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How do I deep copy a DateTime object?
Now $date1 and $date2 contain the same date -- three years from now. I'd like to create two separate datetimes, one which is parsed from a string and one with three years added to it. Currently I've hacked it up like this:
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Reasons for using the set.seed function
...s the possible desire for reproducible results, which may for example come from trying to debug your program, or of course from trying to redo what it does:
These two results we will "never" reproduce as I just asked for something "random":
R> sample(LETTERS, 5)
[1] "K" "N" "R" "Z" "G"
R> sa...
Command copy exited with code 4 when building - Visual Studio restart solves it
...inues on error). Not really a solution but mostly it has stopped my builds from failing.
Another solution which only works on 32 bit is to use the unlocker tool to release the windows handles on the file before the copy.
Edit: I've just realised that it works under 64 bits too.
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How do function pointers in C work?
...r I know this is 4 years too late, but I figure other people might benefit from this: Function pointers are useful for passing functions as parameters to other functions. It took a lot of searching for me to find that answer for some odd reason. So basically, it gives C pseudo first-class functional...
How to get all properties values of a JavaScript Object (without knowing the keys)?
...hods in any browser that supports ECMAScript 5 and above. These get values from an object and avoid enumerating over the prototype chain. Where obj is your object:
var keys = Object.keys(obj);
for (var i = 0; i < keys.length; i++) {
var val = obj[keys[i]];
// use val
}
If you want som...
Server.Transfer Vs. Response.Redirect
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+1 for comment but this seems copied verbatim from developer.com/net/asp/article.php/3299641. If it is from another source you should at lease cite it.
– Johnno Nolan
Feb 25 '09 at 9:58
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Go build: “Cannot find package” (even though GOPATH is set)
...$GOPATH/src/domain.com/path/to/package. I guess you try to fetch a package from gopkg.in? If so thats absolutly intended behavior and you should just import them with their full name; e.g. import "gopkg.in/yaml.v1" as also described in the docs.
– fasmat
Sep 17...
Lists: Count vs Count() [duplicate]
...duced by LINQ while the Count property is part of the List itself (derived from ICollection). Internally though, LINQ checks if your IEnumerable implements ICollection and if it does it uses the Count property. So at the end of the day, there's no difference which one you use for a List.
To prove m...
ViewPager PagerAdapter not updating the View
I'm using the ViewPager from the compatibility library. I have succussfully got it displaying several views which I can page through.
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Can git undo a checkout of unstaged files
...t enter by accident after getting to folder and lost all my work. / is 1cm from enter on my keyboard and I switch between machines with different keyboard layouts often so there's often 10-15 minutes of my fingers getting used to new positions. Hard to believe in 2018 that git trashs files even thou...