my compilers class, a...