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What is the difference between a static and a non-static initialization code block
...ll instance initialized with this construtor
}
public MyClass(int _myParam) {
if (_myParam > 0) {
myField = myField * 4;
//myField is worth 20 for all instance initialized with this construtor
//if _myParam is greater than 0
} else {
...
How to programmatically set style attribute in a view
...ice that describe my button info. The buttons need to have different style based on a category they belong. That's why I would like to set style dynamicly.
– Lint_
Jan 7 '10 at 8:42
...
How to unzip files programmatically in Android?
...
Based on Vasily Sochinsky's answer a bit tweaked & with a small fix:
public static void unzip(File zipFile, File targetDirectory) throws IOException {
ZipInputStream zis = new ZipInputStream(
new Buffered...
Default value in Doctrine
...
Database default values are not "portably" supported. The only way to use database default values is through the columnDefinition mapping attribute where you specify the SQL snippet (DEFAULT cause inclusive) for the column the fi...
Best practice for Python assert
...essThanZeroException(Exception):
pass
class variable(object):
def __init__(self, value=0):
self.__x = value
def __set__(self, obj, value):
if value < 0:
raise LessThanZeroException('x is less than zero')
self.__x = value
def __get__(self, o...
Why does Clojure have “keywords” in addition to “symbols”?
...
Brian CarperBrian Carper
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...
How to open every file in a folder?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Assignment inside lambda expression in Python
...asons. For example, we will be able to write the following:
import sys
say_hello = lambda: (
message := "Hello world",
sys.stdout.write(message + "\n")
)[-1]
say_hello()
In Python 2, it was possible to perform local assignments as a side effect of list comprehensions.
import sys
say_hell...
ipython reads wrong python version
...on
# -*- coding: utf-8 -*-
import re
import sys
from IPython import start_ipython
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
sys.exit(start_ipython())
And mine works properly like this, but my situation isn't exactly like the OP's.
Ori...
Mongoose populate after save
...l's populate function to do this: http://mongoosejs.com/docs/api.html#model_Model.populate In the save handler for book, instead of:
book._creator = user;
you'd do something like:
Book.populate(book, {path:"_creator"}, function(err, book) { ... });
Probably too late an answer to help you, but...