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Checking if a double (or float) is NaN in C++
...1 is available, then cmath includes C99 elements like isnan(), isfinite(), etc. but they are defined as functions, not macros, usually in std::tr1:: namespace, though many implementations (i.e. GCC 4+ on Linux or in XCode on Mac OS X 10.5+) inject them directly to std::, so std::isnan is well define...
Why do assignment statements return a value?
...s already mentioned (assignment chaining, set-and-test within while loops, etc), to properly use the using statement you need this feature:
using (Font font3 = new Font("Arial", 10.0f))
{
// Use font3.
}
MSDN discourages declaring the disposable object outside of the using statement, as it wi...
Using a custom typeface in Android
...eface is a integral part of UI Styling like you do with backgrounds images etc. And size is not necessarily big always. For instance, the font in my case is just 19.6KB :)
– Codevalley
Jun 6 '10 at 5:01
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CMake: Print out all accessible variables in a script
...Note that this method does NOT print system variables (WIN32, UNIX, APPLE, etc.).
– holocronweaver
Jan 24 '15 at 4:00
4
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JavaScript string encryption and decryption?
...ium. First I'll explain why, then how.
Why Not SJCL, CryptoJS, WebCrypto, etc.?
Short answer: In order for your encryption to actually be secure, these libraries expect you to make too many choices e.g. the block cipher mode (CBC, CTR, GCM; if you can't tell which of the three I just listed is sec...
How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
... Whatever the reason for the type load exception, FileNotFound, BadImage, etc, will still throw on every access to the types that are in issue.
– sweetfa
Oct 16 '12 at 1:27
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Mockito: Inject real objects into private @Autowired fields
... change easily (3rd party interfaces, interim
refactoring of legacy code etc.) However, I wouldn't use partial mocks
for new, test-driven & well-designed code.
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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...ementsByClassName("class1 class2")
Using getElement* on a static element fetched with querySelector* will result in an element that is live with respect to the static subset of the DOM copied by querySelector, but not live with respect to the full document DOM... this is where the simple live/stati...
.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
...eally the best implementation of an array (as opposed to multidimensional, etc.) - because SZs have specific intermediary language instructions for manipulating them.
Arrays are always passed by reference (as a memory address) - an important piece of the Array puzzle to know. While they do bounds ch...
Java: Difference between the setPreferredSize() and setSize() methods in components
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@Sbodd - JPanels have a FlowLayout by default. JFrame.getContentPane() has a BorderLayout by default.
– Nemi
Nov 25 '09 at 0:30
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