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How to concatenate text from multiple rows into a single text string in SQL server?
...h one-to-many relationships. In SQL 2005 I found that XML PATH method can handle the concatenation of the rows very easily.
If there is a table called STUDENTS
SubjectID StudentName
---------- -------------
1 Mary
1 John
1 Sam
2 Al...
What is the most ridiculous pessimization you've seen? [closed]
...ence.
Our new environment was 32-bit Sparc Solaris.
One of the guys went and changed all ints to shorts to speed up our code, since grabbing 16 bits from RAM was quicker than grabbing 32 bits.
I had to write a demo program to show that grabbing 32-bit values on a 32-bit system was faster than gra...
Should I use Java date and time classes or go with a 3rd party library like Joda Time?
...es from all over the world. One type of data which must be stored is dates and times.
5 Answers
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What do linkers do?
...
To understand linkers, it helps to first understand what happens "under the hood" when you convert a source file (such as a C or C++ file) into an executable file (an executable file is a file that can be executed on your machine or so...
How do you detect the clearing of a “search” HTML5 input?
... when the user clicks the "x". This is especially useful because it understands the "incremental" attribute.
Now, having said that, I'm not sure if you can tell the difference between clicking the "x" and searching, unless you use an "onclick" hack. Either way, hopefully this helps.
References:
htt...
Why does std::getline() skip input after a formatted extraction?
I have the following piece of code that prompts the user for their name and state:
3 Answers
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How to reset AUTO_INCREMENT in MySQL?
...ue is less than the current maximum value in the
column, no error occurs and the current sequence value is not changed.
See How to Reset an MySQL AutoIncrement using a MAX value from another table? on how to dynamically get an acceptable value.
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Wget output document and headers to STDOUT
I'm trying to output document body and its headers to stdout with wget by wget -S -O - http://google.com
5 Answers
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Add a duration to a moment (moment.js)
...nnot just use == to test. You could format each moment to the same output and compare those, or you could just use the .isSame() method.
Your code is now:
var timestring1 = "2013-05-09T00:00:00Z";
var timestring2 = "2013-05-09T02:00:00Z";
var startdate = moment(timestring1);
var expected_enddate ...
Does Java casting introduce overhead? Why?
...t objects of one type to another? Or the compiler just resolves everything and there is no cost at run time?
5 Answers
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