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Difference between int32, int, int32_t, int8 and int8_t
...edef long INT64;
Starting from C99, the designers added stdint.h header file that essentially leverages similar typedefs.
On a windows based system, you may see entries in stdin.h header file as
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int in...
Static function variables in Swift
...atic might be intentional on Apple's part, though one is always welcome to file a bug to request a change. In C, static limits storage of a variable to source-file scope (which is not always the same as class scope), while the placement of the variable declaration determines the lexical scope (i.e. ...
bootstrap popover not showing on top of all elements
...of the popover. You can do that either with the @zindexPopover in the Less files or directly by overriding
.popover {
z-index: 1010; /* A value higher than 1010 that solves the problem */
}
If you can't find a solution, you should try reproducing the bug in something like this jsfiddle - yo...
Getting name of the class from an instance
...o arouse your anger, but this was the second iOS-related answer in your profile. It seems to me to add only that we can refer to an instance as "self" from within its implementation. Would you defend this as adding substantially to the three-year-old accepted answer?
– danh
...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
...rchitecture of the build machine
--host=the architecture that you want the file to run on
However, when you are building toolchains, things can get more complicated. I think that the following is correct (though I can't say I've ever manually compiled a cross-debugger):
Lets say that you have:
...
Java, Classpath, Classloading => Multiple Versions of the same jar/project
...rsion of jars:
URLClassLoader loader1 = new URLClassLoader(new URL[] {new File("httpclient-v1.jar").toURL()}, Thread.currentThread().getContextClassLoader());
URLClassLoader loader2 = new URLClassLoader(new URL[] {new File("httpclient-v2.jar").toURL()}, Thread.currentThread().getContextClassLoader(...
How to swap keys and values in a hash
...
files = {
'Input.txt' => 'Randy',
'Code.py' => 'Stan',
'Output.txt' => 'Randy'
}
h = Hash.new{|h,k| h[k] = []} # Create hash that defaults unknown keys to empty an empty list
files.map {|k,v| h[v]<< k} #...
Does Python support multithreading? Can it speed up execution time?
...ot create an exhaustive list, ever, but the rule-of-thumb is that any I/O (file reading and writing, network sockets, pipes) is handled in C, and a lot of C libraries also release the GIL for their operations, but it is up to the libraries to document this for you.
– Martijn Pi...
Convert blob URL to normal URL
...browser to a server and have the server make it available like an ordinary file.
It is possible convert a blob: URL into a data: URL, at least in Chrome. You can use an AJAX request to "fetch" the data from the blob: URL (even though it's really just pulling it out of your browser's memory, not mak...
Pretty printing JSON from Jackson 2.2's ObjectMapper
...c static void main(String[] args) throws IOException {
byte[] jsonBytes = Files.readAllBytes(Paths.get("C:\\data\\testfiles\\single-line.json"));
ObjectMapper objectMapper = new ObjectMapper();
Object json = objectMapper.readValue( jsonBytes, Object.class );
System.out.println( objectMapper.writ...