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What does the @ symbol before a variable name mean in C#? [duplicate]
...name is recorded in the assembly as "class", vs. with an underscore it is "_class". Thus, if another .NET language doesn't define "class" as a reserved word, they could use the name just "class".
– P Daddy
Jan 9 '09 at 20:23
...
Switch statement multiple cases in JavaScript
...ement altogether:
var cases = {
afshin: function() { alert('hey'); },
_default: function() { alert('default'); }
};
cases.larry = cases.saeed = cases.afshin;
cases[ varName ] ? cases[ varName ]() : cases._default();
s...
Returning value from called function in a shell script
...readed, a better option is to maintain a custom variable specific like TEST_LOCK_STATUS="" outside method that anyone can use after calling testlock and reset it each time at the start of the method
– kisna
May 23 at 20:39
...
Different font size of strings in the same TextView
...ext size
int textSize1 = getResources().getDimensionPixelSize(R.dimen.text_size_1);
int textSize2 = getResources().getDimensionPixelSize(R.dimen.text_size_2);
and then create a new AbsoluteSpan based on the text
String text1 = "Hi";
String text2 = "there";
SpannableString span1 = new SpannableS...
How can I selectively merge or pick changes from another branch in Git?
...k out the path(s) from the branch you want to merge,
$ git checkout source_branch -- <paths>...
Hint: It also works without `--` like seen in the linked post.
or to selectively merge hunks
$ git checkout -p source_branch -- <paths>...
Alternatively, use reset and then add with th...
What is causing “Unable to allocate memory for pool” in PHP?
...this problem, please specify you .ini settings. Specifically your apc.mmap_file_mask setting.
For file-backed mmap, it should be set to something like:
apc.mmap_file_mask=/tmp/apc.XXXXXX
To mmap directly from /dev/zero, use:
apc.mmap_file_mask=/dev/zero
For POSIX-compliant shared-memory-back...
Check whether an array is empty [duplicate]
...rray is empty. As a quick workaround you can do following:
$errors = array_filter($errors);
if (!empty($errors)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in your particular case empty() construct will alw...
How do I find where JDK is installed on my windows machine?
...hich java
Should output the exact location.
After that, you can set JAVA_HOME environment variable yourself.
In my computer (Mac OS X - Snow Leopard):
$ which java
/usr/bin/java
$ ls -l /usr/bin/java
lrwxr-xr-x 1 root wheel 74 Nov 7 07:59 /usr/bin/java -> /System/Library/Frameworks/JavaV...
HashSet versus Dictionary w.r.t searching time to find if an item exists
...for both, for me, in this test.
Test Code:
private const int TestReps = 100_000_000;
[Test]
public void CompareHashSetContainsVersusDictionaryContainsKey()
{
for (int j = 0; j < 10; j++)
{
var rand = new Random();
var dict = new Dictionary<int, int>();
var ha...
if checkbox is checked, do this
...checked
here is my algorithm...
create a global variable lets say var check_holder
check_holder has 3 states
undefined state
0 state
1 state
If the checkbox is clicked,
$(document).on("click","#check",function(){
if(typeof(check_holder)=="undefined"){
//this means that it is th...