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What does @@variable mean in Ruby?
...his means that only one variable value exists for all objects instantiated from this class. If one object instance changes the value of the variable, that new value will essentially change for all other object instances.
Another way of thinking of thinking of class variables is as global variables ...
Why do we need C Unions?
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@spin_eight: It's not "converting" from float to int. More like "reinterpreting the binary representation of a float as if it were an int". The output is not 3: ideone.com/MKjwon I'm not sure why Adam is printing as hex, though.
– endo...
Piping command output to tee but also save exit code of command [duplicate]
...e variable is ephemeral, so even "echo"-ing it out will lose you the value from running the pipeline. Assign it to another variable unless you will access it immediately, and only once.
– Davor Cubranic
Sep 12 at 1:49
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AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
...ying the EU region
At step 3, AWS console has shown me the error message from title of your question.
So I guess, that the bucket in US was deleted, but there are possibly some synchronization processes, which are taking time. And I hope, that waiting few hours I will find the bucket name again a...
In Visual Studio C++, what are the memory allocation representations?
...ADF00D 0x00000031 0xDDDDDDDD 0xFEEEFEEE Request #, increases from 0
0x00320FFC -4 0xBAADF00D 0xFDFDFDFD 0xDDDDDDDD 0xFEEEFEEE No mans land
0x00321000 +0 0xBAADF00D 0xCDCDCDCD 0xDDDDDDDD 0xFEEEFEEE The 8 bytes you wanted
0x00321004 +4 0xBAADF00...
How to sort a HashMap in Java [duplicate]
...hoice of name for the class... should be something like SortedMap instead. From the name, I'd think it's not a Map at all but some kind of Tree... the Tree part of TreeMap is really more of an implementation detail that shouldn't concern the user of the class at all.
– ArtOfWar...
PHP - iterate on string characters
...f your strings are in Unicode you should use preg_split with /u modifier
From comments in php documentation:
function mb_str_split( $string ) {
# Split at all position not after the start: ^
# and not before the end: $
return preg_split('/(?<!^)(?!$)/u', $string );
}
...
How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
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If the patch application fails and if the commits the diff was generated from are actually in your repo, you can use the -3 option of apply that tries to merge in the changes.
It also works with Unix pipe as follows:
git diff d892531 815a3b5 | git apply
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How can I test https connections with Django as easily as I can non-https connections using 'runserv
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Now when you want to run your development server just execute ./runserver from your project directory. To try it out, just point your browser to http://localhost:8000 for normal HTTP traffic, and https://localhost:8443 for HTTPS traffic. Note that you're browser will almost definitely complain ab...
How to calculate “time ago” in Java?
...e milliseconds time is just minutes time * 60 * 1000. You need to decrease from each time unit that next bigger time unit(after converting it to the lower time unit) in order to be able to use it in a "time ago" string.
– Nativ
May 22 '16 at 17:59
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