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How to retrieve a file from a server via SFTP?
...ion on top of Jsch is Apache commons-vfs which offers a virtual filesystem API that makes accessing and writing SFTP files almost transparent. Worked well for us.
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How to determine whether code is running in DEBUG / RELEASE build?
...tically at run time? I want to enable a button that switches to production APIs. On that button, I want to change DEBUG to 0 and display the message that user needs to restart the app. So next time it will use production APIs.
– Hiren Prajapati
Jan 3 '18 at 6:1...
JPA getSingleResult() or null
...esult() indicates it can't be found. Personally I can't stand this kind of API. It forces spurious exception handling for no real benefit. You just have to wrap the code in a try-catch block.
Alternatively you can query for a list and see if its empty. That doesn't throw an exception. Actually sinc...
Using success/error/finally/catch with Promises in AngularJS
...n about success and error being not chainable-friendly. Suppose we call an API that returns a user object with an address:
User object:
{name: 'Igor', address: 'San Francisco'}
Call to the API:
$http.get('/user')
.success(function (user) {
return user.address; <---
}) ...
What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...ying representation, however, the primary difference is the breadth of the API for working with vectors: they have almost all the operations you'd normally associate with lists (with a fusion-driven optimization framework), while UArray have almost no API.
For color images I will wish to store trip...
How do I time a method's execution in Java?
... at least as resolute as currentTimeMillis. docs.oracle.com/javase/7/docs/api/java/lang/…
– b1nary.atr0phy
May 18 '13 at 15:37
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How to get a substring of text?
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Since you tagged it Rails, you can use truncate:
http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-truncate
Example:
truncate(@text, :length => 17)
Excerpt is nice to know too, it lets you display an excerpt of a text Like so:
excerpt('This i...
Powershell v3 Invoke-WebRequest HTTPS error
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Based on the API documentation of the REST service im using 406 indicates "that the accept header included in the request does not allow an XML or JSON response"
– floyd
Jul 31 '12 at 14:53
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Is it possible to style html5 audio tag?
...e browser controls, but rolling your own controls and talking to the audio API via javascript.
Luckily, other people have already done this. My favorite player right now is jPlayer, it is very stylable and works great. Check it out.
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How do I convert a String to an int in Java?
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@user463035818 - See docs.oracle.com/javase/8/docs/api/java/util/regex/… - a regular expresssion pattern of "([0-9]+)" will "capture" the first sequence of one or more digits one through nine. Look at the Matcher class in that package.
– Mark Stewart
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