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Would it be beneficial to begin using instancetype instead of id?
...ve-C
With that out of the way, let's move on and explain why it's a good idea.
First, some definitions:
@interface Foo:NSObject
- (id)initWithBar:(NSInteger)bar; // initializer
+ (id)fooWithBar:(NSInteger)bar; // class factory
@end
For a class factory, you should always use instancetype. ...
What exactly is a reentrant function?
...he definition quote below it. And point is that this might not imply other ideas of safety.
– Joe Soul-bringer
May 10 '10 at 0:30
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Django dynamic model fields
...oth worlds: dynamic fields and relational database. However, hstore is not ideal performance-wise, especially if you are going to end up storing thousands of items in one field. It also only supports strings for values.
#app/models.py
from django.contrib.postgres.fields import HStoreField
class So...
How can I exclude all “permission denied” messages from “find”?
...on could be regarded as optional at the terminal, but would be a very good idea to use it in a script so that error messages appear on standard error.
There are endless variations on this theme, depending on what you want to do. This will work on any variant of Unix with any Bourne shell derivativ...
OPTION (RECOMPILE) is Always Faster; Why?
...ing frequently over time or be fairly static. This will give you a better idea of how to build an efficient query. But also when debugging query performance have a basis for building a hypothesis as to why it is slow or inefficient.
...
Is git-svn dcommit after merging in git dangerous?
...g those local change commits than using cherry-pick, so if anybody has any ideas they would be welcome.
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Iterator invalidation rules
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Good idea, just to remark: I think that the associative containers could be folded together in a single line, and it could be worth then adding another line of the unordered associative ones... though I am not sure how the rehashi...
In what cases could `git pull` be harmful?
...ou are trying to review code in your own working branch. That's not a good idea, just create a new branch, pull --rebase=preserve and then toss that branch (or merge it if you want).
– funkaster
Mar 12 '14 at 17:08
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
... I need, except that whites get overlayed with the color as well. What I'm ideally looking for is something like the "Color" blending mode in Photoshop, where the graphic retains its transparency and luminosity, and only modifies the color of the image. For example:
becomes After doing som...
How to color System.out.println output? [duplicate]
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it works on Win7 in Idea14
– nahab
Jul 22 '16 at 13:32
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