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How to update SQLAlchemy row entry?
...e, you can get SQLAlchemy to be smarter about incrementing, getting it to happen on the database side instead of the Python side. Doing it within the database is better since it's less vulnerable to data corruption (e.g. two clients attempt to increment at the same time with a net result of only on...
Array.Copy vs Buffer.BlockCopy
... upon passing the native 32-bit width. Thus I assume the same effect would apply to long buffers as well.
For buffer sizes exceeding ~100, explicit loop copying quickly becomes much slower than the other 2 methods (with the one particular exception just noted). The difference is most noticeable wit...
Explain Python entry points?
...g_resources mechanism to get the console_scripts and then create a shell wrapper around them. Inspiring? Use these. They are good for more than just console_scripts.
– Bruno Bronosky
Mar 11 '15 at 21:37
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Accessing an SQLite Database in Swift
I'm looking for a way to access an SQLite database in my app with Swift code.
12 Answers
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Should unit tests be written for getter and setters?
...ewing seeds of conceptual modelling." Conceptual Modeling: Foundations and Applications. Springer Berlin Heidelberg, 2009. 1-9.
...and how TDD solves it
It is the documentation part of TDD that ensures that the specifications of the system and its code are always consistent.
Design first, impleme...
Why is String immutable in Java?
...s discussed in Why String is Stored in String Constant Pool article, every application creates too many string objects and in order to save JVM from first creating lots of string objects and then garbage collecting them. JVM stores all string objects in a separate memory area called String constant ...
C# 'is' operator performance
...t casting is redundant.
If you are going to cast anyway, here is a better approach:
ISpecialType t = obj as ISpecialType;
if (t != null)
{
// use t here
}
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How to trigger Autofill in Google Chrome?
...nabling autocomplete.
Google wrote a pretty nice guide for developing web applications that are friendly for mobile devices. They have a section on how to name the inputs on forms to easily use auto-fill. Eventhough it's written for mobile, this applies for both desktop and mobile!
How to Enable ...
Canary release strategy vs. Blue/Green
...s exactly like the old until someone flips a feature toggle. Breaking your application into small, independently releaseable services is another, since there is less to test and less that can break.
You need to do a canary release if you're not completely certain that the new version will function ...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...and realize that there are a better set of names for my models in my Rails app. Is there any way to use a migration to rename a model and its corresponding table?
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