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Using @property versus getters and setters
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Why doesn't the height of a container element increase if it contains floated elements?
...e normal floated elements. (Please don't relate this to z-index as that is completely different.)
Taking a case as an example to explain how CSS floats work, assuming we need a simple 2 column layout with a header, footer, and 2 columns, so here is what the blueprint looks like...
In the abov...
Best way to organize jQuery/JavaScript code (2013) [closed]
... help you. Some might be obvious, some might be extremely arcane.
Step 1: Compartmentalize your code
Separating your code into multiple, modular units is a very good first step. Round up what works "together" and put them in their own little encased unit. don't worry about the format for now, keep...
What does auto&& tell us?
...ay_be_rvalue_or_lvalue;
auto i = std::begin(vec);
(*i)++;
This code will compile just fine regardless of the initializer expression. The alternatives to auto&& fail in the following ways:
auto => will copy the vector, but we wanted a reference
auto& => will only b...
Why Does OAuth v2 Have Both Access and Refresh Tokens?
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The idea of refresh tokens is that if an access token is compromised, because it is short-lived, the attacker has a limited window in which to abuse it.
Refresh tokens, if compromised, are useless because the attacker requires the client id and secret in addition to the refresh to...
How to handle Handler messages when activity/fragment is paused
...any code that you have which asynchronously changes a fragment state (e.g. commit, dismiss) is only called from a message in the handler.
Derive your handler from the PauseHandler class.
Whenever your activity receives an onPause() call PauseHandler.pause() and for onResume() call PauseHandler.res...
In what cases could `git pull` be harmful?
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Summary
By default, git pull creates merge commits which add noise and complexity to the code history. In addition, pull makes it easy to not think about how your changes might be affected by incoming changes.
The git pull command is safe so long as it only performs...
How to detect when an Android app goes to the background and come back to the foreground
...Android: Solution to detect when an Android app goes to the background and come back to the foreground without getRunningTasks or getRunningAppProcesses.
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Why would one use the Publish/Subscribe pattern (in JS/jQuery)?
...t few years.
Loose coupling is an Object-oriented principle in which each component of the system knows its responsibility and doesn’t care about the other components (or at least tries to not care about them as much as possible). Loose coupling is a good thing because you can easily reuse the di...
How expensive is RTTI?
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Regardless of compiler, you can always save on runtime if you can afford to do
if (typeid(a) == typeid(b)) {
B* ba = static_cast<B*>(&a);
etc;
}
instead of
B* ba = dynamic_cast<B*>(&a);
if (ba) {
etc;
}
The...