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Good way of getting the user's location in Android
...specific provider (network/gps)
*/
private Location getLocationByProvider(String provider) {
Location location = null;
if (!isProviderSupported(provider)) {
return null;
}
LocationManager locationManager = (LocationManager) getApplicationContext()
.getSystemServi...
Many-to-many relationship with the same model in rails?
...schema for your posts:
create_table "posts", :force => true do |t|
t.string "name", :null => false
end
For any many-to-many relationship, you need a join table. Here's the schema for that:
create_table "post_connections", :force => true, :id => false do |t|
t.integer "post_a_id"...
In Rails, how do you render JSON using a view?
...le quotes to double quotes, as JSON (unlike JS) only accepts double-quoted strings.
– Abe Voelker
Jan 20 '12 at 20:27
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How do you write multiline strings in Go?
Does Go have anything similar to Python's multiline strings:
9 Answers
9
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.NET Format a string with fixed spaces
Does the .NET String.Format method allow placement of a string at a fixed position within a fixed length string.
10 Answers...
unsigned int vs. size_t
...ead of int / unsigned int pretty much everywhere - from parameters for C string functions to the STL. I am curious as to the reason for this and the benefits it brings.
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How many bits or bytes are there in a character? [closed]
...'s legacy Asian stuff, and they are stored as multiple char, while Unicode strings are stored using the wchar_t type. By the way, when NT was started a wchar_t was enough to avoid surrogate pairs, but now that it's UTF-16 even wchar_t strings can have variable-length characters, so on Windows a Unic...
MySQL error: key specification without a key length
...oc/refman/5.0/en/char.html "Values in VARCHAR columns are variable-length strings. The length can be specified as a value from 0 to 255 before MySQL 5.0.3, and 0 to 65,535 in 5.0.3 and later versions. The effective maximum length of a VARCHAR in MySQL 5.0.3 and later is subject to the maximum row s...
Removing leading zeroes from a field in a SQL statement
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select substring(ColumnName, patindex('%[^0]%',ColumnName), 10)
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Named placeholders in string formatting
In Python, when formatting string, I can fill placeholders by name rather than by position, like that:
19 Answers
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