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split string only on first instance - java
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How to check whether a file is empty or not?
...method, which has the attribute st_size(file size in bytes):
>>> from pathlib import Path
>>> mypath = Path("path/to/my/file")
>>> mypath.stat().st_size == 0 # True if empty
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HTML Script tag: type or language (or omit both)?
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Hide div after a few seconds
...be added to queue)
return this.animate({delay:1}, time, callback);
}
From http://james.padolsey.com/javascript/jquery-delay-plugin/
(Allows chaining of methods)
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Bootstrap Dropdown with Hover
...he 'hover' one. To fix this, remove the data-toggle="dropdown" attributes from the child <a> elements, which will prevent the click opening the duplicate dropdown
– Xcalibur
Sep 11 '17 at 6:51
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How to see the changes in a Git commit?
...st one commit id
Copy commit id.
Now we use two methods to list changes from a specific commit,
Method 1:
git diff commit_id^! #commit id something like this 1c6a6000asad012
Method 2:
git show commit_id
For example: git show 1c6a600a
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unable to start mongodb local server
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Find out from netstat which process is running mongodb port (27017)
command:
sudo netstat -tulpn | grep :27017
Output will be:
tcp 0 0 0.0.0.0:27017 0.0.0.0:*
LISTEN 6432/mongod
In my case "6432" is...
In Java, what is the best way to determine the size of an object?
... Of course, some objects in the footprint might be shared (also referenced from other objects), so it is an overapproximation of the space that could be reclaimed when that object is garbage collected. For the result of Pattern.compile("^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\\.[a-zA-Z0-9-.]+$") (taken fro...
Finding element's position relative to the document
...fset (3rd-party script) is interesting and it seems to leverage approaches from the other answers here.
Example:
var offset = require('document-offset')
var target = document.getElementById('target')
console.log(offset(target))
// => {top: 69, left: 108}
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The simplest way to comma-delimit a list?
...s to do this:
The join method on String.
A joining collector for streams from the Collectors class.
The StringJoiner class.
Example:
// Util method for strings and other char sequences
List<String> strs = Arrays.asList("1", "2", "3");
String listStr1 = String.join(",", strs);
// For any ...