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Shell script to delete directories older than n days
...lanation:
find: the unix command for finding files / directories / links etc.
/path/to/base/dir: the directory to start your search in.
-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-exec ... \;: for each such result found, do the follo...
Moving from CVS to Git: $Id$ equivalent?
... tracking, if you want to
have it when doing release trees as tar-balls etc."
It's pretty easy to check the log, though - if you're tracking foo.el's stable branch, you can see what new commits are in the stable branch's log that aren't in your local copy. If you want to simulate CVS's internal...
Querying DynamoDB by date
...think of partition keys as creating a new table for each user or customer, etc...).
Queries can only be done in a single partition. That's really the end of the story. This means if you want to query by date (you'll want to use msec since epoch), then all the items you want to retrieve in a single...
JavaScript string encryption and decryption?
...ium. First I'll explain why, then how.
Why Not SJCL, CryptoJS, WebCrypto, etc.?
Short answer: In order for your encryption to actually be secure, these libraries expect you to make too many choices e.g. the block cipher mode (CBC, CTR, GCM; if you can't tell which of the three I just listed is sec...
Highlight a word with jQuery
...s mapping, synonyms mapping, search inside iframes, separated word search, etc. this becomes more and more complicated.
Use an existing plugin
When using an existing, well implemented plugin, you don't have to worry about above named things. The article 10 jQuery text highlighter plugins on Sitepo...
Differences between Microsoft .NET 4.0 full Framework and Client Profile
...
110Mb-8Mb in this age of 1Tb drives, etc. who cares?
– Liam
Jun 17 '13 at 13:50
1
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Design Patterns: Abstract Factory vs Factory Method
...me look-and-feel UI widgets, same style car parts, objects from a same OS, etc.) Many examples from Abstract Factory mentions about the key phrase "the same look-and-feel".
Objects forming a bigger group object: Abstract Factory creates a family of objects forming a bigger group object, not a single...
How do I disable a Pylint warning?
...me directory that isn’t /root:
~/.pylintrc; or
~/.config/pylintrc; or
/etc/pylintrc
Note that most of these files are named pylintrc -- only the file in ~ has a leading dot.
To your pylintrc file, add lines to disable specific pylint messages. For example:
[MESSAGES CONTROL]
disable=locally...
What is the difference between an int and an Integer in Java and C#?
... you cannot store int or other non-object types in collections (List, Map, etc.). In order to store them, you must first box them up in its corresponding boxed type.
Java 5 onwards have something called auto-boxing and auto-unboxing which allow the boxing/unboxing to be done behind the scenes. Comp...
Surrogate vs. natural/business keys [closed]
...primary key (also the foreign key fields in Orders, Issues, MoneyTransfers etc), adding a Country field in the primary key (also in the foreign keys). Ouch! Civil war in Freedonia, it's split in three countries. The country name of your associate should be changed to the new one; cascaded updates to...