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What is the difference between .map, .every, and .forEach?
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224
The difference is in the return values.
.map() returns a new Array of objects created by taki...
Multi flavor app based on multi flavor library in Android Gradle
...blishNonDefault true
productFlavors {
market1 {}
market2 {}
}
}
project build.gradle:
apply plugin: 'com.android.application'
android {
....
productFlavors {
market1 {}
market2 {}
}
}
dependencies {
....
market1Compile project(path: ':...
Should I use Python 32bit or Python 64bit
...stallation. Must I use Python 64bit? What are the differences between the 32bit and 64bit Python versions anyway? Do different Python packages (such as south, django, mysqldb etc) support only 32bit/64bit?
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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
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2 Answers
2
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Regex Match all characters between two strings
...the dotall modifier, making the . matching the newline characters.
Update 2:
(?<=is \()(.*?)(?=\s*\))
is matching your example "This is (a simple) sentence". See here on Regexr
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improv...
Adding an identity to an existing column
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You can't alter the existing columns for identity.
You have 2 options,
Create a new table with identity & drop the existing table
Create a new column with identity & drop the existing column
Approach 1. (New table) Here you can retain the existing data values on the newly ...
Reading a huge .csv file
I'm currently trying to read data from .csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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Can't Find Theme.AppCompat.Light for New Android ActionBar Support
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Unique BooleanField value in Django?
...f).
class Character(models.Model):
name = models.CharField(max_length=255)
is_the_chosen_one = models.BooleanField()
def save(self, *args, **kwargs):
if self.is_the_chosen_one:
try:
temp = Character.objects.get(is_the_chosen_one=True)
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