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How to get config parameters in Symfony2 Twig Templates
...sing a parameters.yml instead of parameters.ini), you can store objects or arrays instead of key-value pairs, so you can manage your globals this way:
config.yml (edited only once):
# app/config/config.yml
twig:
globals:
project: %project%
parameters.yml:
# app/config/parameters.yml
proje...
Generate JSON string from NSDictionary in iOS
...
Here are categories for NSArray and NSDictionary to make this super-easy. I've added an option for pretty-print (newlines and tabs to make easier to read).
@interface NSDictionary (BVJSONString)
-(NSString*) bv_jsonStringWithPrettyPrint:(BOOL) pretty...
Remove all unused resources from an android project
...d layoutopt tool used to find, and more)
Unused resources
Inconsistent array sizes (when arrays are defined in multiple configurations)
Accessibility and internationalization problems (hardcoded strings, missing contentDescription, etc)
Icon problems (like missing densities, duplicate icons,...
jQuery UI dialog positioning
... Darn, that's nice but it's deprecated- "Note: The String and Array forms are deprecated." api.jqueryui.com/dialog/#option-position So you'd need to use the position object my/at/of thingy. See the link there about "jQuery UI Position". You could get something like position: { my: "ce...
Selecting a row of pandas series/dataframe by integer index
...
To index-based access to the pandas table, one can also consider numpy.as_array option to convert the table to Numpy array as
np_df = df.as_matrix()
and then
np_df[i]
would work.
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imp...
Play audio with Python
... with:
pip install sounddevice --user
It can play back sound from NumPy arrays, but it can also use plain Python buffers (if NumPy is not available).
To play back a NumPy array, that's all you need (assuming that the audio data has a sampling frequency of 44100 Hz):
import sounddevice as sd
sd....
Is there an “exists” function for jQuery?
... could also use the following. If there are no values in the jQuery object array then getting the first item in the array would return undefined.
if ( $('#myDiv')[0] ) { /* Do something */ }
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Add leading zeroes to number in Java? [duplicate]
...digits > 0 : "Invalid number of digits";
// create variable length array of zeros
char[] zeros = new char[digits];
Arrays.fill(zeros, '0');
// format number as String
DecimalFormat df = new DecimalFormat(String.valueOf(zeros));
return df.format(num);
}
...
ActiveRecord OR query
...
If you want to use an OR operator on one column's value, you can pass an array to .where and ActiveRecord will use IN(value,other_value):
Model.where(:column => ["value", "other_value"]
outputs:
SELECT `table_name`.* FROM `table_name` WHERE `table_name`.`column` IN ('value', 'other_value')
...
JavaScript - Getting HTML form values
.../form-serialize/)
serialize(document.forms[0]);
jQuery
$("form").serializeArray()
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