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Calculate size of Object in Java [duplicate]
... an object takes up for a project (I'm comparing sizes of data structures) and it seems like there is no method to do this in Java. Supposedly, C/C++ has sizeOf() method, but this is nonexistant in Java. I tried recording the free memory in the JVM with Runtime.getRuntime().freeMemory() before a...
Java: Get first item from a collection
... That does the same thing, it just checks if it is a list first, and gets by index if it is. It also has some code to try to fail faster on an actual Collection (that is if the index is too large it tries to figure that out without iterating through the whole thing and throwing the excepti...
get CSS rule's percentage value in jQuery
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I know what's not working in it and that's why it's a counter-example.
– shevski
Jan 28 '12 at 21:40
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How to debug Apache mod_rewrite
...ite.log"
RewriteLogLevel 3
Since Apache httpd 2.4 mod_rewrite RewriteLog and RewriteLogLevel directives has been completely replaced by the new per-module logging configuration.
LogLevel alert rewrite:trace6
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How to get current user, and how to use User class in MVC5?
...dentity.GetUserId();
Worth mentioning that User.Identity.IsAuthenticated and User.Identity.Name will work without adding the above mentioned using statement. But GetUserId() won't be present without it.
If you're in a class other than a Controller, use
HttpContext.Current.User.Identity.GetUserI...
How to upgrade Git to latest version on macOS?
I just bought a new Mac with OS X Lion and I checked in the Terminal what version of git is installed by default. I got the answer
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Find a file in python
... to implement a search for the file? A way that I can pass the file's name and the directory tree to search in?
9 Answers
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What's the difference between xsd:include and xsd:import?
What's the difference between xsd:include and xsd:import ? When would you use one instead of the other, and when might it not matter?
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How to empty a Heroku database
...or (because the database was already created using the heroku pg:reset command). But it also loads your database schema and your seeds after the error message.
You can do this with pretty much any rake command, but there are exceptions. For example, db:reset doesn't work via heroku run rake. You ha...
How can I check if a var is a string in JavaScript?
...Also, you may as well use == (equality comparison operator) since both operands are Strings (typeof always returns a String), JavaScript is defined to perform the same steps had I used === (strict comparison operator).
As Box9 mentions, this won't detect a instantiated String object.
You can dete...