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When to use generic methods and when to use wild-card?
I am reading about generic methods from OracleDocGenericMethod . I am pretty confused about the comparison when it says when to use wild-card and when to use generic methods.
Quoting from the document.
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What is “lifting” in Haskell?
...ed in an Applicative, such as lists, IO, etc.
Another common lift is lift from Control.Monad.Trans. It transforms a monadic action of one monad to an action of a transformed monad.
In general, "lift" lifts a function/action into a "wrapped" type (so the original function gets to work "under the wr...
How can javascript upload a blob?
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You actually don't have to use FormData to send a Blob to the server from JavaScript (and a File is also a Blob).
jQuery example:
var file = $('#fileInput').get(0).files.item(0); // instance of File
$.ajax({
type: 'POST',
url: 'upload.php',
data: file,
contentType: 'application/my-b...
How to refer environment variable in POM.xml?
...\wlserver(without_12.1) any idea where else maven might be picking this up from ?
– Anand Rockzz
Mar 26 '15 at 23:58
J...
Handler vs AsyncTask
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From Honeycomb on, AsyncTasks are executed on one thread, so no parallelism anymore. You still could run them on a paralel Executor implementation.
– MrSnowflake
May 6 '13 at 15:27
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How to prevent http file caching in Apache httpd (MAMP)
...a VirtualHost (usually placed in httpd-vhosts.conf if you have included it from your httpd.conf)
<filesMatch "\.(html|htm|js|css)$">
FileETag None
<ifModule mod_headers.c>
Header unset ETag
Header set Cache-Control "max-age=0, no-cache, no-store, must-revalidate"
Heade...
Can code that is valid in both C and C++ produce different behavior when compiled in each language?
...haracter ('a') in C/C++ for an explanation of the difference.
Another one from this article:
#include <stdio.h>
int sz = 80;
int main(void)
{
struct sz { char c; };
int val = sizeof(sz); // sizeof(int) in C,
// sizeof(struct sz) in C++
prin...
How to distinguish between left and right mouse click with jQuery
...ut I realized that was only because the alert() prevented the context menu from appearing. :( boo
– jinglesthula
Nov 28 '11 at 22:47
15
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to_string is not a member of std, says g++ (mingw)
...MinGW-w64 version 4.8.1 and it is not working. I copied the exact program from the question. I still get the 'to_string' is not a member of 'std' error. I compiled it as: g++ -std=c++0x -o tostring_test.exe tostring_test.cpp
– zam664
Dec 2 '13 at 16:58
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How to run test cases in a specified file?
...he what's logged when testing it's worth mentioning the -v (verbose) flag. From the docs -v Verbose output: log all tests as they are run. Also print all text from Log and Logf calls even if the test succeeds.
– robstarbuck
Mar 1 '18 at 22:28
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