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How to reliably open a file in the same directory as a Python script
...ame directory as the currently running Python script by simply using a command like
5 Answers
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Does setting Java objects to null do anything anymore?
I was browsing some old books and found a copy of "Practical Java" by Peter Hagger. In the performance section, there is a recommendation to set object references to null when no longer needed.
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What are the big improvements between guava and apache equivalent libraries?
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First of, as javamonkey79 explained, while Google Guava and Apache Commons do share similar features, they also both have functionality that is absent from their counterpart. Thus, limiting yourself to only one library might be unwise.
That being said, if I had to choose, I'd opt...
Choice between vector::resize() and vector::reserve()
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The two functions do vastly different things!
The resize() method (and passing argument to constructor is equivalent to that) will insert or delete appropriate number of elements to the vector to make it given size (it has optional second argument to specify their value). It will affect the ...
how to mysqldump remote db from local machine
... like to use the mysqldump on my machine to connect to the remote database and do the dump on my machine.
4 Answers
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When to use an object instance variable versus passing an argument to the method
...To some degree, when to use instance variables, how to define their scope, and when to use local variables is subjective, but there are a couple of rules of thumb you can follow whenever creating your classes.
Instance variables are typically considered to be attributes of a class. Think of these ...
Difference between std::system_clock and std::steady_clock?
What is the difference between std::system_clock and std::steady_clock ? (An example case that illustrate different results/behaviours would be great).
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What is the boundary in multipart/form-data?
...As you can see, the server knows that parameters are separated by an ampersand &. If & is required for a parameter value then it must be encoded.
So how does the server know where a parameter value starts and ends when it receives an HTTP request using multipart/form-data?
Using the bounda...
Does Parallel.ForEach limit the number of active threads?
...uses an appropriate number of cores, based on how many you physically have and how many are already busy. It allocates work for each core and then uses a technique called work stealing to let each thread process its own queue efficiently and only need to do any expensive cross-thread access when it ...
Pros and cons of AppSettings vs applicationSettings (.NET app.config / Web.config)
...r to deal with - just slap in a <add key="...." value="..." /> entry and you're done.
The downside is: there's no type-checking, e.g. you cannot safely assume your number that you wanted to configure there really is a number - someone could put a string into that setting..... you just access ...