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jQuery Get Selected Option From Dropdown
...ted').text();
or generically:
$('#id :pseudoclass')
This saves you an extra jQuery call, selects everything in one shot, and is more clear (my opinion).
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Notice how in Macmade's solution, you can see an extra line of code above the "Code block".
Here are two better solutions:
Indent the code block by an extra 4 spaces (so usually 8, in this nested list example, 12). This will put the code in a <pre> element. On SO,...
Android, How to limit width of TextView (and add three dots at the end of text)?
...he thing that I'm looking for is how to add three dots (...) at the end of string. This one shows the text has continue. This is my XML but there is no dots although it limit my text.
...
Why use bzero over memset?
...lient/server in C. When initializing the structs, like sock_addr_in , or char buffers (that we used to send data back and forth between client and server) the professor instructed us to only use bzero and not memset to initialize them. He never explained why, and I'm curious if there is a val...
try/catch versus throws Exception
...t to use try-catch.
There is a rule "An overridden method cannot throw any extra exception other than what its parent class is throwing". If there is any extra exception that should be handled using try-catch.
Consider this code snippet.
There is a simple base class
package trycatchvsthrows;
publi...
What is the JavaScript >>> operator and how do you use it?
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The unsigned right shift operator is used in the all the array extra's method implementations of Mozilla, to ensure that the length property is a unsigned 32-bit integer.
The length property of array objects is described in the specification as:
Every Array object has a length prope...
Bash empty array expansion with `set -u`
...iable is considered set if a subscript has been assigned a value. The null string is a valid value.
No subscript has been assigned a value, so the array isn't set.
But while the documentation suggests an error is appropriate here, this is no longer the case since 4.4.
$ bash --version | head -n ...
AsyncTask and error handling on Android
...ing." When you get an exception, store the exception (or some other error-string/code) in this variable. When onPostExecute is called, see if this instance-variable is set to some error. If so, show an error message." (From the user "Streets of Boston" groups.google.com/group/android-developers...
C++ STL Vectors: Get iterator from index?
... legal to do this folowing, according to me:
int main()
{
void foo(const char *);
sdt::vector<char> vec;
vec.push_back('h');
vec.push_back('e');
vec.push_back('l');
vec.push_back('l');
vec.push_back('o');
vec.push_back('/0');
foo(&vec[0]);
}
Of course, either foo must not copy the ad...
Reading a UTF8 CSV file with Python
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The .encode method gets applied to a Unicode string to make a byte-string; but you're calling it on a byte-string instead... the wrong way 'round! Look at the codecs module in the standard library and codecs.open in particular for better general solutions for reading U...