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How do I debug Node.js applications?
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node-inspector could save the day! Use it from any browser supporting WebSocket. Breakpoints, profiler, livecoding, etc... It is really awesome.
Install it with:
npm install -g node-inspector
Then run:
node-debug app.js
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What is the GAC in .NET?
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Right, so basically it's a way to keep DLLs globally accessible without worrying about conflicts. No more DLL Hell. Each architecture and version gets it's own place to live.
It also gets it own way to browse it in Explorer, so if you go to
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Postgres: INSERT if does not exist already
I'm using Python to write to a postgres database:
17 Answers
17
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How to prevent the activity from loading twice on pressing the button
I am trying to prevent the activity from loading twice if I press the button twice instantly after the first click.
19 Answ...
What does Serializable mean?
What exactly does it mean for a class to be Serializable in Java? Or in general, for that matter...
10 Answers
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Conveniently Declaring Compile-Time Strings in C++
...rings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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Test for multiple cases in a switch, like an OR (||)
How would you use a switch case when you need to test for a or b in the same case?
6 Answers
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How to determine whether a given Linux is 32 bit or 64 bit?
When I type uname -a , it gives the following output.
21 Answers
21
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When is “i += x” different from “i = i + x” in Python?
...This depends entirely on the object i.
+= calls the __iadd__ method (if it exists -- falling back on __add__ if it doesn't exist) whereas + calls the __add__ method1 or the __radd__ method in a few cases2.
From an API perspective, __iadd__ is supposed to be used for modifying mutable objects i...
Where do “pure virtual function call” crashes come from?
I sometimes notice programs that crash on my computer with the error: "pure virtual function call".
8 Answers
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