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How to profile a bash shell script slow startup?
...bashstart.PID.log that shows the seconds.nanoseconds timestamp of each command that was executed. The difference from one time to the next is the amount of time that the intervening step took.
As you narrow things down, you can move set -x later and set +x earlier (or bracket several sections of in...
Is there a difference between x++ and ++x in java?
Is there a difference between ++x and x++ in java?
16 Answers
16
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RegEx match open tags except XHTML self-contained tags
... tool that can be used to correctly parse HTML. As I have answered in HTML-and-regex questions here so many times before, the use of regex will not allow you to consume HTML. Regular expressions are a tool that is insufficiently sophisticated to understand the constructs employed by HTML. HTML is no...
What is the difference between iterator and iterable and how to use them?
I am new in Java and I'm really confused with iterator and iterable. Can anyone explain to me and give some examples?
13 An...
MongoDB or CouchDB - fit for production? [closed]
...oduction for over a year now. They are using it for everything from users and blog posts, to every image on the site.
shopwiki is using it for a few things including real time analytics and a caching layer. They are doing over 1000 writes per second to a fairly large database.
If you go to the mo...
jQuery - What are differences between $(document).ready and $(window).load?
...$(document).ready(function() {
// executes when HTML-Document is loaded and DOM is ready
console.log("document is ready");
});
$(window).load(function() {
// executes when complete page is fully loaded, including all frames, objects and images
console.log("window is loaded");
});
...
How to install mongoDB on windows?
I am trying to test out mongoDB and see if it is anything for me. I downloaded the 32bit windows version, but have no idea on how to continue from now on.
...
Easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lio
What is the easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lion)?
12 Answ...
What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
Is there a standard for what actions F5 and Ctrl + F5 trigger in web browsers?
6 Answers
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How to design a database for User Defined Fields?
...s a variant of #2). This answer is specifically tailored to this situation and the description of the data distribution and access patterns described.
Pros:
Because you indicate that some UDFs
have values for a small portion of
the overall data set, a separate
table would give you the best
perfor...