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A CORS POST request works from plain JavaScript, but why not with jQuery?
...eeded with jquery 1.5.2 any more. But if you want to add custom headers or allow the use of credentials (username, password, or cookies, etc), read on.
I think I found the answer! (4 hours and a lot of cursing later)
//This does not work!!
Access-Control-Allow-Headers: *
You need to manually s...
What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p
... like selection. After choosing the path, it presents the diff between the index and the working tree file and asks you if you want to stage the change of each hunk. You can select one of the following options and type return:
y - stage this hunk
n - do not stage this hunk
...
Is there a Google Voice API? [closed]
Is there an API (officially or unofficially) for Google Voice? I would like to have an API to work with voicemails, send/receive SMS messages, initiate calls, etc.
...
Where does Console.WriteLine go in ASP.NET?
... : System.IO.TextWriter {
public override void Write(char[] buffer, int index, int count) {
System.Diagnostics.Debug.Write(new String(buffer, index, count));
}
public override void Write(string value) {
System.Diagnostics.Debug.Write(value);
}
public override Encoding ...
sql primary key and index
...base set as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed?
...
How to rename a single column in a data.frame?
...w_colname'
where
which(colnames(df) == 'old_colname')
returns by the index of the specific column.
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Why are joins bad when considering scalability?
...means smaller (and therefore faster) comparisons during the join operation
Indexes
Materialized/indexed views (think of this as a pre-computed join or managed de-normalization)
Computed columns. You can use this to hash or otherwise pre-compute the key columns of a join, such that what would be a co...
Why do Lua arrays(tables) start at 1 instead of 0?
...understand the rationale behind the decision of this part of Lua. Why does indexing start at 1? I have read (as many others did) this great paper . It seems to me a strange corner of a language that is very pleasant to learn and program. Don't get me wrong, Lua is just great but there has to be an ...
How to use index in select statement?
Lets say in the employee table, I have created an index(idx_name) on the emp_name column of the table.
8 Answers
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Find index of last occurrence of a substring in a string
I want to find the position (or index) of the last occurrence of a certain substring in given input string str .
9 Answers...