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Logger slf4j advantages of formatting with {} instead of string concatenation
...n theory be inlined and optimized away and "really" not make a difference (vs. wishful thinking). (It's not premature optimization, it's simply a matter of doing something right/better the first time.)
– michael
Feb 18 '13 at 21:56
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Why does this assert throw a format exception when comparing structures?
...ual with a formatted string. msdn.microsoft.com/en-us/library/ms243436%28v=vs.100%29.aspx , specifically parameters Type: System.Object[] An array of parameters to use when formatting message.
– Kyle
Feb 19 '13 at 19:24
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How to properly URL encode a string in PHP?
...out RFC standards:
https://datatracker.ietf.org/doc/rfc3986/
and urlencode vs rawurlencode?
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When to call activity context OR application context?
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Two great examples of when you should use Activity context vs. the Application context are when displaying either a Toast message or a built-in Dialog message as using the Application context will cause an exception:
ProgressDialog.show(this, ....);
or
Toast t = Toast.makeText(th...
Detect if the app was launched/opened from a push notification
...this method doesn't tell if the app was opened through notification center vs app icon if the background modes - remote notification is checked. It does when it's unchecked. I've documented the difference in this post: stackoverflow.com/questions/32061897/…
– Bao Lei
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Using arrays or std::vectors in C++, what's the performance gap?
...des a size function and iterators to iterate over it.
Now the std::vector vs. native C++ arrays (taken from the internet):
// Comparison of assembly code generated for basic indexing, dereferencing,
// and increment operations on vectors and arrays/pointers.
// Assembly code was generated by gcc...
Why define an anonymous function and pass it jQuery as the argument?
... when the DOM is ready to be manipulated by your JavaScript code.
Modules vs DOMReady In Backbone Code
It's bad form to define your Backbone code inside of jQuery's DOMReady function, and potentially damaging to your application performance. This function does not get called until the DOM has load...
Python: Select subset from list based on index set
...does he mention NumPy -- there is no need to express your opinion on NumPy vs Matlab. Python lists are not the same thing as NumPy arrays, even if they both roughly correspond to vectors. (Python lists are like Matlab cell arrays -- each element can have a different data type. NumPy arrays are more ...
Are Java static calls more or less expensive than non-static calls?
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First: you shouldn't be making the choice of static vs non-static on the basis of performance.
Second: in practice, it won't make any difference. Hotspot may choose to optimize in ways that make static calls faster for one method, non-static calls faster for another.
Third: ...
what is the difference between OLE DB and ODBC data sources?
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This entry jamesmccaffrey.wordpress.com/2006/05/02/odbc-vs-ole-db says that for SQL DS, OLEDB goes thru ODBC.
– Hernán
Mar 27 '13 at 18:18
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