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Test if object implements interface
...or is null safe (the code you posted isn't).
instanceof is the built-in, compile-time safe alternative to Class#isInstance(Object)
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Why are margin/padding percentages in CSS always calculated against width?
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Transferring my comment to an answer, because it makes logical sense. However, please note that this is unfounded conjecture. The actual reasoning of why the spec is written this way is still, technically, unknown.
Element height is defi...
How can I convert an image into Base64 string using JavaScript?
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How to make links in a TextView clickable?
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Just as a commment, i have seen some Samsung Galaxy S3 with OS 4.3 that crash when the "setMovementMethod(LinkMovementMethod.getInstance())" is used, so just take that into account, i had to create a validation before adding it
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Download single files from GitHub
...aw" version. The URL is constructed like so
https://raw.githubusercontent.com/user/repository/branch/filename
By filling in the blanks in the URL, you can use Wget or cURL (with the -L option, see below) or whatever to download a single file. Again, you won't get any of the nice version control f...
Foreign Key to multiple tables
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What's the benefit of the persisted computed columns in Group and User tables? The primary key in Party table already ensures that there will be no overlap in Group Ids and User Ids, so the foreign key only needs to be on the PartyId alone. Any queries writte...
Use IntelliJ to generate class diagram
...it.
Note: This feature is available in the Ultimate Edition, not the free Community Edition.
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What's the difference between a continuation and a callback?
...he name cc). The pythagoras function using this implementation of callcc becomes then:
function pythagoras(x, y, cont) {
callcc(function(cc) {
square(x, function (x_squared) {
square(y, function (y_squared) {
add(x_squared, y_squared, cont);
});
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What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
...st. Personally, I'd just go for:
std::string stHehe( "Hello stackoverflow.com!" );
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