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How do I specify unique constraint for multiple columns in MySQL?
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That way combination of three would be unique? Or all individual three columns would be unique?
– Gary Lindahl
Sep 15 '11 at 0:03
100
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How to get time in milliseconds since the unix epoch in Javascript? [duplicate]
How can I get the current epoch time in Javascript? Basically the number of milliseconds since midnight, 1970-01-01.
2 A...
How to create a project from existing source in Eclipse and then find it?
I have created several .java files. All of them are located in one directory. I used a text editor to write these files. Now I want to switch to Eclipse. How can I do it? I have tried many ways. None of them works.
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How does delete[] know it's an array?
Alright, I think we all agree that what happens with the following code is undefined, depending on what is passed,
16 Answe...
How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
...t/air/flex/articles/air_screenrecording.html but I am doubtful if it will allow this effortlessly on a webpage as such a screen grab could be used for malicious actions and privacy invasion
– Vaibhav Garg
Aug 5 '11 at 4:22
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Comments in Markdown
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I believe that all the previously proposed solutions (apart from those that require specific implementations) result in the comments being included in the output HTML, even if they are not displayed.
If you want a comment that is strictly ...
How do I modify the URL without reloading the page?
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@CHiRiLo check out history.js which provides a fallback for browsers that don't support the HTML5 history API.
– David Murdoch
Sep 19 '12 at 22:21
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MySQL high CPU usage [closed]
...query cache and innodb_buffer_pool_size (if you're using innodb tables) as all of these memory allocations can have an affect on query performance which can cause MySQL to eat up CPU.
You'll also probably want to give the following a read over as they contain some good information.
How MySQL Uses...
WPF: Setting the Width (and Height) as a Percentage Value
...ignment="Stretch" ...
That will make the Textbox element stretch horizontally and fill all the parent space horizontally (actually it depends on the parent panel you're using but should work for most cases).
Percentages can only be used with grid cell values so another option is to create a grid ...
MySQL Data - Best way to implement paging?
... (not 1):
SELECT * FROM tbl LIMIT 5,10; # Retrieve rows 6-15
To retrieve all rows from a certain offset up to the end of the result set, you can use some large number for the second parameter. This statement retrieves all rows from the 96th row to the last:
SELECT * FROM tbl LIMIT 95,1844674407370...