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C# Interfaces. Implicit implementation versus Explicit implementation
...t interested in populating the list; instead, they just want to be able to select a customer by GUID or to obtain the selected customer's GUID. A presenter would populate the box on the first page load, and this presenter is encapsulated by the control.
public sealed class CustomerComboBox : ComboBo...
How to pass table value parameters to stored procedure from .net code
...;T, TProperty>(this IEnumerable<T> list, Func<T, TProperty> selector)
{
var tbl = new DataTable();
tbl.Columns.Add("Id", typeof(T));
foreach (var item in list)
{
tbl.Rows.Add(selector.Invoke(item));
}
return tbl;
...
PDO's query vs execute
... multiple times. Example of prepared statements:
$sth = $dbh->prepare('SELECT name, colour, calories FROM fruit
WHERE calories < :calories AND colour = :colour');
$sth->bindParam(':calories', $calories);
$sth->bindParam(':colour', $colour);
$sth->execute();
// $calories or $color...
Pry: show me the stack
... stack items. For example, if my project name were archie I'd use:
caller.select {|line| line.include? "archie" }
Which gives me the stack trace I'm looking for.
A shorter way would be:
caller.select {|x| x["archie"] }
Which works just as well.
...
CSS selector based on element text? [duplicate]
Is there a way to select an element in css based on element text?
3 Answers
3
...
How to filter array in subdocument with MongoDB [duplicate]
...es the aggregation operation modify the document or does it just perform a selection ?
– Cherif
Oct 27 '13 at 22:18
3
...
When to use MongoDB or other document oriented database systems? [closed]
...cal CRUD stuff. Storing what is essentially a huge hash, and being able to select on any of those keys, is what most people use a relational database for. If your DB is 3NF and you don’t do any joins (you’re just selecting a bunch of tables and putting all the objects together, AKA what most peo...
How to calculate time in hours between two dates in iOS
...developer.apple.com/library/mac/navigation/
or if you are using Xcode just select help/documentation from the menu.
See: how-to-convert-an-nstimeinterval-seconds-into-minutes
--edit: See ÐąrέÐέvil's answer below for correctly handling daylight savings/leap seconds
...
How to have Emacs auto-refresh all buffers when files have changed on disk?
...GUI (Mine is GNU Emacs 25.1.1 on Windows 7):
Click "Options" in menubar
Select "Customize Emacs"
Select "Saved Options"
Then you should see a search field where you enter "global-auto-revert-mode" and press "Search" button
Click "Toggle" button and make sure it reads "on" to the right of the butt...
Delete newline in Vim
...
You can also select all the lines you want to join using V (Visual Line Mode) then press J or gJ
– Sbu
Jan 24 '17 at 6:13
...