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Fragment or Support Fragment?
I am developing an app that supports Android >= 4.0. It uses fragments from the android.app package. As I am facing problems with the older fragment implementation in 4.0, like this one , that are already fixed in the support library, I am considering switching back to the fragment implementation...
promise already under evaluation: recursive default argument reference or earlier problems?
...plicitly attempt to find the arguments in a parent frame, bypassing the accidental forcing of the active promise -- e.g. get("f", envir = parent.frame()).
– Kevin Ushey
Nov 22 '16 at 7:40
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Why does Java's Arrays.sort method use two different sorting algorithms for different types?
...dy sorted array, it may not stay unchanged.
Since primitive types have no identity (there is no way to distinguish two ints with the same value), this does not matter for them. But for reference types, it could cause problems for some applications. Therefore, a stable merge sort is used for those.
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When to use pip requirements file versus install_requires in setup.py?
...l package with pip. You'll never be able to use -U because that might override the dependencies from the requirements file? How do you upgrade?
– Sebastian Blask
Nov 13 '13 at 16:48
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How can I find the first occurrence of a sub-string in a python string?
...as index, but searches right to left
Source: Python: Visual QuickStart Guide, Toby Donaldson
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Is there an R function for finding the index of an element in a vector?
...to use which(%in%). BTW, there is no reason to delete your answer. It's valid information.
– Joris Meys
Apr 7 '11 at 13:36
1
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Should I use static_cast or reinterpret_cast when casting a void* to whatever
Both static_cast and reinterpret_cast seem to work fine for casting void* to another pointer type. Is there a good reason to favor one over the other?
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How does Django's Meta class work?
...ted May 7 '18 at 23:21
theUtherSide
2,58833 gold badges2727 silver badges3232 bronze badges
answered Aug 8 '13 at 4:23
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Assign one struct to another in C
...low
struct Foo {
char a;
int b;
double c;
} foo1,foo2;
void foo_assign(void)
{
foo1 = foo2;
}
int main(/*char *argv[],int argc*/)
{
foo_assign();
return 0;
}
The Equivalent ASM Code for foo_assign() is
00401050 <_foo_assign>:
401050: 55 pu...
How to customize a requirements.txt for multiple environments?
...s and use the "-r" flag to tell pip to include the contents of one file inside another. You can break out your requirements into a modular folder hierarchy like this:
`-- django_project_root
|-- requirements
| |-- common.txt
| |-- dev.txt
| `-- prod.txt
`-- requirements.txt
The files' conte...