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Batch files - number of command line arguments
...Have tested this out to 2500 arguments as a function and used it to define arrays of same size. Dont ask me why exactly. Mostly just learning what batch is capable of.
– T3RR0R
Jan 4 at 12:56
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Reading specific lines only
... file into memory. You might as well call file.read().split('\n') then use array index lookups to get the line of interest...
– duhaime
Jun 4 '18 at 14:28
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Disable cache for some images
...ers change.
To solve this problem, I needed to hash $_GET but since it is array here is the solution:
$chart_hash = md5(implode('-', $_GET));
echo "<img src='/images/mychart.png?hash=$chart_hash'>";
Edit:
Although the above solution works just fine, sometimes you want to serve the cached ...
matplotlib colorbar for scatter
...
From the matplotlib docs on scatter 1:
cmap is only used if c is an array of floats
So colorlist needs to be a list of floats rather than a list of tuples as you have it now.
plt.colorbar() wants a mappable object, like the CircleCollection that plt.scatter() returns.
vmin and vmax can then...
Difference of keywords 'typename' and 'class' in templates?
...template that should accept any type as T, including built-ins (such as an array )
template<typename T>
class Foo { ... }
For a template that will only work where T is a real class.
template<class T>
class Foo { ... }
But keep in mind that this is purely a style thing some people u...
How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
...this code in your index.js or server.js file and change the allowed origin array according to your requirement.
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Html table tr inside td
...s in td, infact I've put many tr s inside some td s because my app renders arrays of objects within some properties, and it works across all browsers, (don't know about IE, as I did not test it in IE), anyone interested can check it out - stackblitz.com/edit/angular-u7aman , Note: it is an Angular a...
Is there a way to get a collection of all the Models in your Rails app?
... Class class...
ActiveRecord::Base.send :subclasses
This will return an array of classes. So you can then do
ActiveRecord::Base.send(:subclasses).map(&:name)
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How to deal with cyclic dependencies in Node.js
...(MongoDB) models; helps me to fix a problem when the BlogPost model has an array with references to comments, and each Comment model has reference to the BlogPost.
– Oleg Zarevennyi
Mar 26 '19 at 18:40
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What is the purpose of fork()?
...ork returns 0 in the child process. Child executes this.
// new argv array for the child process
const char *argv[] = {"arg1", "arg2", "arg3", NULL};
// now start executing some other program
exec("/path/to/a/program", argv);
}
The shell spawns a child process using exec and wai...