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Is there a visual profiler for Python? [closed]
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A friend and I have written a Python profile viewer called SnakeViz that runs in a web browser. If you are already successfully using RunSnakeRun SnakeViz may not add that much value, but SnakeViz is much easier to install.
Edit: Sna...
What is the difference between public, private, and protected?
When and why should I use public , private , and protected functions and variables inside a class? What is the difference between them?
...
Error: Jump to case label
...the same issue but using a goto instead of a switch:
int main() {
if(rand() % 2) // Toss a coin
goto end;
int i = 42;
end:
// We either skipped the declaration of i or not,
// but either way the variable i exists here, because
// variable scopes are resolved at compi...
How to overload __init__ method based on argument type?
... reason it's neater is that there is no doubt about what type is expected, and you aren't forced to guess at what the caller intended for you to do with the datatype it gave you. The problem with isinstance(x, basestring) is that there is no way for the caller to tell you, for instance, that even th...
What is the fundamental difference between WebSockets and pure TCP?
I've read about WebSockets and I wonder why browser couldn't simply open trivial TCP connection and communicate with server like any other desktop application. And why this communication is possible via websockets?
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How to post JSON to a server using C#?
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The way I do it and is working is:
var httpWebRequest = (HttpWebRequest)WebRequest.Create("http://url");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebReq...
What Product Flavor does Android Studio build by default in build.gradle?
We have an Android project that uses the new Gradle build system, and we use Android Studio as a development tool. When there are several product flavors specified in build.gradle , we notice that Android Studio builds the first one specified alphabetically. Is there a way to tell Android Studio to...
Assigning a variable NaN in python without numpy
...r all comparisons returning false for IEEE754 NaN values? for more details and information.
Instead, use math.isnan(...) if you need to determine if a value is NaN or not.
Furthermore, the exact semantics of the == operation on NaN value may cause subtle issues when trying to store NaN inside con...
How to clear APC cache entries?
...on apc_clear_cache.
Calling apc_clear_cache() will clear the system cache and calling apc_clear_cache('user') will clear the user cache.
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Resolve build errors due to circular dependency amongst classes
...t this is to "think like a compiler".
Imagine you are writing a compiler. And you see code like this.
// file: A.h
class A {
B _b;
};
// file: B.h
class B {
A _a;
};
// file main.cc
#include "A.h"
#include "B.h"
int main(...) {
A a;
}
When you are compiling the .cc file (remember that th...