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Python 2.7: Print to File
...
But you can have the same effect without using the function, too:
print >>f1, 'This is a test'
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Open two instances of a file in a single Visual Studio session
...orks, but on my VS 2010 the shortcut [Ctrl] [Shift] [N] was bound to File > New > Project
– user1556435
Feb 20 '16 at 13:20
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How do I test a file upload in rails?
...pload as the parameter for the upload.
e.g.:
post :bookmark, :bulkfile => bulk_json
Or in Rails 5: post :bookmark, params: {bulkfile: bulk_json}
This will run through the simulated post process using a Tempfile copy of the file in your fixtures directory and then return to your unit test so y...
Fix code indentation in Xcode
...Control-I still works for me in Xcode 11. It's also in the menu in Editor > Structure > Re-Indent.
– Josh Brown
Nov 18 '19 at 22:02
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Count number of matches of a regex in Javascript
...r: Generic Pattern Counter
// THIS IS WHAT YOU NEED
const count = (str) => {
const re = /YOUR_PATTERN_HERE/g
return ((str || '').match(re) || []).length
}
For those that arrived here looking for a generic way to count the number of occurrences of a regex pattern in a string, and don't want...
Getting a timestamp for today at midnight?
...you would get today's date at midnight.
$today = new DateTime();
$today->setTime(0,0);
Or if you're using PHP 5.4 or later you can do it this way:
$today = (new DateTime())->setTime(0,0);
Then you can use the echo $today->format('Y-m-d'); to get the format you want your object output...
Types in MySQL: BigInt(20) vs Int(20)
...'ll use 401421228216, which is 101110101110110100100011101100010111000 (length 39 characters)
If you have INT(20) for system this means allocate in memory minimum 20 bits. But if you'll insert value that bigger than 2^20, it will be stored successfully, only if it's less then INT(32) -> 214748...
Rails: update_attribute vs update_attributes
...at the top.
Your example is correct.
Object.update_attributes(:field1 => "value", :field2 => "value2", :field3 => "value3")
or
Object.update_attributes :field1 => "value", :field2 => "value2", :field3 => "value3"
or if you get all fields data & name in a hash say params...
jQuery, simple polling example
...e() // optional boilerplate providing the initial 'then()'
.then( () => $.Deferred( d=>setTimeout(()=>d.resolve(),5000) ) ) // sleep
.then( () => $.get('/my-api') ) // initiate AJAX
.then( response =>
{
if ( JSON.parse(response).my_result == my_target ) pol...
How to round up a number in Javascript?
... return Math.ceil(num * precision) / precision
}
roundUp(192.168, 1) //=> 192.2
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