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Dismissing a Presented View Controller
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I think Apple are covering their backs a little here for a potentially kludgy piece of API.
[self dismissViewControllerAnimated:NO completion:nil]
Is actually a bit of a fiddle. Although you can - legitimately - call this on the presented view controller, all it does is forward the me...
Row Offset in SQL Server
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I would avoid using SELECT *. Specify columns you actually want even though it may be all of them.
SQL Server 2005+
SELECT col1, col2
FROM (
SELECT col1, col2, ROW_NUMBER() OVER (ORDER BY ID) AS RowNum
FROM MyTable
) AS MyDerivedTable
WHERE MyDerivedTable.RowNum BETWE...
In eclipse, unable to reference an android library project in another android project
... referencing project in the same physical folder as the library project it all went fine.
I guess that this must be something to do with android using ant underneath the covers.
Edit: The project name needs match the folder name on the file system. What you are seeing in the Project Properties->...
What are database normal forms and can you give examples? [closed]
...piece of information, and there can be no duplicate rows.
2NF and 3NF are all about being dependent on the primary key. Recall that a primary key can be made up of multiple columns. As Chris said in his response:
The data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] ...
Cookie blocked/not saved in IFRAME in Internet Explorer
...s.asp . When I open the form (" someform.asp ") in its own browser window, all works well.
However, when I load someform.asp as an IFRAME in IE 6 or IE 7, the cookies for example.com are not saved. In Firefox this problem doesn't appear.
...
Strings in a DataFrame, but dtype is object
...mly requested element. The key to overcoming this is to use pointers. Basically, store each string in some random memory location, and fill the array with the memory address of each string. (Memory addresses are just integers.) So now, things look like this
Now, if you ask your computer to fetch th...
When to use Cast() and Oftype() in Linq
...ly the elements that can safely be cast to type x.
Cast - will try to cast all the elements into type x. if some of them are not from this type you will get InvalidCastException
EDIT
for example:
object[] objs = new object[] { "12345", 12 };
objs.Cast<string>().ToArray(); //throws InvalidCas...
Properties vs Methods
...t to be used like fields, meaning that properties should not be computationally complex or produce side effects. When it does not violate the following guidelines, consider using a property, rather than a method, because less experienced developers find properties easier to use.
...
Is it a good practice to place C++ definitions in header files?
.... Admittedly, part of the reason I like this style probably has to do with all the years I spent coding Modula-2 and Ada, both of which have a similar scheme with specification files and body files.
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Bash script error [: !=: unary operator expected
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Or for what seems like rampant overkill, but is actually simplistic ... Pretty much covers all of your cases, and no empty string or unary concerns.
In the case the first arg is '-v', then do your conditional ps -ef, else in all other cases throw the usage.
#!/bin/sh
case $1...