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Convert Enumeration to a Set/List
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If you need Set rather than List, you can use EnumSet.allOf().
Set<EnumerationClass> set = EnumSet.allOf(EnumerationClass.class);
Update: JakeRobb is right. My answer is about java.lang.Enum instead of java.util.Enum...
How to read a large file - line by line?
...line'
The with statement handles opening and closing the file, including if an exception is raised in the inner block. The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't have to worry about large files.
There shou...
How do I parse XML in Python?
...p to the parent of an element, which can slow development down (especially if you don't know this). See python xml query get parent for details.
– Samuel
Nov 26 '14 at 23:01
11
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How do I configure Maven for offline development?
...connection to the internet at some point to be able to use it? Meaning specifically getting the internal maven plugins for compiling, cleaning, packaging, etc?
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“:” (colon) in C struct - what does it mean? [duplicate]
...s a quote from MSDN describing bit fields:
The constant-expression specifies the width of the field in bits. The
type-specifier for the declarator must be unsigned int, signed int, or
int, and the constant-expression must be a nonnegative integer value.
If the value is zero, the declaratio...
How to properly add include directories with CMake
...the Makefile, and also for example in the generated Visual Studio project, if you generate one.
How to use those header files for several targets:
set(HEADER_FILES ${YOUR_DIRECTORY}/file1.h ${YOUR_DIRECTORY}/file2.h)
add_library(mylib libsrc.cpp ${HEADER_FILES})
target_include_directories(mylib P...
Rails formatting date
...he frequently used useful list of Date and Time formats that you could specify in strftime method:
Date (Year, Month, Day):
%Y - Year with century (can be negative, 4 digits at least)
-0001, 0000, 1995, 2009, 14292, etc.
%C - year / 100 (round down. 20 in 2009)
%y - year % 100 (00....
Find and replace with sed in directory and sub directories
...the empty braces '{}', because fish automatically expands the empty braces if not quoted.
– Kevin Cherepski
Apr 5 '18 at 16:47
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Unable to execute dex: GC overhead limit exceeded in Eclipse
...az It depends on your OS and whether you're using a 32-bit or 64-bit JVM. If you're on a 64 bit JVM, you can safely set it to anything smaller than your RAM size minus overhead for OS/other applications. On a 32 bit VM, you'll want to keep it smaller than about 1500M (on Linux) or 1100M (on Window...
Formula px to dp, dp to px android
.... Use this where you want a unit that should render the same real size on different devices.
Convert dp to pixel:
public int dpToPx(int dp) {
DisplayMetrics displayMetrics = getContext().getResources().getDisplayMetrics();
return Math.round(dp * (displayMetrics.xdpi / DisplayMetrics.DENSI...