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Reasons for using the set.seed function
...he same code with different seeds until you get the "best" result (I have done this for examples). To guard against accusations of doing this it is best to choose a seed that has some obvious meaning, either always the same seed, or the date, or I use char2seed and the last name of the principle in...
How to correctly use “section” tag in HTML5?
...like there's been a lot of confusion about this element's purpose, but the one thing that's agreed upon is that it is not a generic wrapper, like <div> is. It should be used for semantic purposes, and not a CSS or JavaScript hook (although it certainly can be styled or "scripted").
A better e...
Android - Set fragment id
...quely identify Fragments, but ViewGroups. These IDs are of containers that one or more fragments can be added to dynamically. Using such a method to identify Fragments would require you to add ViewGroups dynamically to the Layout for every Fragment you insert. That would be pretty cumbersome.
So if...
Checkout subdirectories in Git?
... in both directories at once and the edits belong together, they should be one repository. If not, then don’t glom them together.
Git really really wants you to use separate repositories for separate entities.
submodules
Submodules do not address the desire to keep both directories in one r...
Call An Asynchronous Javascript Function Synchronously
...he UI.
Given the lack of information, it's tough to offer a solution, but one option may be to have the calling function do some polling to check a global variable, then have the callback set data to the global.
function doSomething() {
// callback sets the received data to a global var
f...
How to validate an email address in JavaScript
....,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/i;
But keep in mind that one should not rely only upon JavaScript validation. JavaScript can easily be disabled. This should be validated on the server side as well.
Here's an example of the above in action:
function validateEmail(email) {
c...
How to get the path of a running JAR file?
...roblems with special characters, including spaces and pluses. The correct one-liner is: return new File(MyClass.class.getProtectionDomain().getCodeSource().getLocation().toURI()); Using URLDecoder does not work for many special characters. See my answer below for further details.
...
Pros and cons of using sbt vs maven in Scala project [closed]
...cala? What are the pros and cons of each of them? How to I determine which one of them to use in a project?
2 Answers
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Learning to write a compiler [closed]
...
I think one worth mentioning is Coursera's compilers course. It has nice videos and walks through creating a java like language / simple compiler. Coursera Compilers Link
– QuantumKarl
Feb 24 '1...
What's the best way to parse command line arguments? [closed]
...u are better off going with optparse over getopt. getopt is pretty much a one-to-one mapping of the standard getopt(3) C library functions, and not very easy to use.
optparse, while being a bit more verbose, is much better structured and simpler to extend later on.
Here's a typical line to add an...