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SQL query return data from multiple tables
...ing two or more tables using an inner join (See the wikipedia entry for additional info)
How to use a union query
Left and Right Outer Joins (this stackOverflow answer is excellent to describe types of joins)
Intersect queries (and how to reproduce them if your database doesn't support them) - this ...
“open/close” SqlConnection or keep open?
I have my business-logic implemented in simple static classes with static methods. Each of these methods opens/closes SQL connection when called:
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What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
Other than the type it returns and the fact that you call it differently of course
2 Answers
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Why fragments, and when to use fragments instead of activities?
... advantages and disadvantages of using fragments compared to using
activities/views/layouts?
Fragments are Android's solution to creating reusable user interfaces. You can achieve some of the same things using activities and layouts (for example by using includes). However; fragments are wired ...
HTML5 Canvas 100% Width Height of Viewport?
... meaning even when the browser is resized, you need to run your draw loop within a function that resizes the canvas to the window.innerHeight and window.innerWidth.
Example: http://jsfiddle.net/jaredwilli/qFuDr/
HTML
<canvas id="canvas"></canvas>
JavaScript
(function() {
var ca...
How do I undo the most recent local commits in Git?
I accidentally committed the wrong files to Git , but I haven't pushed the commit to the server yet.
86 Answers
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What does the function then() mean in JavaScript?
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The traditional way to deal with asynchronous calls in JavaScript has been with callbacks.
Say we had to make three calls to the server, one after the other, to set up our
application. With callbacks, the code might look something li...
Number of elements in a javascript object
...the number of elements in a javascript object?? (i.e. constant-time complexity).
6 Answers
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Is there a visual profiler for Python? [closed]
I use cProfile now but I find it tedious to write pstats code just to query the statistics data.
12 Answers
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Batch file: Find if substring is in string (not in a file)
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Yes, you can use substitutions and check against the original string:
if not x%str1:bcd=%==x%str1% echo It contains bcd
The %str1:bcd=% bit will replace a bcd in str1 with an empty string, making it different from the original.
If the original...