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File to byte[] in Java
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@matteo: any? See other answers, e.g. Files.readAllBytes(). Simple, no dependency.
– ymajoros
Apr 24 '14 at 21:13
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What is the dual table in Oracle?
...of dummy table with a single record used for selecting when you're not actually interested in the data, but instead want the results of some system function in a select statement:
e.g. select sysdate from dual;
See http://www.adp-gmbh.ch/ora/misc/dual.html
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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
...) and according to range:
1-127 are user defined codes (so generated by calling exit(n))
128-255 are codes generated by termination due to different unix signals like SIGSEGV or SIGTERM
But I don't think you should care while coding on Java, it's just a bit of information. It's useful if you pla...
Can you make valid Makefiles without tab characters?
... 2. The tab character is a very important part of the syntax of Makefiles. All command lines (the lines beginning with cc in our example) must start with tabs. After he made his change, line 2 didn’t, hence the error.
“So what?” you ask, “What’s wrong with that?”
There is nothi...
ruby 1.9: invalid byte sequence in UTF-8
...n't have any encoding specific options and the stuff that comes in is basically not properly tagged.
What would be the best way to actually work with that incoming data? I tried .encode with the replace and invalid options set, but no success so far...
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SQL update query using joins
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I usually start with semicolon to terminate previous statement (if any). CTE rocks ! Simple to design complicated query / joined updates. I use it all the time...
– Adam W
Dec 17 '15 at 5:19
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docker error: /var/run/docker.sock: no such file or directory
...ker file that runs builds an image and run the container.
I am on mac, installed boot2docker and have the DOCKER_HOST env set up.
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How to convert wstring into string?
...e <locale>
#include <vector>
int main() {
std::setlocale(LC_ALL, "");
const std::wstring ws = L"ħëłlö";
const std::locale locale("");
typedef std::codecvt<wchar_t, char, std::mbstate_t> converter_type;
const converter_type& converter = std::use_facet<converter...
Mac OS X Terminal: Map option+delete to “backward delete word”
... trial and error). now i wonder why there is so little documentation about all this.
– victor n.
Oct 7 '15 at 16:14
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Developing for Android in Eclipse: R.java not regenerating
... site suggests:
if you run a clean on the project it should regenerate all the generated Java files, namely R.
...and...
In Eclipse, under the Project menu, is an option build automatically.
That would help you build the R.java file everytime modifications are
made. The Clean... optio...