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Python Logging (function name, file name, line number) using a single file
...ywhere you want, just add:
logger.debug('your message')
Example output from a script I'm working on right now:
[invRegex.py:150 - handleRange() ] ['[A-Z]']
[invRegex.py:155 - handleRepetition() ] [[<__main__.CharacterRangeEmitter object at 0x10ba03050>, '{', '1', '}']]
[invRe...
Why are functions in Ocaml/F# not recursive by default?
...s definition inside the body of a new definition. F# inherited this syntax from OCaml.
For example, superceding the function p when computing the Shannon entropy of a sequence in OCaml:
let shannon fold p =
let p x = p x *. log(p x) /. log 2.0 in
let p t x = t +. p x in
-. fold p 0.0
Note ...
Why is rbindlist “better” than rbind?
I am going through documentation of data.table and also noticed from some of the conversations over here on SO that rbindlist is supposed to be better than rbind .
...
How to handle initializing and rendering subviews in Backbone.js?
...er inside the initialize method is a bad practice, because it prevents you from being more performant in cases where you don't want to render right away. What do you think about this?
– Ian Storm Taylor
Mar 5 '12 at 22:59
...
Why does z-index not work?
...re flex items or grid items can use z-index even when position is static.
From the specs:
4.3. Flex Item Z-Ordering
Flex items paint exactly the same as inline blocks, except that order-modified document order is used in place of raw
document order, and z-index values other than auto cr...
Why escape_javascript before rendering a partial?
... Yeah, actually it's more of a formatting method. It doesn't prevent users from executing their own javascript. Nothing can prevent that.
– LasagnaAndroid
Feb 23 '15 at 1:31
3
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Why declare unicode by string in python?
...e characters in the string (that is, u'\u2665' is now legal). You can use from __future__ import unicode_literals to make it the default.
This only applies to Python 2; in Python 3 the default is Unicode, and you need to specify a b in front (like b'These are bytes', to declare a sequence of bytes...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
... elementAdapter.read(in);
afterRead(tree);
return delegate.fromJsonTree(tree);
}
};
}
/**
* Override this to muck with {@code toSerialize} before it is written to
* the outgoing JSON stream.
*/
protected void beforeWrite(C source, JsonElement toSerialize) {
...
Google Authenticator implementation in Python
...Unix timestamp in any given moment in time).
Make sure to protect yourself from brute-force attack. If time-based password is used, then trying 1000000 values in less than 30 seconds gives 100% chance of guessing the password. In case of HMAC-based passowrds (HOTPs) it seems to be even worse.
Exam...
Difference between ProcessBuilder and Runtime.exec()
I'm trying to execute an external command from java code, but there's a difference I've noticed between Runtime.getRuntime().exec(...) and new ProcessBuilder(...).start() .
...