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Why should C++ programmers minimize use of 'new'?
... discipline and have other potential issues (copyability, reference loops, etc.).
Also, in heavily multithreaded scenarios, new is a point of contention between threads; there can be a performance impact for overusing new. Stack object creation is by definition thread-local, since each thread has i...
How do I check if there are duplicates in a flat list?
...n.add(x)
return False
If your items are not hashable (sublists, dicts, etc) it gets hairier, though it may still be possible to get O(N logN) if they're at least comparable. But you need to know or test the characteristics of the items (hashable or not, comparable or not) to get the best perfor...
Good example of livelock?
... This time I have modified it to create deadlock, race condition, livelock etc.
So let's understand the problem statement first;
Cookie Maker Problem
There are some ingredient containers: ChocoPowederContainer, WheatPowderContainer. CookieMaker takes some amount of powder from ingredient containe...
CSS display:table-row does not expand when width is set to 100%
...
If you're using display:table-row etc., then you need proper markup, which includes a containing table. Without it your original question basically provides the equivalent bad markup of:
<tr style="width:100%">
<td>Type</td>
<td ...
Difference between Grunt, NPM and Bower ( package.json vs bower.json )
... but bower js is used for managing front end components like html, css, js etc.
A fact that makes this more confusing is that npm provides some packages which can be used in front-end development as well, like grunt and jshint.
These lines add more meaning
Bower, unlike npm, can have multiple...
What specific productivity gains do Vim/Emacs provide over GUI text editors?
...tools (shell commands, scripts, compilers, version control systems, ctags, etc.) than most editors. Even something simple like :.!, to pipe a command's output into a buffer, is something you won't find in most GUI editors.
A tabbed interface is not as nice as the "windowed" interface that Vim/Emacs...
Protecting executable from reverse engineering?
... how code works. Finding creative ways to break disassemblers, debuggers, etc is both likely to be more effective and also more intellectually satisfying than just generating reams of horrible spaghetti code. This does nothing to block a determined attacker, but it does increase the likelihood tha...
Design patterns or best practices for shell scripts [closed]
...t talk about best practices or design patterns for shell scripts (sh, bash etc.)?
9 Answers
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Transactions in REST?
...s for different stages of a transaction (proposal, purchase order, receipt etc). Even more for buying a house, with settlement etc.
OTOH This feels like playing with semantics to me; I'm uncomfortable with the nominalization of converting verbs into nouns to make it RESTful, "because it uses nouns ...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...ow supports numpy. Some extensions are still not supported (Pandas, SciPy, etc.), take a look at the list of supported packages before making the change.
Python 3 support is experimental at the moment. has just reached stable! As of 20th June 2014, PyPy3 2.3.1 - Fulcrum is out!
PyPy sometimes isn't ...