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What's the @ in front of a string in C#?
...also allows multi-line contents - which can be very handy for SQL:
string select = @"
SELECT Foo
FROM Bar
WHERE Name='Baz'";
The one bit of escaping which is necessary for verbatim string literals is to get a double quote (") which you do by doubling it:
string verbatim = @"He said, ""Would you ...
PostgreSQL ERROR: canceling statement due to conflict with recovery
...is not modified is to suspend the replication and resume after the query:
select pg_xlog_replay_pause(); -- suspend
select * from foo; -- your query
select pg_xlog_replay_resume(); --resume
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Hiding the scroll bar on an HTML page
... /* 7 */
These can each be combined with additional pseudo-selectors:
:horizontal – The horizontal pseudo-class applies to any scrollbar pieces that have a horizontal orientation.
:vertical – The vertical pseudo-class applies to any scrollbar pieces that have a vertical orienta...
Why do we need a fieldset tag?
... without using tables. The fieldset tag can be used to create boxes around selected elements and the legend tag will give a caption to those elements. In this way form elements can be grouped together into identified categories.
Different browsers may display the default fieldset border in differen...
Create table with jQuery - append
...
You need to append the tr inside the table so I updated your selector inside your loop and removed the closing table because it is not necessary.
$('#here_table').append( '<table />' );
for(i=0;i<3;i++){
$('#here_table table').append( '<tr><td>' + 'result' ...
Long Press in JavaScript?
...
Although this is the selected answer, it is not really answering the question. It is overly simplistic and naive. Any long press event must address multiple issues which this answer ignores. 1) Distinguish long press from drag from gesture from m...
MySQL integer field is returned as string in PHP
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When you select data from a MySQL database using PHP the datatype will always be converted to a string. You can convert it back to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
...
UIButton Image + Text IOS
...if you are using Interface Builder, there is a very easy way to do this:
Select the button and set a title and an image. Note that if you set the background instead of the image then the image will be resized if it is smaller than the button.
Set the position of both items by changing the edge and...
QLabel: set color of text and background
...nd-color :"+colcode+" ; color : blue; }");
getColor() method returns the selected color.
You can change label color using stylesheet
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Is there a way of making strings file-path safe in c#?
...id chars and an _ for invalid ones
var validFilename = new string(filename.Select(ch => invalidFileNameChars.Contains(ch) ? '_' : ch).ToArray());
To replace invalid characters (and avoid potential name conflict like Hell* vs Hell$):
static readonly IList<char> invalidFileNameChars = Path...