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How do I commit only some files?
I have two projects. One is the "official" project and the second is a light modification (some files added). I created new branch and I put new files to them. But in during development some files common to both branches is changed.
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Is pass-by-value a reasonable default in C++11?
In traditional C++, passing by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory ma...
Read a file line by line assigning the value to a variable
...cho "Text read from file: $line"
done < my_filename.txt
This is the standard form for reading lines from a file in a loop. Explanation:
IFS= (or IFS='') prevents leading/trailing whitespace from being trimmed.
-r prevents backslash escapes from being interpreted.
Or you can put it in a bash...
Reading GHC Core
...re is GHC's intermediate language. Reading Core can help you better understand the performance of your program. Someone asked me for documentation or tutorials on reading Core, but I couldn't find much.
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Find object in list that has attribute equal to some value (that meets any condition)
... None)
This gets the first item from the list that matches the condition, and returns None if no item matches. It's my preferred single-expression form.
However,
for x in test_list:
if x.value == value:
print("i found it!")
break
The naive loop-break version, is perfectly Pytho...
How can I strip all punctuation from a string in JavaScript using regex?
...ly a quantifier to the preceding, so in this case it's replacing between 2 and 100 whitespace characters (\s) with a single space. If you want to collapse any number of whitespace characters down to one, you would leave off the upper limit like so: replace(/\s{2,}/g, ' ').
– Mi...
Macro vs Function in C
I always saw examples and cases where using a macro is better than using function.
11 Answers
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Testing whether a value is odd or even
I decided to create simple isEven and isOdd function with a very simple algorithm:
22 Answers
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Why can I add named properties to an array as if it were an object?
...you call a "bug" can as well be an awesome "feature". You can add a tittle and description to arrays without affecting their contents or length and without having to wrap them in objects with title, description and items properties. It all depends on how well you know the language and how you use it...
What's the difference between QMainWindow, QWidget and QDialog?
What's the difference between QMainWindow, QWidget and QDialog?
2 Answers
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