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How does the new automatic reference counting mechanism work?
...rty assignments are inexpensive (as discussed here). I know I'm replacing all of my existing Mac GC code with ARC implementations.
As to whether this could be extended to other languages, it seems geared around the reference counting system in Objective-C. It might be difficult to apply this to J...
Convert a positive number to negative in C#
...itive ones negative.
This approach has a single flaw. It doesn't work for all integers. The range of Int32 type is from "-231" to "231 - 1." It means there's one more "negative" number. Consequently, Math.Abs(int.MinValue) throws an OverflowException.
The correct way is to use conditional stateme...
What exactly is Python's file.flush() doing?
...
There's typically two levels of buffering involved:
Internal buffers
Operating system buffers
The internal buffers are buffers created by the runtime/library/language that you're programming against and is meant to speed things up by ...
Best way to check if UITableViewCell is completely visible
...in.x = 0, origin.y = 0, width = 0, height = 0? although on UI they are not all 0s, I am using auto layout, any ideas?
– RainCast
Apr 18 '16 at 21:20
7
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How to retrieve the dimensions of a view?
... getWidth() always return 0. This happens when I format the grid dynamically and also when I use an XML version.
16 An...
How to remove spaces from a string using JavaScript?
...s is the regex for "whitespace", and g is the "global" flag, meaning match ALL \s (whitespaces).
A great explanation for + can be found here.
As a side note, you could replace the content between the single quotes to anything you want, so you can replace whitespace with any other string.
...
Batch file to copy files from one folder to another folder
I have a storage folder on a network in which all users will store their active data on a server. Now that server is going to be replaced by a new one due to place problem so I need to copy sub folders files from the old server storage folder to new server storage folder. I have below ex:
...
How do I add a library project to Android Studio?
... well-known Android library is available in a Maven repository and its installation takes only one line of code in the app/build.gradle file:
dependencies {
compile 'com.jakewharton:butterknife:6.0.0'
}
Adding the library
Here is the full process of adding external Android library to our pr...
git ahead/behind info between master and branch?
...
First of all to see how many revisions you are behind locally, you should do a git fetch to make sure you have the latest info from your remote.
The default output of git status tells you how many revisions you are ahead or behind, b...
How to add a jar in External Libraries in android studio
...pile files('libs/library_name.jar') in build.gradle [You don't have to manually enter this in your build file].
Now you can start using the library in your project.
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