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How do you copy a record in a SQL table but swap out the unique id of the new row?
...se to what I need, but my scenario is slightly different. The source table and destination table are the same and the primary key is a uniqueidentifier (guid). When I try this:
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download file using an ajax request
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Update April 27, 2015
Up and coming to the HTML5 scene is the download attribute. It's supported in Firefox and Chrome, and soon to come to IE11. Depending on your needs, you could use it instead of an AJAX request (or using window.location) so long ...
PostgreSQL: Drop PostgreSQL database through command line [closed]
I'm trying to drop my database and create a new one through the command line.
4 Answers
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How to set OnClickListener on a RadioButton in Android?
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I'd think a better way is to use RadioGroup and set the listener on this to change and update the View accordingly (saves you having 2 or 3 or 4 etc listeners).
RadioGroup radioGroup = (RadioGroup) findViewById(R.id.yourRadioGroup);
radioGroup.setOnChe...
Linux command (like cat) to read a specified quantity of characters
Is there a command like cat in linux which can return a specified quantity of characters from a file?
9 Answers
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How to turn a String into a JavaScript function call? [duplicate]
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Seeing as I hate eval, and I am not alone:
var fn = window[settings.functionName];
if(typeof fn === 'function') {
fn(t.parentNode.id);
}
Edit: In reply to @Mahan's comment:
In this particular case, settings.functionName would be "clickedOnIt...
Instantiating a generic class in Java [duplicate]
...ested in - any way of specifying the appropriate Class<T> reference) and keep that value as a field:
public class Test {
public static void main(String[] args) throws IllegalAccessException,
InstantiationException {
Generic<Bar> x = new Generic<>(Bar.class)...
How to return 2 values from a Java method?
...sider creating a class that represents the result that you want to return, and return an instance of that class. Give the class a meaningful name. The benefits of this approach over using an array are type safety and it will make your program much easier to understand.
Note: A generic Pair class, a...
The 'json' native gem requires installed build tools
...on my windows 7 machine. Now I tried to install the JSON gem using the command, "gem install json" and got the following error.
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git pull aborted with error filename too long
I'm using Windows as my OS, and working on a project with a friend who's using a Mac. He checked in code to our Github.
7 A...