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memcpy() vs memmove()
I am trying to understand the difference between memcpy() and memmove() , and I have read the text that memcpy() doesn't take care of the overlapping source and destination whereas memmove() does.
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SQL keys, MUL vs PRI vs UNI
What is the difference between MUL , PRI and UNI in MySQL?
4 Answers
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Use HTML5 to resize an image before upload
I have found a few different posts and even questions on stackoverflow answering this question. I am basically implementing this same thing as this post .
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How to make an empty div take space
...nother answer says putting in a min-height will make it work when floated, and certainly in my own case that worked. If that is always true (now, in 2016) then this answer is wrong. You can just add min-height: 1px; to the width: 140px; without the need to either to remove the float or add content.
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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...
Filter output in logcat by tagname
... if some app is spamming Debug then set the logcat level to only show Info and higher levels: logcat *:I
– Someone Somewhere
Jan 13 '12 at 22:15
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Can I pass an array as arguments to a method with variable arguments in Java?
...rds compatibility.
So you should just be able to prepend extraVar to args and call String.format(format, args).
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java: (String[])List.toArray() gives ClassCastException
The following code (run in android) always gives me a ClassCastException in the 3rd line:
4 Answers
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Why is the Android test runner reporting “Empty test suite”?
...am banging my head against the wall here trying to figure out why IntelliJ/Android is reporting "Empty test suite". I have a small project with two IntelliJ Modules ("Projects" in Eclipse). The Unit test module has its own AndroidManifest.xml, which I have pasted at the bottom. I am trying to run a...
Why use the 'ref' keyword when passing an object?
...omething else, callers of the method will need to be coded to ensure they handle this possibility.
Also, when the parameter type is an object, then object variables always act as references to the object. This means that when the ref keyword is used you've got a reference to a reference. This allows...