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How can I implement a tree in Python?
...order tree iteration
resolve relative and absolute node paths
walking from one node to an other.
tree rendering (see example above)
node attach/detach hookups
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PowerShell: Setting an environment variable for a single command only
... somehow seems like cheating. :-) The PSCX Push/Pop-EnvironmentBlock (the one I changed to make work this way) would work but it doesn't have the automatic cleanup support that a scriptblock has.
– Keith Hill
Sep 14 '09 at 17:01
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“std::endl” vs “\n”
...d programs where, generally, the first version will write a single line in one shot where the second version may be split by writes from other threads. Often enough I find myself writing std::cout << "hello\n" << std::flush to avoid this.
– smparkes
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Concurrent.futures vs Multiprocessing in Python 3
...ing.Pool objects as context managers was added in Python 3.3.
As for which one is easier to work with, they're essentially identical.
One difference is that Pool supports so many different ways of doing things that you may not realize how easy it can be until you've climbed quite a way up the learni...
In C++, if throw is an expression, what is its type?
I picked this up in one of my brief forays to reddit:
4 Answers
4
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How to click first link in list of items after upgrading to Capybara 2.0?
...nt is that xpath can address an array of matches and pull out a particular one. You should be able to match with this.
A working example example from one of my projects:
within page.find("div.panel", text: /Proposals/) do
within page.find('tr', text: /Foo/) do
page.should have_xpath('td[3]...
Exporting data In SQL Server as INSERT INTO
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This will allow you to generate scripts for a single or all tables, and one of the options is "Script Data". If you set that to TRUE, the wizard will generate a script with INSERT INTO () statement for your data.
If using 2008 R2 or 2012 it is called something else, see screenshot below this o...
IntelliJ 13 - Add Navigate Back/Forward to toolbar?
...d buttons in the 5th group.
If you want to make the toolbar visible, it's one of the checkable options on the view menu.
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Git mergetool with Meld on Windows
... you were to copy libgirepository-1.0-1.dll which is in your lib directory one directory up (that is the same directory as Meld.exe) and start, you would find things working,
– demongolem
Apr 11 '19 at 16:03
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'POCO' definition
Can someone define what exactly 'POCO' means? I am encountering the term more and more often, and I'm wondering if it is only about plain classes or it means something more?
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