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Retrieve column names from java.sql.ResultSet
With java.sql.ResultSet is there a way to get a column's name as a String by using the column's index? I had a look through the API doc but I can't find anything.
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Explain the concept of a stack frame in a nutshell
... instructions to save, set up and restore frame pointers; it also makes an extra register available in many functions)
Intel C++ Compiler have the following:
-fomit-frame-pointer (Determines whether EBP is used as a general-purpose register in optimizations)
which has the following alias:
/O...
Is it good practice to NULL a pointer after deleting it?
...e aren't many deletes in your code to begin with, so the argument that the extra assignment causes clutter doesn't persuade me.
It's often convenient, when debugging, to see the null value rather than a stale pointer.
If this still bothers you, use a smart pointer or a reference instead.
I also se...
How to select an option from drop down using Selenium WebDriver C#?
...cting control by ID and option by text):
protected void clickOptionInList(string listControlId, string optionText)
{
driver.FindElement(By.XPath("//select[@id='"+ listControlId + "']/option[contains(.,'"+ optionText +"')]")).Click();
}
use:
clickOptionInList("ctl00_ContentPlaceHolder_lbxAll...
Split an NSString to access one particular piece
I have a string like this: @"10/04/2011" and I want to save only the "10" in another string. How can I do that?
7 Answers...
How do I parse JSON with Objective-C?
...who
// knows how your third-party library intends to react?
if(NSClassFromString(@"NSJSONSerialization"))
{
NSError *error = nil;
id object = [NSJSONSerialization
JSONObjectWithData:returnedData
options:0
error:&error];
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How can I undo a `git commit` locally and on a remote after `git push`
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git log
you'll see bunch of 'f650a9e398ad9ca606b25513bd4af9fe...' like strings along with each of the commits. copy that number from the commit that you want to return back.
2. Now, type in below command:
git reset --hard your_that_copied_string_but_without_quote_mark
you should see message ...
What columns generally make good indexes?
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string searches where the value can be anywhere inside the string might make it not use those index in that case.
– Arthur Thomas
Sep 20 '08 at 7:12
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What is the meaning of addToBackStack with null parameter?
... null parameter to addToBackStack?
It don't need to be null, it can be a string. If you don't want, just pass null.
public abstract FragmentTransaction addToBackStack (String name)
Added in API level 11
Add this transaction to the back stack. This means that the transaction will be r...
Convert Base64 string to an image file? [duplicate]
I am trying to convert my base64 image string to an image file. This is my Base64 string:
8 Answers
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