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MySQL get row position in ORDER BY
...sition of 2 when the first query will give a position of 2 to one of them, and 3 to the other...
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Check if table exists without using “select from”
Is there a way to check if a table exists without selecting and checking values from it?
17 Answers
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How can I get a JavaScript stack trace when I throw an exception?
...n simply call: console.trace(); (MDN Reference)
Edit 1 (2013):
A better (and simpler) solution as pointed out in the comments on the original question is to use the stack property of an Error object like so:
function stackTrace() {
var err = new Error();
return err.stack;
}
This will ge...
Input placeholders for Internet Explorer
...s, one I saw was jQuery-html5-placeholder.
I tried the demo out with IE9, and it looks like it wraps your <input> with a span and overlays a label with the placeholder text.
<label>Text:
<span style="position: relative;">
<input id="placeholder1314588474481" name="text" ...
What is a 'multi-part identifier' and why can't it be bound?
...d up rewriting the query, change the order of joins, change some groupings and then it eventually works, but I just don't quite get it.
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Python String and Integer concatenation [duplicate]
...ed in this answer (backticks) is deprecated in later versions of Python 2, and removed in Python 3. Use the str() function instead.
You can use :
string = 'string'
for i in range(11):
string +=`i`
print string
It will print string012345678910.
To get string0, string1 ..... string10 you can use...
Using printf with a non-null terminated string
Suppose you have a string which is NOT null terminated and you know its exact size, so how can you print that string with printf in C? I recall such a method but I can not find out now...
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HTML for the Pause symbol in audio and video control
...ich could be considered adequate replacements, including:
| | - two standard (bolded) vertical bars.
▋▋ - &#9611; and another&#9611;
▌▌ - &#9612; and another&#9612;
▍▍ - &#9613; and another&#9613;
▎▎ - &#9614; and another&#9614;
❚❚ - &...
conditional unique constraint
...onstraint like this. The difference is, you'll return false if Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT...
How do I revert all local changes in Git managed project to previous state?
...everal commits, I did git status which told me everything was up to date and there were no local changes.
14 Answers
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