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How to export DataTable to Excel
...celFilePath);
Extension method for DataTable class:
public static class My_DataTable_Extensions
{
// Export DataTable into an excel file with field names in the header line
// - Save excel file without ever making it visible if filepath is given
// - Don't save excel file, just make ...
Show MySQL host via SQL Command
...last comment,
I don't think you can resolve IP for the hostname using pure mysql function,
as it require a network lookup, which could be taking long time.
However, mysql document mention this :-
resolveip google.com.sg
docs :- http://dev.mysql.com/doc/refman/5.0/en/resolveip.html
...
Mark current Line, and navigate through marked lines
...ly need to stop rushing through these solutions, I actually added these to my keybindings xD and when I was about to comment that you were a genius, noticed that this were the defaults bindings, anyway, really appreciated, this is definitely going to the things I would use in my everyday work and +1...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...nt whether or not the n... versions take up twice as much storage space as my answer shows
– Martin Smith
Nov 23 '11 at 23:48
7
...
Using sphinx with Markdown instead of RST
...block as well as a shorthand for directives DIRECTIVE_NAME:: ....
UPDATE: MyST is yet another docutins/Sphinx reader. Based on markdown-it-py, CommonMark compatible.
Has a generic {ROLE_NAME}`...` syntax for roles.
Has a generic syntax for directives with ```{DIRECTIVE_NAME} ... fenced blocks.
...
AngularJs: How to check for changes in file input fields?
..."file" custom-on-change="uploadFile">
controller.js:
app.controller('myCtrl', function($scope){
$scope.uploadFile = function(event){
var files = event.target.files;
};
});
directive.js:
app.directive('customOnChange', function() {
return {
restrict: 'A',
link:...
Why / when would it be appropriate to override ToString?
...guidelines that ToString is often dangerous for user interfaces. Generally my rule of thumb is to expose a property that would be used for binding information to the UI, and leave the ToString override for displaying diagnostic information to the developer. You can also decorate your type with Debug...
Java Byte Array to String to Byte Array
... string, string representation of byte[] to byte[] conversion... I convert my byte[] to a string to send, I then expect my web service (written in python) to echo the data straight back to the client.
...
What is thread safe or non-thread safe in PHP?
...y-know-what-you-are-doing ground.
Final notes
In case you are wondering, my personal advice would be to not use PHP in a multi-threaded environment if you have the choice!
Speaking only of Unix-based environments, I'd say that fortunately, you only have to think of this if you are going to use PH...
What is the difference between YAML and JSON?
...anchors." Thus it can handle relational information as one might find in a MySQL database.
YAML is more robust about embedding other serialization formats such as JSON or XML within a YAML file.
In practice neither of these last two points will likely matter for things that you or I do, but in t...