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C++ new int[0] — will it allocate memory?
...n-zero length of allocated memory, not a non-zero length of usable memory. My point was that two pointers to two distinct objects shouldn't point to the same address.
– ChrisW
Apr 13 '16 at 13:50
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How can I convert JSON to a HashMap using Gson?
...<Map<String, String>>(){}.getType();
Map<String, String> myMap = gson.fromJson("{'k1':'apple','k2':'orange'}", type);
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What is the easiest way to duplicate an activerecord record?
...sts
end
class PostsController < ActionController
def some_method
my_post = Post.find(params[:id])
new_post = my_post.dup
new_post.save
end
end
You can also control which fields get copied in numerous ways, but for example, if you wanted to prevent comments from being duplicated...
How to secure database passwords in PHP?
... a login and password. If I'm using a single, minimum-permission login for my application, then the PHP needs to know that login and password somewhere. What is the best way to secure that password? It seems like just writing it in the PHP code isn't a good idea.
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decorators in the python standard lib (@deprecated specifically)
...for deprecation. I am aware of recipes for it and the warnings module, but my question is: why is there no standard library decorator for this (common) task ?
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What is a good use case for static import of methods?
Just got a review comment that my static import of the method was not a good idea. The static import was of a method from a DA class, which has mostly static methods. So in middle of the business logic I had a da activity that apparently seemed to belong to the current class:
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Should I put the Google Analytics JS in the or at the end of ?
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So it is fine if i put it at the bottom? I rather have my pages load fast by putting everything at the bottom (and css at the top for proper rendering) -edit- its gross to put js up there.
– user34537
Jul 4 '10 at 3:09
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PHPUnit: assert two arrays are equal, but order of elements not important
...iff is what I needed, but it doesn't seem to work for objects. I did write my custom assertion as explained here: phpunit.de/manual/current/en/extending-phpunit.html
– koen
Oct 27 '10 at 10:29
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What is attr_accessor in Ruby?
...entation sketch of attr_accessor and found here at last ! Though it solved my problem, but I am curious to know where(book/official doc) can I find an implementation example like this?
– Wasif Hossain
May 11 '16 at 18:31
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Forward function declarations in a Bash or a Shell script?
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Great question. I use a pattern like this for most of my scripts:
#!/bin/bash
main() {
foo
bar
baz
}
foo() {
}
bar() {
}
baz() {
}
main "$@"
You can read the code from top to bottom, but it doesn't actually start executing until the last line. By passing "$@"...