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What does gcc's ffast-math actually do?
I understand gcc's --ffast-math flag can greatly increase speed for float ops, and goes outside of IEEE standards, but I can't seem to find information on what is really happening when it's on. Can anyone please explain some of the details and maybe give a clear example of how something would chan...
Disable XML validation in Eclipse
My Eclipse validates XML files every time I save a file and it takes a while to validate them.
The project is created using gwt-maven-plugin.
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Android Fragments and animation
...Fragment Transaction.
Within each Fragment Transaction you can specify in and out animations that will be used for show and hide respectively (or both when replace is used).
The following code shows how you would replace a fragment by sliding out one fragment and sliding the other one in it's pla...
Install .ipa to iPad with or without iTunes
I have the .ipa from PhoneGap build and I need to test it. I got provisioning profile from Developer account.
25 Answers
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Cookies on localhost with explicit domain
...sic thing about cookies. On localhost, when I set a cookie on server side and specify the domain explicitly as localhost (or .localhost). the cookie does not seem to be accepted by some browsers.
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Unix command-line JSON parser? [closed]
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You can use this command-line parser (which you could put into a bash alias if you like), using modules built into the Perl core:
perl -MData::Dumper -MJSON::PP=from_json -ne'print Dumper(from_json($_))'
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How do I add a new sourceset to Gradle?
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This took me a while to figure out and the online resources weren't great. So I wanted to document my solution.
This is a simple gradle build script that has an intTest source set in addition to the main and test source sets:
apply plugin: "java"
sourceSets...
jQuery AJAX file upload PHP
...e browser) sends the form data to the server, then a script on the server handles the upload. Here's an example using PHP.
Your HTML is fine, but update your JS jQuery script to look like this:
$('#upload').on('click', function() {
var file_data = $('#sortpicture').prop('files')[0];
var...
Using Java 8's Optional with Stream::flatMap
The new Java 8 stream framework and friends make for some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely.
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Does MySQL index foreign key columns automatically?
... I really couldn't answer that. You may want to look up the Maria and Falcon storage engines that are to be released in MySQL 6.0 and see if they support foreign keys on non-indexed columns.
– Grant Limberg
Nov 20 '08 at 6:08
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