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“f” after number
...jective-C; putting an f on the end - 0.0f - declares the constant as a (32-bit) float.)
CGRect frame = CGRectMake(0, 0, 320, 50);
uses ints which will be automatically converted to floats.
In this case, there's no (practical) difference between the two.
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What does |= (ior) do in Python?
... an update operation
counters: a union (of multisets) operation
numbers: a bitwise OR, binary operation
In most cases, it is related to the | operator. See examples below.
Sets
For example, the union of two assigned sets s1 and s2 share the following equivalent expressions:
>>> s1 = s1 | ...
0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...the rounding mode when converting the double to float. float has 24 binary bits of precision, and double has 53. In binary, 0.1 is:
0.1₁₀ = 0.0001100110011001100110011001100110011001100110011…₂
^ ^ ^ ^
1 10 20 24
So if we round up ...
Why are unnamed namespaces used and what are their benefits?
... then you said 3 vs 4 seconds are "the same time". neither of these make a bit of sense. i suspect the real explanation would, but what is it?
– underscore_d
Dec 25 '15 at 2:13
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above
...ago. It was working fine. Suddenly, When I open eclipse today, it keeps showing me following error:
11 Answers
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How to see the changes between two commits without commits in-between?
... answered Jan 29 '19 at 19:38
bit_cracker007bit_cracker007
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How to set custom favicon in Express?
...0/favicon.ico returns Cannot GET /favicon.ico.
– user1063287
Sep 20 at 3:23
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How to check the version before installing a package using apt-get?
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10 Answers
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Fundamental difference between Hashing and Encryption algorithms
...I'll do my best here:
Hash Functions
They provide a mapping between an arbitrary length input, and a (usually) fixed length (or smaller length) output. It can be anything from a simple crc32, to a full blown cryptographic hash function such as MD5 or SHA1/2/256/512. The point is that there's a o...
HTTP Error 503. The service is unavailable. App pool stops on accessing website
...s on this and I have tried many a things by now. But to no avail. Myself a Winforms Developer basically, started working on this Web stuff few days back as my company is taking Web initiatives.
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