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How to listen for a WebView finishing loading a URL?
...ible to exit, unless you disconnect the network or connect in another good one. I don't know how to solve this yet, I'm trying.
– Felipe
Jul 18 '11 at 0:10
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Rails has_and_belongs_to_many migration
...eally depends on your queries. The indexes read left to right so the first one will be fastest if you are searching on restaurant_id. The second will help if you are searching on user_id. If you are searching on both, I would think the database would be smart enough to only need one. So I guess the ...
How can I change property names when serializing with Json.net?
...r don't want to always use the same rename property, renaming can also be done by creating a custom resolver.
For example, if you have a class called MyCustomObject, that has a property called LongPropertyName, you can use a custom resolver like this…
public class CustomDataContractResolver : D...
Convert a character digit to the corresponding integer in C
...= c - '0';
The C Standard guarantees each digit in the range '0'..'9' is one greater than its previous digit (in section 5.2.1/3 of the C99 draft). The same counts for C++.
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Using PowerShell to write a file in UTF-8 without the BOM
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One line [System.IO.File]::WriteAllLines($MyPath, $MyFile) is enough. This WriteAllLines overload writes exactly UTF8 without BOM.
– Roman Kuzmin
Nov 8 '11 at 19:42
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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
...leave out the -1, you'll see an intercept column of 1's in the output with one binary column left out. You're able to see which values the omitted column are 1's based on rows where the values of the other columns are 0's. The documentation seems cryptic -is there another good resource?
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Surrogate vs. natural/business keys [closed]
...ing more than a NOT NULL UNIQUE constraint, and a table can have more than one.
If you use a surrogate key, you still want a business key to ensure uniqueness according to the business rules.
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How to replace all occurrences of a character in string?
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std::string doesn't contain such function but you could use stand-alone replace function from algorithm header.
#include <algorithm>
#include <string>
void some_func() {
std::string s = "example string";
std::replace( s.begin(), s.end(), 'x', 'y'); // replace all 'x' to 'y'
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Proper MIME type for OTF fonts
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@busticated, how'd you decide on this one? is it emerging as a standard? (works for me, and i wrote up a request on fontsquirrel to use it in their font-face generator... fontsquirrel.com/forum/discussion/361/mime-type-for-woff )
– ericsoc...
Add default value of datetime field in SQL Server to a timestamp
...eady have the field, but I wanted to apply the fix to it, not create a new one. Thanks for all your answers!
– stephmoreland
Feb 3 '11 at 16:06
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