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MySQL ON DUPLICATE KEY - last insert id?
I have the following query:
7 Answers
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Finding the max/min value in an array of primitives using Java
It's trivial to write a function to determine the min/max value in an array, such as:
15 Answers
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How can I interrupt a ServerSocket accept() method?
In my main thread I have a while(listening) loop which calls accept() on my ServerSocket object, then starts a new client thread and adds it to a Collection when a new client is accepted.
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Hidden features of Eclipse [closed]
Alright it can be a lame question, but everybody uses these things differently. What's some of the best time savers out there for this IDE.
Tom
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What is the best way to uninstall gems from a rails3 project?
I installed all of my gems using bundler via the Gemfile. I thought (mistakenly) that if I deleted a gem from my Gemfile and ran 'bundle install' that the deleted gems would be uninstalled. I've looked at the bundler help file and, so far as I can tell, it does not have a way to uninstall gems.
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Concurrent vs serial queues in GCD
I'm struggling to fully understand the concurrent and serial queues in GCD. I have some issues and hoping someone can answer me clearly and at the point.
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Selenium WebDriver: Wait for complex page with JavaScript to load
I have a web application to test with Selenium. There is a lot of JavaScript running on page load.
This JavaScript code is not so well written but I can't change anything.
So waiting for an element to appear in the DOM with findElement() method is not an option.
I want to create a generic func...
Prevent users from submitting a form by hitting Enter
I have a survey on a website, and there seems to be some issues with the users hitting enter (I don't know why) and accidentally submitting the survey (form) without clicking the submit button. Is there a way to prevent this?
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Correct format specifier to print pointer or address?
Which format specifier should I be using to print the address of a variable? I am confused between the below lot.
5 Answers...
What's invokedynamic and how do I use it?
I keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
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