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What is an ORM, how does it work, and how should I use one? [closed]
... case with a pseudo language:
You have a book class, you want to retrieve all the books of which the author is "Linus". Manually, you would do something like that:
book_list = new List();
sql = "SELECT book FROM library WHERE author = 'Linus'";
data = query(sql); // I over simplify ...
while (row ...
UIImage: Resize, then Crop
...lways set to the full screen size of the device.
@implementation UIImage (Extras)
#pragma mark -
#pragma mark Scale and crop image
- (UIImage*)imageByScalingAndCroppingForSize:(CGSize)targetSize
{
UIImage *sourceImage = self;
UIImage *newImage = nil;
CGSize imageSize = sourceImage...
Can you do a partial checkout with Subversion?
...ight find useful. From the documentation:
... sparse directories (or shallow checkouts) ... allows you to easily check out a working copy—or a portion of a working copy—more shallowly than full recursion, with the freedom to bring in previously ignored files and subdirectories at a later tim...
AngularJS sorting by property
...
Don't forget that parseInt() only works for Integer values. To sort string values you need to swap this:
array.sort(function(a, b){
a = parseInt(a[attribute]);
b = parseInt(b[attribute]);
return a - b;
});
with this:
array.sort(function(a, b){
var alc = a[attribute].toLowerCase(),...
android.view.InflateException: Binary XML file line #12: Error inflating class
...
Try to check your language bundle, probably a string resource is missing. This was causing a problem in my case.
– Mohammed Subhi Sheikh Quroush
Apr 17 '16 at 18:16
...
When to use enumerateObjectsUsingBlock vs. for
...
Ultimately, use whichever pattern you want to use and comes more naturally in the context.
While for(... in ...) is quite convenient and syntactically brief, enumerateObjectsUsingBlock: has a number of features that may or may not prove interesting:
enumerateObjectsUsingBlock: will be as fas...
Constructors vs Factory Methods [closed]
...
Use a factory only when you need extra control with object creation, in a way that couldn't be done with constructors.
Factories have the possibility of caching for example.
Another way to use factories is in a scenario where you do not know the type you w...
How do I get Flask to run on port 80?
...roxy HTTP traffic through apache2 to Flask.
This way, apache2 can handle all your static files (which it's very good at - much better than the debug server built into Flask) and act as a reverse proxy for your dynamic content, passing those requests to Flask.
Here's a link to the official documen...
Android: alternate layout xml for landscape mode
...can I have one layout for landscape and one for portrait? I want to assume extra width and conserve vertical space when the user rotates the phone over sideways.
...
Get names of all keys in the collection
I'd like to get the names of all the keys in a MongoDB collection.
21 Answers
21
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