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Where to use EJB 3.1 and CDI?
I am making a Java EE based product in which I'm using GlassFish 3 and EJB 3.1.
2 Answers
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Java Hashmap: How to get key from value?
If I have the value "foo" , and a HashMap<String> ftw for which ftw.containsValue("foo") returns true , how can I get the corresponding key? Do I have to loop through the hashmap? What is the best way to do that?
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Better explanation of when to use Imports/Depends
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"Imports" is safer than "Depends" (and also makes a package using it a 'better citizen' with respect to other packages that do use "Depends").
A "Depends" directive attempts to ensure that a function from another package is available by attaching the other pa...
Why does NULL = NULL evaluate to false in SQL server
... in a where clause, it always evaluates to false. This is counterintuitive and has caused me many errors. I do understand the IS NULL and IS NOT NULL keywords are the correct way to do it. But why does SQL server behave this way?
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How to paste yanked text into the Vim command line
I'd like to paste yanked text into Vim's command line. Is it possible?
10 Answers
10
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Why does Chrome incorrectly determine page is in a different language and offer to translate?
...we navigate to this particular page, Chrome tells us the page is in Danish and offers to translate. The page is in English, just like every other page in our app. This particular page is an internal testing page that has a few dozen form fields with English labels. I have no idea why Chrome think...
Why check both isset() and !empty()
Is there a difference between isset and !empty . If I do this double boolean check, is it correct this way or redundant? and is there a shorter way to do the same thing?
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How can I use Homebrew to install both Python 2 and 3 on Mac?
I need to be able to switch back and forth between Python 2 and 3. How do I do that using Homebrew as I don't want to mess with path and get into trouble.
Right now I have 2.7 installed through Homebrew.
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How do I execute a stored procedure once for each row returned by query?
...stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id
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How to quickly and conveniently disable all console.log statements in my code?
...e.log = function() {}
That's it, no more messages to console.
EDIT:
Expanding on Cide's idea. A custom logger which you can use to toggle logging on/off from your code.
From my Firefox console:
var logger = function()
{
var oldConsoleLog = null;
var pub = {};
pub.enableLogger = ...