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split string only on first instance - java

... length will be no greater than n, and the array's last entry will contain all input beyond the last matched delimiter. The string boo:and:foo, for example, yields the following results with these parameters: Regex Limit Result : 2 { "boo", "and:foo" } : 5 { "boo", "an...
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Generate random password string with requirements in javascript

... you care about ancient browsers. Maintainable is mostly about the RegExp _pattern as an easy way to define what character classes you allow in the password. But also about the 3 things where each does its job: defines a pattern, gets a random byte as securely as possible, provides a public API to ...
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Annotating text on individual facet in ggplot2

... Typically you'd do something like this: ann_text <- data.frame(mpg = 15,wt = 5,lab = "Text", cyl = factor(8,levels = c("4","6","8"))) p + geom_text(data = ann_text,label = "Text") It should work without specifying the factor variable comple...
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How to prevent long words from breaking my div?

...tc), you'll need overflow to make it not destroy the layout/design. So by all means use another method (or a combination of them) but remember to add overflow too so you cover all browsers. Edit 2 (to address your comment below): Start off using the CSS overflow property isn't perfect but it stop...
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How to declare an array in Python?

... should never refer to anything other than a list", since Python is dynamically typed. *The default built-in Python type is called a list, not an array. It is an ordered container of arbitrary length that can hold a heterogenous collection of objects (their types do not matter and can be freely m...
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json_encode is returning NULL?

...ser didn't solve my problem. For those in same situation, here is how I finally handled this error: Just utf8_encode each of your results. while($row = mysql_fetch_assoc($result)){ $rows[] = array_map('utf8_encode', $row); } Hope it helps! ...
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CORS - How do 'preflight' an httprequest?

...t involves configuring the server responses to include the "Access-Control-Allow-Origin" header and 'preflight' requests with and OPTIONS request. I got the idea from this post : Getting CORS working ...
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difference between primary key and unique key

...d on multiple columns, e.g. Primary key (CustomerID, ProductID). This is called composite primary key. This is to clarify the first point, as it might be take as it is (read one key => one column ) by new comer to sql : ) – ken Apr 10 '14 at 13:53 ...
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How to exit a function in bash

...he entire shell. # So we (ab)use a different feature. :) fail() { : "${__fail_fast:?$1}"; } nested-func() { try-this || fail "This didn't work" try-that || fail "That didn't work" } nested-func } Trying it out: $ do-something-complex try-this: command not found bash: __fail...
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Can you animate a height change on a UITableViewCell when selected?

... I found a REALLY SIMPLE solution to this as a side-effect to a UITableView I was working on..... Store the cell height in a variable that reports the original height normally via the tableView: heightForRowAtIndexPath:, then when you wa...