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Rename multiple files in a directory in Python [duplicate]
...he script itself. Instead of using . as the dir, you could make a variable called dir and use that, then prepend dir to the filename.
– styfle
May 18 '11 at 5:53
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PHP - iterate on string characters
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Just note that you're calling strlen() on each iteration. Not a terrible thing, since PHP has the length precalculated, but still a function call. If you have a need for speed, better save that in a variable before starting the loop.
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The tilde operator in C
...bout "unsigned to signed conversion". The operation performed by ~ is also called the "one's complement", which is one form of binary negation. Virtually all modern computers use two's complement arithmetic, which is the bitwise inverse, plus one. So for a signed integer variable x, you will typic...
Using a Single Row configuration table in SQL Server database. Bad idea?
...his information can be anything from company information, Shipping account IDs, PayPal API keys, notification preferences, etc.
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How to prevent ifelse() from turning Date objects into numeric objects
... note: I see that Hadley has built an if_else into the the magrittr/dplyr/tidyr complex of data-shaping packages.
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Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
...oesn't allow partial index updates for field data.
In Sphinx, all document ids must be unique unsigned non-zero integer numbers. Solr doesn't even require an unique key for many operations, and unique keys can be either integers or strings.
Solr supports field collapsing (currently as an additional ...
What is sandboxing?
...d to the application. In the antivirus example, we are limiting the system call (operating system API).
Another example would be online coding arenas like topcoder. You submit a code (program) but it runs on the server. For the safety of the server, They should limit the level of access of API of...
Polymorphism vs Overriding vs Overloading
... point out that it's only polymorphism because which version of goPee() to call can only be determined at runtime. While this example implies that, it is nice to point out why exactly that is polymorphism. Also, it doesn't require sibling classes. It can be a parent-child relationship as well. Or ev...
How do I make a transparent canvas in html5?
...bile so layering canvases doesn't work there. (At least on Chrome for Android)
– nicholeous
Jul 6 '15 at 23:25
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Mockito.any() pass Interface with Generics
...entMatchers.any() and qualify it with the type:
ArgumentMatchers.<AsyncCallback<ResponseX>>any()
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