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What does “=>” mean in PHP?
...y giving you the key, It actually only gives you a value:
$array = array("test" => "foo");
foreach($array as $key => $value)
{
echo $key . " : " . $value; // Echoes "test : foo"
}
foreach($array as $value)
{
echo $value; // Echoes "foo"
}
...
How to convert List to List?
...List<string> sss = new List<string>(); IEnumerable<int> test1 = sss.Select<string, int>(x => Convert.ToInt32(x)); but this does not: IEnumerable<int> test2 = sss.Select<string, int>(Convert.ToInt32); The error is ambiguous call between the string,int,int and s...
How do I use extern to share variables between source files?
... for the variable is allocated in another file.
Say you have two .c-files test1.c and test2.c. If you define a global variable int test1_var; in test1.c and you'd like to access this variable in test2.c you have to use extern int test1_var; in test2.c.
Complete sample:
$ cat test1.c
int test1_va...
Android Calling JavaScript functions in WebView
...es to do below - from the android app, call a javascript function with a test message, which inturn calls a java function back in the android app that displays test message via toast.
...
Upload files with HTTPWebrequest (multipart/form-data)
...load");
HttpUploadFile("http://your.server.com/upload",
@"C:\test\test.jpg", "file", "image/jpeg", nvc);
It could be extended to handle multiple files or just call it multiple times for each file. However it suits your needs.
...
Gets byte array from a ByteBuffer in java
... when the backing array is longer, so you must not use their equality as a test of when bb.array() is correct. See ByteBuffer.slice().
– cdunn2001
Sep 26 '12 at 0:01
1
...
How to loop through an array containing objects and access their properties
...ed as a pure function.
2. Check if any of the elements in an array pass a test
const people = [
{name: 'John', age: 23},
{name: 'Andrew', age: 3},
{name: 'Peter', age: 8},
{name: 'Hanna', age: 14},
{name: 'Adam', age: 37}];
const anyAdult = people.some(person => person....
C++ preprocessor __VA_ARGS__ number of arguments
... 19,18,17,16,15,14,13,12,11,10, \
9,8,7,6,5,4,3,2,1,0
/* Some test cases */
PP_NARG(A) -> 1
PP_NARG(A,B) -> 2
PP_NARG(A,B,C) -> 3
PP_NARG(A,B,C,D) -> 4
PP_NARG(A,B,C,D,E) -> 5
PP_NARG(1,2,3,4,5,6,7,8,9,0,
1,2,3,4,5,6,7,8,9,0,
1,2,3,4,5,6,7,8,9,0,
...
git-svn: how do I create a new svn branch via git?
...d, use git svn branch. Here is a full example, (note the -n for dry-run to test):
git svn branch -n -m "Branch for authentication bug" auth_bug
If this goes well, server replies with answer like this:
Copying https://scm-server.com/svn/portal/trunk at r8914 to https://scm-server.com/svn/port...
How to connect to SQL Server database from JavaScript in the browser?
...iver={SQL Server};... connection string, but a named DSN was OK :
I set up TestDSN and it tested OK, and then var strConn= "DSN=TestDSN"; worked, so I carried on experimenting for my in-house testing and learning purposes.
Our server has several instances running, e.g. server1\dev and server1\Test ...