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How to convert a string or integer to binary in Ruby?
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You would naturally use Integer#to_s(2), String#to_i(2) or "%b" in a real program, but, if you're interested in how the translation works, this method calculates the binary representation of a given integer using basic operators:
def int_t...
Should everything really be a bundle in Symfony 2.x?
...,
etc.
This way, you would put in the AppBundle only that stuff that is really Symfony2 specific. If you decide to switch to another framework later, you would get rid of the Bundle namespace and replace it with the chosen framework stuff.
Please note that what I'm suggesting here is for app specif...
parsing JSONP $http.jsonp() response in angular.js
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UPDATE: since Angular 1.6
You can no longer use the JSON_CALLBACK string as a placeholder for
specifying where the callback parameter value should go
You must now define the callback like so:
$http.jsonp('some/trusted/url', {jsonpCallbackParam: 'callback'})
Change/access/decla...
Error 1022 - Can't write; duplicate key in table
...ou can not have the same foreign key names in the database tables.
Check all your tables and all your foreign keys and avoid having two foreign keys with the same exact name.
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Python argparse: default value or specified value
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import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--example', nargs='?', const=1, type=int)
args = parser.parse_args()
print(args)
% test.py
Namespace(example=None)
% test.py --example
Namespace(example=1)
% test.py --example 2
Namespace(example=2)
nargs...
Manipulating an Access database from Java without ODBC
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UCanAccess is a pure Java JDBC driver that allows us to read from and write to Access databases without using ODBC. It uses two other packages, Jackcess and HSQLDB, to perform these tasks. The following is a brief overview of how to get it set up.
Option 1: Using...
Eclipse - Unable to install breakpoint due to missing line number attributes
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The above didn't work for me. I had to click the 'Remove all Breakpoints' icon in the Eclipse > Breakpoints view, then re-add the breakpoints. That worked.
– Vik David
May 19 '11 at 14:05
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OnCreateOptionsMenu() not called in Fragment
I have an app which got one activity with 2 fragments placed horizontally.
8 Answers
8...
Creating a simple XML file using python
...ee tutorial. (With example code for loading the best available option from all major ElementTree implementations)
As a final note, either cElementTree or LXML should be fast enough for all your needs (both are optimized C code), but in the event you're in a situation where you need to squeeze out ...
Get the Last Inserted Id Using Laravel Eloquent
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Actually you can do it right in the insert $id = DB::table('someTable')->insertGetId( ['field' => Input['data']);
– Casey
May 15 '14 at 15:05
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