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How are Python's Built In Dictionaries Implemented?
...e).
Python dictionaries are implemented as hash tables.
Hash tables must allow for hash collisions i.e. even if two distinct keys have the same hash value, the table's implementation must have a strategy to insert and retrieve the key and value pairs unambiguously.
Python dict uses open addressin...
std::wstring VS std::string
...ut << "wtext : " << wtext << std::endl ; <- error
std::cout << "wtext : UNABLE TO CONVERT NATIVELY." << std::endl ;
std::wcout << L"wtext : " << wtext << std::endl;
std::cout << "sizeof(wtext) : " <...
unsigned int vs. size_t
... static array of 8Gb).
The size_t type may be bigger than, equal to, or smaller than an unsigned int, and your compiler might make assumptions about it for optimization.
You may find more precise information in the C99 standard, section 7.17, a draft of which is available on the Internet in pdf fo...
Fatal error: “No Target Architecture” in Visual Studio
...t using Visual Studio 2010 in either Win32 or x64 mode I get the following error:
11 Answers
...
“Unknown provider: aProvider
...through UglifyJS) version of my AngularJS application, I get the following error in the console:
9 Answers
...
Search and replace in Vim across all the project files
...eral times on a same line (g flag)
with user confirmation (c flag)
without error if no pattern found (e flag)
:cnf ⇒ jump to next file in the list created by the vim command
q ⇒ stop recording macro
1000@a ⇒ play macro stored in register a 1000 times
:wa ⇒ save all modified buffers
* EDIT...
Redirect stdout pipe of child process in Go
...laimer: not tested.)
By the way, you'll probably want to capture standard-error as well, by using the same approach as for standard-output, but with cmd.StderrPipe and os.Stderr.
share
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improve th...
How to install pip for Python 3 on Mac OS X?
...install)"
then:
brew doctor
The last step gives you some warnings and errors that you have to resolve. One of those will be to download and install the Mac OS X command-line tools.
then:
brew install python3
This gave me python3 and pip3 in my path.
pieter$ which pip3 python3
/usr/local/bi...
Optional Parameters with C++ Macros
...
XXX_4(1,2,3,4);
5;
PS: Remove the #define for XXX_0 to get a compile error [ie: if a no-argument option is not allowed].
PPS: Would be nice to have the invalid situations (eg: 5) be something that gives a clearer compilation error to the programmer!
PPPS: I'm not an expert, so I'm very happy...
Convert an array of primitive longs into a List of Longs
...
ericksonerickson
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