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Is it possible to allow didSet to be called during initialization in Swift?
... do this because self hasn't been fully initialized. Since
someProperty doesn't require initialization and you are calling a
method dependent on self, Swift leaves the initialization context and
didSet will run.
shar...
Does Git Add have a verbose switch
...
Well, like (almost) every console program for unix-like systems, git does not tell you anything if a command succeeds. It prints out something only if there's something wrong.
However if you want to be sure of what just happened, just type
git status
and see which changes are going to be c...
How to avoid variable substitution in Oracle SQL Developer with 'trinidad & tobago'
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What (else) does set define off; do?
– Xonatron
Mar 16 '12 at 18:54
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Replace all 0 values to NA
...prising that
data.frame(x = c(1, NULL, 2))
# x
# 1 1
# 2 2
That is, R does not reserve any space for this null object.2 Meanwhile, looking at ?'NA' we see that
NA is a logical constant of length 1 which contains a missing value
indicator. NA can be coerced to any other vector type except ...
Haskell, Lisp, and verbosity [closed]
... with what would be left in Haskell? Another example: suppose that Haskell does not support pattern matching, could you add it yourself without having to for GHC's developers to support it? In CL, you can use macros to extend the language at will. I suppose that's why CL the language did not change ...
What are the rules for JavaScript's automatic semicolon insertion (ASI)?
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please note ASI does not need to actually "insert semicolons", just to terminate the statement in an engine's parser...
– Aprillion
Jan 15 '16 at 22:16
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can we use xpath with BeautifulSoup?
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Nope, BeautifulSoup, by itself, does not support XPath expressions.
An alternative library, lxml, does support XPath 1.0. It has a BeautifulSoup compatible mode where it'll try and parse broken HTML the way Soup does. However, the default lxml HTML parser ...
Random / noise functions for GLSL
...ow.com/questions/11293628/…. The github.com/ashima/webgl-noise project does not seem to have lowp issues.
– P.T.
Apr 6 '13 at 2:50
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Does JavaScript have “Short-circuit” evaluation?
...ent, as in times of JIT-compiling-magic in javascript implementations, one does really want to know if something is "the standard" , or potentially subject to the implementation. The way a condition statement with Binary Logical Operators is evaluated and (short-curcuit) is a standard behavior ecma-...
What is the purpose of the word 'self'?
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The reason you need to use self. is because Python does not use the @ syntax to refer to instance attributes. Python decided to do methods in a way that makes the instance to which the method belongs be passed automatically, but not received automatically: the first parameter...