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Compiled vs. Interpreted Languages
...r doesn't "learn" anything from having seen the line before, the effort of converting human-readable language to machine instructions is incurred every time for every line, so it's dog slow. On the bright side, the user can inspect and otherwise interact with his program in all kinds of ways: Changi...
How can I add (simple) tracing in C#? [closed]
... application I am writing. Sadly, I can never really remember how it works and would like a tutorial with reference qualities to check up on every now and then. It should include:
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How to use stringstream to separate comma separated strings [duplicate]
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Why do you guys always use std:: and full namespaces instead of using namespace? Is there specific reasoning for this? I just always find it as a very noisy and had-to-read syntax.
– Dmitry Gusarov
Oct 14 '19 at 2:45
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How to get current location in Android [duplicate]
...s of getting my current position coordinates using the NETWORK provider of android location system.
3 Answers
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best practice to generate random token for forgot password
...eference. I prefer to do all crypto operations on raw binary and only ever convert to hex/base64 for transmission or storage.
– Scott Arciszewski
Dec 18 '15 at 18:56
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What is the motivation for bringing Symbols to ES6?
...#Type conversion and checking
Unlike other data types, it's impossible to convert the Symbol() to any other data type.
It's possible to "make" a symbol based on primitive data type by calling Symbol(data).
In terms of checking the type, nothing changes.
function isSymbol ( variable ) {
retu...
Weak and strong property setter attributes in Objective-C
...ve to manually manage CFRelease() and CFRetain() for CF objects. When you convert them back to NS objects you have to tell the compiler about the retain count so it knows what you have done.
Its all here.
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How can the Euclidean distance be calculated with NumPy?
...sive square roots. That'll be much faster. We can also improve in_range by converting it to a generator:
def in_range(origin, range, things):
range_sq = range**2
yield from (thing for thing in things
if distance_sq(origin, thing) <= range_sq)
This especially has benefit...
What do column flags mean in MySQL Workbench?
...nary (stores data as binary strings. There is no character set so sorting and comparison is based on the numeric values of the bytes in the values.)
UN - Unsigned (non-negative numbers only. so if the range is -500 to 500, instead its 0 - 1000, the range is the same but it starts at 0)
UQ - Cr...
How to clear ostringstream [duplicate]
...them, then you don't need to call clear().
Usually it is easier, cleaner, and more straightforward (straightforwarder?) just to use a new std::ostringstream object instead of reusing an existing one, unless the code is used in a known performance hot spot.
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