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Android static object lifecycle
...while the accepted answer is technically correct, it doesn't provide all information.
As the link above suggests, if you really want to stick with that model, you need to be ready to check for null and recreate the data, if possible.
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Does a const reference class member prolong the life of a temporary?
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How do I prevent site scraping? [closed]
...culties that I've encountered while writing scrapers, as well as bits of information and ideas from around the interwebs.
How to stop scraping
You can't completely prevent it, since whatever you do, determined scrapers can still figure out how to scrape. However, you can stop a lot of scraping by...
C++ Tuple vs Struct
...he help from one of my colleague to identify the differences in term of performance between tuple and struct. We first start with a default struct and a tuple.
struct StructData {
int X;
int Y;
double Cost;
std::string Label;
bool operator==(const StructData &rhs) {
...
How to automatically generate N “distinct” colors?
...ed hue values are equally perceptually different. Even discounting various forms of colorblindness, this is not true for most people: the difference between 120° (green) and 135° (very slightly mint green) is imperceptible, while the difference between 30° (orange) and 45° (peach) is quite obvio...
ES6 class variable alternatives
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Please avoid the delete operator, if alone for performance reasons. What you actually want here is Object.defineProperty.
– Bergi
Oct 23 '15 at 4:02
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“Diff” an image using ImageMagick
...the original to the written on image and extract just the writing in image format.
2 Answers
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PHP: exceptions vs errors?
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@slhsen the issue really is crappy terminology, all forms of these messages go through the "error handling system" in PHP, semantically all of these events are "errors", even though semantically notice/warning is most definitely not the same as an "error" in that context. Than...
How can I change my Cygwin home folder after installation?
...me: windows
Or, equivalently:
db_home: /%H
You need to use the latter form if you want some variation on this scheme, such as to segregate your Cygwin home files into a subdirectory of your Windows user profile directory:
db_home: /%H/cygwin
There are several other alternative schemes for th...
Git merge left HEAD marks in my files
... will work if your files are listed as needing a merge.
You can also perform one of:
git checkout --ours -- /path/to/conflicted-file # this is probably the one you want
git checkout --theirs -- /path/to/conflicted-file
You can see the different versions using the :1:filename syntax. See...