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clearing a char array c
...he other hand, if you are choosing to view this as a C/C++ null terminated string, setting the first byte to 0 will effectively clear the string.
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Delegates: Predicate vs. Action vs. Func
...add; /*(int a, int b) => { Console.WriteLine(a + b); };*/
Func<string, string> mydel1 = p.conc; /*(string s) => { return "hello" + s; };*/
mydel(2, 3);
string s1= mydel1(" Akhil");
Console.WriteLine(s1);
Console.ReadLine();
...
How to get the current date without the time?
...just looking to print the date, you can use:
Console.WriteLine(dateTime.ToString("d"));
or use an explicit format:
Console.WriteLine(dateTime.ToString("dd/MM/yyyy"));
See more about standard and custom date/time format strings. Depending on your situation you may also want to specify the cultu...
AngularJs $http.post() does not send data
...-www-form-urlencoded serialization.
* @param {Object} obj
* @return {String}
*/
var param = function(obj) {
var query = '', name, value, fullSubName, subName, subValue, innerObj, i;
for(name in obj) {
value = obj[name];
if(value instanceof Array) {
for(i=0; ...
Removing App ID from Developer Connection
...ortal area? I mistakenly added a couple of app id's under the wrong login and would like to remove them, but I am not seeing a way to do so.
...
Build tree array from flat array in javascript
I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
...
Bottom Line
Use either COUNT(field) or COUNT(*), and stick with it consistently, and if your database allows COUNT(tableHere) or COUNT(tableHere.*), use that.
In short, don't use COUNT(1) for anything. It's a one-trick pony, which rarely does what you want, and in those ...
How can I check the system version of Android?
...s.Build.VERSION.
CODENAME: The current development codename, or the string "REL" if this is a release build.
INCREMENTAL: The internal value used by the underlying source control to represent this build.
RELEASE: The user-visible version string.
...
Pretty-print C++ STL containers
... that match those criteria but aren't actually containers, like std::basic_string. Also like Marcelo's version, it uses templates that can be specialized to specify the delimiters to use.
The major difference is that I've built my version around a pretty_ostream_iterator, which works similar to the...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
..._CI_AS
breaks up into interesting parts:
latin1 makes the server treat strings using charset latin 1, basically ascii
CP1 stands for Code Page 1252
CI case insensitive comparisons so 'ABC' would equal 'abc'
AS accent sensitive, so 'ü' does not equal 'u'
P.S. For more detailed information be s...