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Write to .txt file?
...
FILE *f = fopen("file.txt", "w");
if (f == NULL)
{
printf("Error opening file!\n");
exit(1);
}
/* print some text */
const char *text = "Write this to the file";
fprintf(f, "Some text: %s\n", text);
/* print integers and floats */
int i = 1;
float p...
How to drop a database with Mongoose?
...paring a database creation script in Node.js and Mongoose.
How can I check if the database already exists, and if so, drop (delete) it using Mongoose?
...
jQuery selector for the label of a checkbox
If I have a check box with a label describing it, how can I select the label using jQuery? Would it be easier to give the label tag an ID and select that using $(#labelId) ?
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What is the best way to add options to a select from a JavaScript object with jQuery?
...oin(''));
In this way you "touch the DOM" only one time.
I'm not sure if the latest line can be converted into $('#mySelect').html(output.join('')) because I don't know jQuery internals (maybe it does some parsing in the html() method)
...
Postgres: Distinct but only for one column
...l1, col2
from names
This will return any of the rows containing the name. If you want to control which of the rows will be returned you need to order:
select distinct on (name)
name, col1, col2
from names
order by name, col1
Will return the first row when ordered by col1.
distinct on:
SELECT ...
How do I create a datetime in Python from milliseconds?
...
Surely datetime always supports it though? If we've got sub-second precision, it seems wrong to throw it away. If we don't there's no harm done - we just retain that original precision.
– Brian
Apr 14 '09 at 21:00
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Bootstrap table striped: How do I change the stripe background colour?
...t to a separate CSS file, not the actual Bootstrap CSS. It's cascading so if I add it after the bootstrap and it works perfectly and keeps it out of the main bootstrap. Plus then I don't have to carry my own modified bootstrap instead I just add my css to each project that needs this.
...
Requirejs why and when to use shim config
...on't support AMD.
The "init" hook lets you do other advanced things, e.g. if a library would normally export two different things into the global namespace but you want to redefine them under a single namespace. Or, maybe you want to do some monkey patching on a methods in the library that you're l...
SQL join: selecting the last records in a one-to-many relationship
...
If you want to include customers who never made a purchase, then change JOIN purchase p1 ON (c.id = p1.customer_id) to LEFT JOIN purchase p1 ON (c.id = p1.customer_id)
– GordonM
Dec 8 '1...
Delete all but the most recent X files in bash
...d globbing.
inability to distinguish between files and directories (i.e., if directories happened to be among the 5 most recently modified filesystem items, you'd effectively retain fewer than 5 files, and applying rm to directories will fail).
wnoise's answer addresses these issues, but the solu...