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SQLAlchemy: Creating vs. Reusing a Session
...age placing configuration options for creating new Session objects in just one place. It is optional, in that you could just as easily call Session(bind=engine, expire_on_commit=False) anytime you needed a new Session, except that its verbose and redundant, and I wanted to stop the proliferation o...
Performance optimization strategies of last resort [closed]
...ds.
Now it is harder to find obvious culprits, but there are a few smaller ones that I can do something about, and the time drops to 13 sec.
Now I seem to have hit a wall. The samples are telling me exactly what it is doing, but I can't seem to find anything that I can improve. Then I reflect on t...
Git for beginners: The definitive practical guide
...This will destroy all revision history, all your tags, everything git has done. It will not touch the "current" files (the files you can currently see), but previous changes, deleted files and so on will be unrecoverable!
sh...
How can I randomize the lines in a file using standard tools on Red Hat Linux?
...
And a Perl one-liner you get!
perl -MList::Util -e 'print List::Util::shuffle <>'
It uses a module, but the module is part of the Perl code distribution. If that's not good enough, you may consider rolling your own.
I tried us...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
...efined with that has empty slots that won't be iterated over with map() or one of its friends.
– alex
Dec 15 '15 at 23:09
70
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Deleting folders in python recursively
...Does the rmtree deleted the entire directory? I guess it is similar to the one rm -Rf $DIR
– sriram
Oct 29 '12 at 8:31
7
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High Quality Image Scaling Library [closed]
...eric;
using System.Drawing;
using System.Drawing.Imaging;
namespace DoctaJonez.Drawing.Imaging
{
/// <summary>
/// Provides various image untilities, such as high quality resizing and the ability to save a JPEG.
/// </summary>
public static class ImageUtilities
{ ...
Any good ORM tools for Android development? [closed]
Anyone working on the Android ('gPhone') have or know of a place where I can find a good ORM tool for it? The code is written in Java, and the database is SQLite. What I would like to find is a tool that given the object definition, can auto-generate the tables and the CRUD functions (that would be ...
How do I use IValidatableObject?
...that IValidatableObject is used to validate an object in a way that lets one compare properties against each other.
7 Ans...
Is Javascript a Functional Programming Language?
...functional. Being multi-paradigm implies supporting multiple paradigms. Is one of these paradigms functional programming?
– jalf
Oct 18 '10 at 20:01
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