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How do I check the difference, in seconds, between two dates?
... date of either invocation - we care about the elapsed time. So just use a raw timestamp, as shown.
– Karl Knechtel
Dec 6 '10 at 1:58
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What are the benefits of Java's types erasure?
..."type erasure". Since generic types are not erased but replaced with their raw counterparts, a better choice seems to be "type mutilation".
The quintessential feature of type erasure in its commonly understood sense is forcing the runtime to stay within the boundaries of the static type system by m...
Is XSLT worth it? [closed]
... is the de facto data format of web development today, be it config files, raw data or in memory reprsentation. XSLT and XPath give you an enormously powerful and very efficient way to transform that data into any output format you might like, instantly giving you that MVC aspect of separating the p...
What is the difference between supervised learning and unsupervised learning? [closed]
...s that try to find correlations without any external inputs other than the raw data.
Example: data mining clustering algorithms.
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...ten in C/C++, or if the new process chooses to ignore argv and process the raw commandline for itself (e.g. with GetCommandLine()). At the OS level, Windows passes command lines untokenized as a single string to new processes. This is in contrast to most *nix shells, where the shell tokenizes argu...
String.replaceAll single backslashes with double backslashes
...to replace "\\\\" with "\\\\", believe it or not! Java really needs a good raw string syntax.
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how to change any data type into a string in python
... It's probably true that the majority of core library objects by raw percentage return the object.__repr__-style angle-bracket representation, but many of the most commonly used ones do not. The rule of thumb for repr is that if it makes sense to return Python code that could be evaluated ...
Changing image size in Markdown
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You could just use some HTML in your Markdown:
<img src="drawing.jpg" alt="drawing" width="200"/>
Or via style attribute (not supported by GitHub)
<img src="drawing.jpg" alt="drawing" style="width:200px;"/>
Or you could use a custom CSS file as described in this answer...
Does pandas iterrows have performance issues?
...se groupby to avoid repeated comparing of values.
Use to_records to access raw numpy.records objects.
Don't operate on DataFrame until you have compiled all the data.
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How to get the contents of a webpage in a shell variable?
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You can use curl or wget to retrieve the raw data, or you can use w3m -dump to have a nice text representation of a web page.
$ foo=$(w3m -dump http://www.example.com/); echo $foo
You have reached this web page by typing "example.com", "example.net","example.org" o...