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How to join components of a path when you are constructing a URL in Python
...ng for a simple way to join them:
>>> url = 'https://api.foo.com/orders/bartag?spamStatus=awaiting_spam&page=1&pageSize=250'
Doing some looking around:
>>> split = urlparse.urlsplit(url)
>>> split
SplitResult(scheme='https', netloc='api.foo.com', path='/orders/...
Ship an application with a database
... Android requires that you create a class that extends SQLiteOpenHelper in order to work with a Sqlite database.)
package android.example;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.content.Context;
import a...
What is Express.js?
...or. I use MongoDB for more complex relationships, like line-item <-> order <-> user relationships. There are modules (most notably connect-redis) that will work with Express.js. You will need to install the Redis database on your server.
Here is a link to the Express 3.x guide: https://...
What is Mocking?
...t error)
This creating imaginary—similar to real is known as mocking.
In order to do this, you can't use your original code (your original code doesn't have the pre-inserted responses, right?). You must add something to it, inject/insert that dummy data which isn't normally needed (or a part of yo...
Label Alignment in iOS 6 - UITextAlignment deprecated
...nstants file -- which must itself include #import <UIKit/UIKit.h> in order to ever know about the NSText... constants)…
#ifdef NSTextAlignmentCenter // iOS6 and later
# define kLabelAlignmentCenter NSTextAlignmentCenter
# define kLabelAlignmentLeft NSTextAlignmentLeft
# define...
getenv() vs. $_ENV in PHP
...$_ENV is not always populated due to different configurations of variables_order so it's best if you avoid $_ENV if you don't control the server configuration.
So, for the most portable PHP code:
Use getenv.
Use the correct case for the environment variable name.
...
Is volatile expensive?
...ation on x86, and is as fast as a normal variable read (disregarding the reordering constraints of volatile)?
4 Answers
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Is it expensive to use try-catch blocks even if an exception is never thrown?
...erved as though its statements, as written in the source code, executed in order up to some line.
Because in a try block an exception can be thrown (at any line in the try block! Some exceptions are thrown asynchronously, such as by calling stop on a Thread (which is deprecated), and even besides t...
Should I always return IEnumerable instead of IList?
...is that it allows you to work with the broadest range of input possible in order to get as much reuse out of a component as possible. On the other hand, since you already know exactly what kind of object you have handy, there's not much point in masking it.
– Mel
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Mockito - difference between doReturn() and when()
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