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jQuery validate: How to add a rule for regular expression validation?
... "regex",
function(value, element, regexp) {
var re = new RegExp(regexp);
return this.optional(element) || re.test(value);
},
"Please check your input."
);
now all you need to do to validate against any regex is this:
$("#Textbox").rules("add", { r...
MySQL Multiple Joins in one query?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f8974328%2fmysql-multiple-joins-in-one-query%23new-answer', 'question_page');
}
);
...
How to read multiple text files into a single RDD?
...
Use union as follows:
val sc = new SparkContext(...)
val r1 = sc.textFile("xxx1")
val r2 = sc.textFile("xxx2")
...
val rdds = Seq(r1, r2, ...)
val bigRdd = sc.union(rdds)
Then the bigRdd is the RDD with all files.
...
The function to show current file's full path in mini buffer
...full path to kill ring"
(interactive)
(when buffer-file-name
(kill-new (file-truename buffer-file-name))))
That said, I find it incredibly useful to be able to get the full path of what is in the minibuffer, and this is what I use:
(define-key minibuffer-local-completion-map "\C-r" 'resol...
Counting inversions in an array
...
Sorry for the newbish question, but what is up with adding left.length - i to the inversion counter? I'd reckon it'd make sense just to add 1, since you fell into the logical case where the comparison between the two subarrays has a bigger...
How can I generate an MD5 hash?
...ead safe. If they're going to be used by different threads, just create a new one, instead of trying to reuse them.
– mjuarez
Mar 7 '13 at 6:34
40
...
Non greedy (reluctant) regex matching in sed?
...r in sed".
– chaos
Oct 18 '17 at 19:51
4
@Sérgio it's how you do the thing requested, which is i...
Overloading and overriding
...d)
{
//base.getStuff(id);
//or - Get stuff new location
}
}
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Java Date vs Calendar
...
The best way for new code (if your policy allows third-party code) is to use the Joda Time library.
Both, Date and Calendar, have so many design problems that neither are good solutions for new code.
...
How do I calculate someone's age in Java?
...da, which simplifies date/time calculations (Joda is also the basis of the new standard Java date/time apis, so you'll be learning a soon-to-be-standard API).
EDIT: Java 8 has something very similar and is worth checking out.
e.g.
LocalDate birthdate = new LocalDate (1970, 1, 20);
LocalDate now...