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Using a custom typeface in Android
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This will work, but pre-ICS it will allocate memory for the fonts for each view you instantiate: code.google.com/p/android/issues/detail?id=9904 A way to fix this is to create a globally-accessible static hashmap of all instantiated fonts: code.google.com/p/and...
Difference between Select and ConvertAll in C#
... Difference between ConvertAll and Select is ConvertAll will allocate the size of the list before hand. For a large sequence this will make a performance difference. Thus, if performance is your aim, use ConvertAll. If performance is not a concern, use Select as it's more idiomatic in ...
Optimal number of threads per core
...er things out of your control. But that's the main idea. Some OSes let you allocate processors so only your application has access/usage of said processor!
From my own experience, if you have a lot of I/O, multiple threads is good. If you have very heavy memory intensive work (read source 1, read s...
When to use references vs. pointers
...pret at first sight.
Imho, references are as good as pointers when no (re)allocation nor rebinding (in the sense explained before) is needed. Moreover, if a developer only uses pointers for arrays, functions signatures are somewhat less ambiguous. Not to mention the fact that operators syntax is wa...
Summarizing multiple columns with dplyr? [duplicate]
...#> # A tibble: 3 x 6
#> expression min median `itr/sec` mem_alloc `gc/sec`
#> <bch:expr> <bch:tm> <bch:tm> <dbl> <bch:byt> <dbl>
#> 1 dplyr 2.81ms 2.85ms 328. NA 17.3
#> 2 purrrlyr 7.96ms 8.04ms ...
iOS UIImagePickerController result image orientation after upload
...lling the CG related API, as that caused leads to a large amount of memory allocation. It will only be released when we no longer retain the UIImage.
– Tony Fung Choi Fung
Mar 14 '17 at 7:01
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What is the difference between a .xib file and a .storyboard?
...s between elements defining their position and sizing.
3)Usually fast and allocates less memory.
4)It's not compatible prior to iOS 5 .
5)"Dynamic" and "Prototype" cells can be used easily.
6)Storyboards best to use for the apps with a small to medium amount of screens.
The best Answer I have s...
On localhost, how do I pick a free port number?
...h 65535). The main thing if you have a variable number of listeners is to allocate a range to your app - say 20000-21000, and CATCH EXCEPTIONS. That is how you will know if a port is unusable (used by another process, in other words) on your computer.
However, in your case, you shouldn't have a...
Why does Azure deployment take so long?
...essions as an outsider looking in:
Among other things:
Hardware must be allocated from the available pool of servers
The VHD of the core OS must be uploaded to the machine
A VM instance must be initialized and booted off that VHD image
Your application package must be copied to the VM and install...
“implements Runnable” vs “extends Thread” in Java
...reate separate instance for every thread access. Hence different memory is allocated for every class instances and each has separate counter, the value remains same, which means no increment will happen because none of the object reference is same.
When to use Runnable?
Use Runnable interface when y...