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Can I catch multiple Java exceptions in the same catch clause?
...ception is the the base class and PathNotFoundException is a derived class then:
try {
...
} catch (RepositoryException re) {
someCode();
} catch (Exception e) {
someCode();
}
The above code will catch RepositoryException and PathNotFoundException for one kind of exception handling and a...
Best data type to store money values in MySQL
...n't perform currency * currency multiplication, in case if we are doing it then divide the result with 100 and store, so that it returns to proper precision.
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Left-pad printf with spaces
...har *ptr = "Hello";
printf("%40s\n", ptr);
That will give you 35 spaces, then the word "Hello". This is how you format stuff when you know how wide you want the column, but the data changes (well, it's one way you can do it).
If you know you want exactly 40 spaces then some text, just save the 4...
Adding code to a javascript function programmatically
...
If someFunction is globally available, then you can cache the function, create your own, and have yours call it.
So if this is the original...
someFunction = function() {
alert("done");
}
You'd do this...
someFunction = (function() {
var cached_functi...
Why does std::getline() skip input after a formatted extraction?
...wo different ways. For an integer you could get the line into a string and then use std::stoi(), but then it's not so clear there's an advantage. But I tend to prefer to just use std::getline() for line-oriented input and then deal with parsing the line in whatever way makes sense. I think it's less...
How do I check for C++11 support?
...tial conformance or compiler extensions. If __cplusplus is set to 201103L, then either the compiler fully conforms or it's lying to you. If it's not, then you can't really tell which features it supports.
– Keith Thompson
May 16 '13 at 17:24
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findViewById in Fragment
...
Then the class that "owns" and inflated the imageView needs to provide public access to it. That is very bad practice though. Fragments should only have access to the UI elements present in their layout.
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How to copy Docker images from one host to another without using a repository
...:
docker save -o <path for generated tar file> <image name>
Then copy your image to a new system with regular file transfer tools such as cp, scp or rsync(preferred for big files). After that you will have to load the image into Docker:
docker load -i <path to image tar file>
...
Addressing localhost from a VirtualBox virtual machine [closed]
...s up, go to the Adapter tab and copy the IPv4 Address (e.g. 192.168.56.1). Then once you start the VM, open your browser and go to http://192.168.56.1:3000
– Robert
Jul 21 '16 at 1:36
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How to print Unicode character in Python?
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What if I stored it into a string mystr? then how to print it?
– cqcn1991
Jul 15 '15 at 13:29
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