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How to make inline functions in C#
...e2 = (l, r) => 1;
Comparison<string> compare3 = compare1; // this one only works from C# 4.0 onwards
These can be invoked directly as if they were regular methods:
int x = add(23, 17); // x == 40
print(x); // outputs 40
helloWorld(x); // helloWorld has one int parameter declared: Action&...
Can I mix MySQL APIs in PHP?
...They are separate APIs and the resources they create are incompatible with one another.
There is a mysqli_close, though.
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Throwing the fattest people off of an overloaded airplane.
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One way would be to use a min heap (std::priority_queue in C++). Here's how you'd do it, assuming you had a MinHeap class. (Yes, my example is in C#. I think you get the idea.)
int targetTotal = 3000;
int totalWeight = 0;
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What is a coroutine?
...ollaborative: at any given time, a program with coroutines is running only one of its coroutines, and this running coroutine suspends its execution only when it explicitly requests to be suspended.
So the point is: Coroutines are "collaborative". Even in multi-core system, there is only one coro...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...thon installed, /usr/bin/env will ensure the interpreter used is the first one on your environment's $PATH. The alternative would be to hardcode something like #!/usr/bin/python; that's ok, but less flexible.
In Unix, an executable file that's meant to be interpreted can indicate what interpreter t...
How to search through all Git and Mercurial commits in the repository for a certain string?
...lking the commit ancestry chain, walk reflog entries from
the most recent one to older ones.
So you could do this to find a particular string in a commit message that is dangling:
git log -g --grep=search_for_this
Alternatively, if you want to search the changes for a particular string, you c...
The static keyword and its various uses in C++
The keyword static is one which has several meanings in C++ that I find very confusing and I can never bend my mind around how its actually supposed to work.
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How important is the order of columns in indexes?
...t not for B=@b, for C=@c norB=@b AND C=@c. The case A=@a AND C=@c is mixed one, as in the A=@a portion will use the index, but the C=@c not (the query will scan all B values for A=@a, will not 'skip' to C=@c). Other database systems have the so called 'skip scan' operator that can take some advantag...
Android View.getDrawingCache returns null, only null
Would anyone please try to explain to me why
10 Answers
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Git error on commit after merge - fatal: cannot do a partial commit during a merge
... you try a message that includes spaces without quotes. Eg. [git commit -m one two three] Correct: [git commit -m "one two three"]
– Skychan
Jun 20 '18 at 21:23
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