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What is the meaning of the prefix N in T-SQL statements and when should I use it?
...1. It is an Nvarchar
This query fails to match Exact Value That Exists.
SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = 'ESKİ'
// 0 result
using prefix N'' fixes it
SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = N'ESKİ'
// 1 result - found!!!!
Why? Because latin1_general doesn't have big...
How to get Latitude and Longitude of the mobile device in android?
...add the ACCESS_COARSE_LOCATION permission for when GPS isn't available and select your location provider with the getBestProvider() method.
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How to change current Theme at runtime in Android [duplicate]
... }
private void createDialog()
{
/** Options for user to select*/
String choose[] = {"Theme_Holo_Light","Theme_Black"};
AlertDialog.Builder b = new AlertDialog.Builder(this);
/** Setting a title for the window */
b.setTitle("Choose your Application...
Using OR in SQLAlchemy
...keys) == dictargs[primkeys])
else:
return
query = select([db.RT_eqmtvsdata]).where(and_(*filterargs))
if self.r_ExecuteAndErrorChk2(query)[primarykeys[0]] is not None:
# update
filter = and_(*filterargs)
query = tableobject.__table__.update().val...
What specific productivity gains do Vim/Emacs provide over GUI text editors?
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Yeah, the mouse can be a timesaver for selecting areas of text, or moving the cursor to a specific spot in a large amount of text. Otherwise, it's a waste.
– T.E.D.
Jul 7 '09 at 14:27
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Combining CSS Pseudo-elements, “:after” the “:last-child”
...this reason: the last-child is a modifier on the li, and then after you've selected all li elements that are last children you then select (and implicitly create) a new element before and after each.
– Martin Atkins
Nov 15 '11 at 14:52
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Drawing an image from a data URL to a canvas
...
in javascript , using jquery for canvas id selection :
var Canvas2 = $("#canvas2")[0];
var Context2 = Canvas2.getContext("2d");
var image = new Image();
image.src = "images/eye.jpg";
Context2.drawImage(image, 0, 0);
html5:
<canv...
R command for setting working directory to source file location in Rstudio
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Worked for me in RStudio v1.0.143 on Windows 10. If you select "Source on save", it will work just fine (you can print out the detected directory with "cat"). If you select the lines then execute them, then the result is null.
– Contango
Jun ...
Does Foreign Key improve query performance?
...the foreign key relationship already inforces that for you.
So this:
select p.ProductId, p.Name, c.CategoryId, c.Name AS Category
from Products p inner join ProductCategories c on p.CategoryId = c.CategoryIdwhere c.CategoryId = 1;
Becomes this:
SELECT p.ProductId, p.Name, c.CategoryId, c.N...
Can the :not() pseudo-class have multiple arguments?
I'm trying to select input elements of all type s except radio and checkbox .
5 Answers
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