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Sqlite primary key on multiple columns
...LE something (
column1, column2, value, PRIMARY KEY (column1, column2));
Now this works without any warning:
sqlite> insert into something (value) VALUES ('bla-bla');
sqlite> insert into something (value) VALUES ('bla-bla');
sqlite> select * from something;
NULL|NULL|bla-bla
NULL|NULL|bl...
How can I mark “To Do” comments in Xcode?
...=#warnings
in my cflags so as to not treat pragma warnings as errors. So now #warning and -Werror can live along side each other.
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Find index of last occurrence of a substring in a string
... really you're searching for the first occurrence in the reversed string. Knowing this, I did s[::-1] (which returns a reversed string), and then indexed the target from there. Then I did len(s) - 1 - the index found because we want the index in the unreversed (i.e. original) string.
Watch out, tho...
getResourceAsStream returns null
...n is this article from InfoWorld. I'll summarize here, but if you want to know more you should check out the article.
Methods
ClassLoader.getResourceAsStream().
Format: "/"-separated names; no leading "/" (all names are absolute).
Example: this.getClass().getClassLoader().getResourceAsStream("some...
Fastest way to implode an associative array with keys
...unction('&$i,$k','$i=" $k=\"$i\"";'));
$p_string = implode($p,"");
// Now use $p_string for your html tag
Obviously, you could stick that in your own function somehow but it gives you an idea of how you can join an associative array using your own method.
Hope that helps someone :)
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mysql update column with value from another table
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i don't know if i understood your question clearly, can you check my updated answer?
– John Woo
Jul 29 '12 at 12:11
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Displaying the #include hierarchy for a C++ file in Visual Studio
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There is now a plugin for Visual Studio called IncludeToolbox. It can list your dependent includes and do more things like a random remove and compile to see if that include was required.
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CodeIgniter - accessing $config variable in view
Pretty often I need to access $config variables in views.
I know I can pass them from controller to load->view() .
But it seems excessive to do it explicitly.
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Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)
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The style I did was really easy when I looked how it's done in these. Now I have my own Window and I can do whatever I want with xaml... for me it's the main reason why I did my own. And I made one more for you too :) I should probably say that I wouldn't be able to do it without exploring Mode...
Get next / previous element using JavaScript?
...e a collection.
var divs = document.getElementsByTagName("div");
//divs now contain each and every div element on the page
var selectionDiv = document.getElementById("MySecondDiv");
So basically with selectionDiv iterate through the collection to find its index, and then obviously -1 = previous...