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Can I write into the console in a unit test? If yes, why doesn't the console window open?
...un a unit test through Visual Studio 2010, standard output is redirected by the test harness and stored as part of the test output. You can see this by right-clicking the Test Results window and adding the column named "Output (StdOut)" to the display. This will show anything that was written to s...
What is a deadlock?
...before it can finish.
So, an example:
Resource A and resource B are used by process X and process Y
X starts to use A.
X and Y try to start using B
Y 'wins' and gets B first
now Y needs to use A
A is locked by X, which is waiting for Y
The best way to avoid deadlocks is to avoid having process...
Understanding recursion [closed]
...Now see how we conquered a structure of arbitrary depth and "branchiness", by considering it as the repeated application of a composite template? each time through our sumNode function, we dealt with only a single node, using a single if/then branch, and two simple return statements that almost wro...
What is a “feature flag”?
...ng a config, without deploying new code" means that the configs are served by the feature flag service and your application accesses the values by pulling that config file. This way you can be sure that changing a value does not need any kind of re-deployment of the app. On top of that it lets you ...
How to use the same C++ code for Android and iOS?
...and a lot of problems are shown to you while you edit your code.
The code by steps
Our sample is a simple app that you send a text to CPP, and it converts that text to something else and returns it. The idea is, iOS will send "Obj-C" and Android will send "Java" from their respective languages, an...
How to change a Git remote on Heroku
...
As there was no correct answer designated by OP and this answer is by-in-large the answer to OP's question and has more upvotes than the "top" answer above does, why is this answer still shown below the lesser agreed upon answer? Thanks.
– Devon...
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
... object-orientation, some of them are:
class-based OO (first introduced by Smalltalk)
prototype-based OO (first introduced by Self)
multimethod-based OO (first introduced by CommonLoops, I think)
predicate-based OO (no idea)
And probably others I don't know about.
JavaScript implements prototy...
How does bash tab completion work?
... parts to the autocompletion:
The readline library, as already mentioned by fixje, manages the command line editing, and calls back to bash when tab is pressed, to enable completion. Bash then gives (see next point) a list of possible completions, and readline inserts as much characters as are ide...
Rails: Is there a rails trick to adding commas to large numbers?
... @Mo It's a view helper method. You should be able to use it from a module by including ActionView::Helpers::NumberHelper within the module.
– John Topley
Jul 22 '10 at 7:55
9
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Understanding repr( ) function in Python
... quote. Of course it does, otherwise it wouldn't be a valid string literal by Python rules. That's precisely what you asked for by calling repr.
Also note that the eval(repr(x)) == x analogy isn't meant literal. It's an approximation and holds true for most (all?) built-in types, but the main thing...