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JPA eager fetch does not join
What exactly does JPA's fetch strategy control? I can't detect any difference between eager and lazy. In both cases JPA/Hibernate does not automatically join many-to-one relationships.
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How can I log the stdout of a process started by start-stop-daemon?
I am using an init script to run a simple process, which is started with:
11 Answers
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Validation of radio button group using jQuery validation plugin
How to perform validation for a radio button group (one radio button should be selected) using jQuery validation plugin?
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lsof survival guide [closed]
lsof is an increadibly powerful command-line utility for unix systems. It lists open files, displaying information about them. And since most everything is a file on unix systems, lsof can give sysadmins a ton of useful diagnostic data.
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Query an XDocument for elements by name at any depth
I have an XDocument object. I want to query for elements with a particular name at any depth using LINQ. When I use Descendants("element_name") , I only get elements that are direct children of the current level. What I'm looking for is the equivalent of "//element_name" in XPath...should I ju...
How to track down a “double free or corruption” error
When I run my (C++) program it crashes with this error.
8 Answers
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How to swap two variables in JavaScript
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Here's a one-liner to swap the values of two variables.
Given variables a and b:
b = [a, a = b][0];
Demonstration below:
var a=1,
b=2,
output=document.getElementById('output');
output.innerHTML="<p>Original: "+a+", "+b+"&lt...
How to calculate the SVG Path for an arc (of a circle)
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Expanding on @wdebeaum's great answer, here's a method for generating an arced path:
function polarToCartesian(centerX, centerY, radius, angleInDegrees) {
var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0;
re...
Limit File Search Scope in Sublime Text 2
In Sublime Text, I often use Cmd + P / Ctrl + P to search and jump between files.
12 Answers
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jQuery get mouse position within an element
I was hoping to craft a control where a user could click inside a div, then drag the mouse, then let up on the mouse in order to indicate how long they want something to be. (This is for a calendar control, so the user will be indicating the length, in time, of a certain event)
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