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Can constructors be async?
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Your problem is comparable to the creation of a file object and opening the file. In fact there are a lot of classes where you have to perform two steps before you can actually use the object: create + Initialize (often called something similar to Open).
The advantage of ...
How to exit pdb and allow program to continue?
...eakpoint then you need to:
Make a note of the breakpoint number, (or the file and line number),
Either cl bp_number or clear file:line to permanently remove the breakpoint or disable pb_number to toggle it off but be able to toggle it back.
Then continue and your program run until then next differ...
Does IMDB provide an API? [closed]
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IMDB themselves seem to distribute data, but only in text files:
http://www.imdb.com/interfaces
there are several APIs around this that you can Google. Screen scraping is explicitly forbidden.
A official API seems to be in the works, but has been that for years already.
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How to execute shell command in Javascript
...r exec = require('child_process').exec, child;
child = exec('cat *.js bad_file | wc -l',
function (error, stdout, stderr) {
console.log('stdout: ' + stdout);
console.log('stderr: ' + stderr);
if (error !== null) {
console.log('exec error: ' + error);
...
List all the modules that are part of a python package?
...e the variable package is pointing to a package, not a module. Modules are files whereas packages are directories. All packages have the __path__ attribute (... unless someone deleted the attribute for some reason.)
– unutbu
Feb 26 '18 at 11:46
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Shell equality operators (=, ==, -eq)
... regular expressions with =~, and yes, suppression of string-splitting and filesystem globbing) will be available. Since [[ is non-POSIX syntax in its entirety, there's no additional portability loss in assuming that the features it was born with will be available.
– Charles Du...
What makes a keychain item unique (in iOS)?
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The primary keys are as follows (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp):
For a keychain item of class kSecClassGenericPassword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keychain item of class...
Git: what is a dangling commit/blob and where do they come from?
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Also, any time you 'git add' a file, but don't commit that exact version of the file, you end up with a dangling blob. Nothing to be worried about.
– canton7
Aug 29 '13 at 17:32
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What is declarative programming? [closed]
...etty-printing, fancy-formatting and syntax highlighting of the yacc source file itself and include it in your Reference Manual as a syntactic specification of your language
And many more …
Optimization
Because you don't prescribe the computer which steps to take and in what order, it can rearr...
Grouping functions (tapply, by, aggregate) and the *apply family
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R has many *apply functions which are ably described in the help files (e.g. ?apply). There are enough of them, though, that beginning useRs may have difficulty deciding which one is appropriate for their situation or even remembering them all. They may have a general sense that "I should ...