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Accessing last x characters of a string in Bash
...gative offset must be separated from the colon by at least one
space to avoid being confused with the ‘:-’ expansion. Substring indexing is
zero-based unless the positional parameters are used, in which case the indexing
starts at 1 by default. If offset is 0, and the positional parameters are u...
call a static method inside a class?
how do i call a static method from another method inside the same class?
4 Answers
4
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Google Authenticator implementation in Python
...o functions:
get_hotp_token() generates one-time token (that should invalidate after single use),
get_totp_token() generates token based on time (changed in 30-second intervals),
Parameters
When it comes to parameters:
secret is a secret value known to server (the above script) and client (Go...
PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
...designed language, only to save 2 characters. It's as if java code style said that it's petter to put { on a new line after if (saves the same number of characters) but not in class definition. Also a keyword parameter is different than default value but still uses the same style recommendation.
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SVN:externals equivalent in Git?
...at. What was added was relative URL addressing.
– David W.
Aug 6 '13 at 19:52
@NateParsons but is it possible to omit ...
Can you use hash navigation without affecting history?
I'm afraid it might be impossible but is there a way to change the hash value of a URL without leaving an entry in the browser's history and without reloading ? Or do the equivalent?
...
Necessary to add link tag for favicon.ico?
...nks to the appropriate spec which shows a rel value of shortcut isn't a valid option.
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git diff between cloned and original remote repository
... When I tried it with git 2.7.4 the "git diff master foobar/master" did not show differences. I looks to me like it compares my local copy ("master") with the repo given as 1st argument ("master") and in there only diffs the "path/file" "foobar/master". But the command "diff foobar/master" wor...
What is the difference between a shim and a polyfill?
...him is any piece of code that performs interception of an API call and provides a layer of abstraction. It isn't necessarily restricted to a web application or HTML5/CSS3.
A polyfill is a type of shim that retrofits legacy browsers with modern HTML5/CSS3 features usually using Javascript or Flash.
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Difference between ProcessBuilder and Runtime.exec()
...f strings, where each string in the array or list is assumed to be an individual argument. Either way, the arguments obtained are then joined up into a string that is passed to the OS to execute.
So, for example, on Windows,
Runtime.getRuntime().exec("C:\DoStuff.exe -arg1 -arg2");
will run a Do...