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Remove first element from $@ in bash [duplicate]
I'm writing a bash script that needs to loop over the arguments passed into the script. However, the first argument shouldn't be looped over, and instead needs to be checked before the loop.
...
Grep and Sed Equivalent for XML Command Line Processing
...ten in SML, so
installation may be difficult.
LT XML:
XML toolkit derived from SGML tools, including sggrep, sgsort,
xmlnorm and others. Uses its own query syntax. The documentation is
very formal. Written in C. LT XML 2 claims support of XPath, XInclude
and other W3C standards.
xmlgrep2:
simple...
Assigning a variable NaN in python without numpy
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Yes -- use math.nan.
>>> from math import nan
>>> print(nan)
nan
>>> print(nan + 2)
nan
>>> nan == nan
False
>>> import math
>>> math.isnan(nan)
True
Before Python 3.5, one could use float("nan") (case i...
Correct idiom for managing multiple chained resources in try-with-resources block?
...er(file))) {
bw.write(text);
}
For me, the best thing coming to Java from traditional C++ 15 years ago was that you could trust your program. Even if things are in the muck and going wrong, which they often do, I want the rest of the code to be on best behaviour and smelling of roses. Indeed, ...
What is “loose coupling?” Please provide examples
...t understood the first basic tenet of loose coupling: abstraction. The key from here is to ensure that ABC and XYZ do not depend on any methods or variables of the classes that call them. That allows ABC and XYZ to be completely independent APIs. Or in other words, they are "decoupled" or "loosely c...
How to implement WiX installer upgrade?
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In the newest versions (from the 3.5.1315.0 beta), you can use the MajorUpgrade element instead of using your own.
For example, we use this code to do automatic upgrades. It prevents downgrades, giving a localised error message, and also prevents u...
What good technology podcasts are out there?
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All from General Software are great! And I can see, that 43 Folders are broadcastin again!
– Tomasz Tybulewicz
Mar 13 '09 at 10:44
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What makes a keychain item unique (in iOS)?
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The primary keys are as follows (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp):
For a keychain item of class kSecClassGenericPassword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keych...
iPhone App Icons - Exact Radius?
...eater then it will show black around the edges/corners.
Edit: See comment from @devin-g-rhode and you can see that any future icon sizes should have a 1:6.4 ratio of corner radius to icon size. There is also a very good answer from https://stackoverflow.com/a/29550364/396005 which has the location...
Better way to revert to a previous SVN revision of a file?
... is 854. Then, I'd want to get an older revision - the version of the file from few revision earlier, say revision 851.
Copy would work:
svn copy -r 851 svn+ssh://<repository URL>/l3toks.dtx ./l3toks.dtx
.. however, I can't be bothered grepping for the repo URL :)
Update seemingly might...