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How do I use valgrind to find memory leaks?
...first
gcc -o executable -std=c11 -Wall -ggdb3 main.c # add -ggdb3 to it
Now with this debug build, Valgrind points to the exact line of code
allocating the memory that got leaked! (The wording is important: it might not
be exactly where your leak is, but what got leaked. The trace helps you fin...
What's so bad about Template Haskell?
...ond where it will appear; you can have a value of type Exp, but you don't know if it is an expression that represents a [Char] or a (a -> (forall b . b -> c)) or whatever. TH would be more reliable if one could express that a function may only generate expressions of a certain type, or only fu...
Embed git commit hash in a .Net dll
...on. The Microsoft.NET.Sdk (meaning you must be using an sdk-style project) now includes support for adding the commit hash to both the assembly informational version as well as to the nuget package metadata, if some conditions are met:
The <SourceRevisionId> property must be defined. This can...
How to pretty print nested dictionaries?
...
U know @Ken's conventional answer is much better than this. Json already handles everything and this can give errors such: UnicodeEncodeError: 'ascii' codec can't encode character u'\xf3' in position 50: ordinal not in range(128...
CSS3 box-sizing: margin-box; Why not?
... is the whole point of this question). Even if such a value was introduced now, how do you propose patching/polyfilling/shimming it into existing browsers?
– BoltClock♦
Sep 18 '16 at 9:25
...
What are some uses of template template parameters?
...lustrative, is no longer an amazing example due to c++11 introducing auto. Now the same function can be written as:
template <class Cont>
void f(Cont &v) {
auto temp = v.back();
v.pop_back();
// Do some work on temp
std::cout << temp << std::endl;
}
which i...
What exactly is an HTTP Entity?
... in the latest HTTP 1.1 specifications. Looks like it's been deprecated. Now we can just stick with "header fields" and "message body".
– Hawkeye Parker
Oct 13 '14 at 7:13
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How do I compare strings in Java?
...most always want to use Objects.equals(). In the rare situation where you know you're dealing with interned strings, you can use ==.
From JLS 3.10.5. String Literals:
Moreover, a string literal always refers to the same instance of class String. This is because string literals - or, more genera...
How to maintain a Unique List in Java?
...
Now I am confused, which one shall I use? I just need to have maintain a list of unique strings. So basically even when an existing string is added it should actually get added.
– user1804287
...
best way to preserve numpy arrays on disk
... @daniel451 Because any language can read binary files if they just know the shape, data type and whether it's row or column based. If you're just using Python then npy is fine, probably a little easier than binary.
– Mark
Jun 2 '17 at 19:36
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