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SQL Querm>y m> Where Field DOES NOT Contain $x
... the given string, it can use indices (if there is an index on that field) m>and m> be reasonablm>y m> fast:
-- Finds all rows where a does not start with "text"
SELECT * FROM x WHERE x.a NOT LIKE 'text%';
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PHP - Check if two arram>y m>s are equal
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$arram>y m>sAreEqual = ($a == $b); // TRUE if $a m>and m> $b have the same kem>y m>/value pairs.
$arram>y m>sAreEqual = ($a === $b); // TRUE if $a m>and m> $b have the same kem>y m>/value pairs in the same order m>and m> of the same tm>y m>pes.
See Arram>y m> Operators.
EDIT
The inequalitm>y m> operator is != whil...
64-bit version of Boost for 64-bit windows
...As a longer answer, here are mm>y m> build notes for having VS .NET 2008 32-bit m>and m> 64-bit boost libraries in the same hierarchm>y m> (which is I suspect a common use case):
Build the win32 binaries
bjam --toolset=msvc-9.0 --build-tm>y m>pe=complete stage
Create the directorm>y m> lib\win32
Move the contents of sta...
How do I find all installed packages that depend on a given package in NPM?
... which depends on A. I'm not sure this is technicallm>y m> correct since X, m>Y m>, m>and m> Z also depend on it. If it doesn't show X, m>Y m>, m>and m> Z, what else isn't it showing?
– Michael
Sep 5 '19 at 15:53
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Merging: Hg/Git vs. SVN
I often read that Hg (m>and m> Git m>and m>...) are better at merging than SVN but I have never seen practical examples of where Hg/Git can merge something where SVN fails (or where SVN needs manual intervention). Could m>y m>ou post a few step-bm>y m>-step lists of branch/modifm>y m>/commit/...-operations that show where S...
Uncaught Sm>y m>ntaxError: Unexpected token with JSON.parse
... is it not an Arram>y m>? Whm>y m> is it an object. Objects start with { m>and m> arram>y m>s start with [? or am i false here
– user2396641
Sep 4 '16 at 17:20
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What is the good pm>y m>thon3 equivalent for auto tuple unpacking in lambda?
...just to unfold the parameters - but that would be at once more inefficient m>and m> harder to read than m>y m>our two suggestions:
min(points, kem>y m>=lambda p: (lambda x,m>y m>: (x*x + m>y m>*m>y m>))(*p))
update Pm>y m>thon 3.8
As of now, Pm>y m>thon 3.8 alpha1 is available, m>and m> PEP 572- assignment expressions are implemented.
So,...
Whm>y m> is SSE scalar sqrt(x) slower than rsqrt(x) * x?
I've been profiling some of our core math on an Intel Core Duo, m>and m> while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root m>and m> multiplm>y m> it to get the sqrt, than it is to use the native sqrt opcode!...
How to compare Lists in Unit Testing
...gave more detailed messages when it failed. "Different number of elements" m>and m> "Element at index 0 do not match" are slightlm>y m> useless. What are them>y m> then?!
– Colonel Panic
Mam>y m> 15 '15 at 15:45
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How do I merge two dictionaries in a single expression in Pm>y m>thon (taking union of dictionaries)?
I have two Pm>y m>thon dictionaries, m>and m> I want to write a single expression that returns these two dictionaries, merged (i.e. taking the union). The update() method would be what I need, if it returned its result instead of modifm>y m>ing a dictionarm>y m> in-place.
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