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Is volatile expensive?
...zed block. Entering a synchronized block requires an atomic compareAndSet based write to take out the lock and a volatile write to release it. If the lock is contented then control has to pass from user space to kernel space to arbitrate the lock (this is the expensive bit). Accessing a volatile ...
WCF chokes on properties with no “set ”. Any workaround?
...that is computed from an ID property) to a persistent storage (e.g., a database) - upvote for that - but it does make sense to serialize it to a representation (e.g., JSON or XML) that is returned by an API request.
– Florian Winter
May 12 '17 at 13:21
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powershell - extract file name and extension
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If the file is coming off the disk and as others have stated, use the BaseName and Extension properties:
PS C:\> dir *.xlsx | select BaseName,Extension
BaseName Extension
-------- ---------
StackOverflow.com Test Config ...
SVN - Checksum mismatch while updating
... +1 The other alternative I found left me hacking the svn database, much easier
– SeanDowney
Jun 22 '12 at 19:08
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Algorithm to find top 10 search terms
...h that we have to partition the table physically. Once partition scheme is based on ngrams of the token. If the token is a single word, it is 1gram. If the token is two-word phrase, it is 2gram. And this goes on. Roughly at 4gram we have 1 billion records, with table sized at around 60GB.
Processin...
How do I get a platform-dependent new line character?
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@Kon Based on this answer: String.join("", Collections.nCopies(5, System.lineSeparator()))
– Samuel Harmer
Mar 1 '17 at 11:05
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Java: Get last element after split
...'s length field to find its length. Subtract one to account for it being 0-based:
String[] bits = one.split("-");
String lastOne = bits[bits.length-1];
Caveat emptor: if the original string is composed of only the separator, for example "-" or "---", bits.length will be 0 and this will throw an A...
Javascript Confirm popup Yes, No button instead of OK and Cancel
...le in IE.
I would suggest using a Javascript library that can build a DOM-based dialog instead. Try Jquery UI: http://jqueryui.com/
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Ways to save Backbone.js model data?
...you probably will have a URI designation that will do the appropriate task based on the kind of request verb you use. For example:
// The URI pattern
http://localhost:8888/donut/:id
// My URI call
http://localhost:8888/donut/17
If I make a GET to that URI, it would get donut model with an ID of ...
GB English, or US English?
If you have an API, and you are a UK-based developer with a highly international audience, should your API be
28 Answers
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