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Java naming convention for static final variables [duplicate]
... of preference.
The names of constants in interface types should be, and final
variables of class types may conventionally be, a sequence of one or
more words, acronyms, or abbreviations, all uppercase, with components
separated by underscore "_" characters. Constant names should be
de...
#pragma pack effect
...e could explain to me what the #pragma pack preprocessor statement does, and more importantly, why one would want to use it.
...
How to know user has clicked “X” or the “Close” button?
... get it through the sender object. Try to cast sender as a Button control, and verify perhaps for its name "CloseButton", for instance.
private void Form1_FormClosing(object sender, FormClosingEventArgs e) {
if (string.Equals((sender as Button).Name, @"CloseButton"))
// Do something pro...
Difference between GIT and CVS
What is the difference between Git and CVS version control systems?
5 Answers
5
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When is a language considered a scripting language? [closed]
...
Bytecode and type systems don't really have anything to do with it. By the above definition, if an app exposes an API to Python, it is said to use Python as its scripting language. If you build an app entirely in Python, that app us...
User recognition without cookies or local storage
I'm building an analytic tool and I can currently get the user's IP address, browser and operating system from their user agent.
...
Concurrent vs serial queues in GCD
I'm struggling to fully understand the concurrent and serial queues in GCD. I have some issues and hoping someone can answer me clearly and at the point.
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What exactly is an HTTP Entity?
...majority of an HTTP request or response, consisting of some of the headers and the body, if present. It seems to be the entire request or response without the request or status line (although only certain header fields are considered part of the entity).
To illustrate; here's a request:
POST /foo...
php is null or empty?
...===.
When use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal.
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How to check for an undefined or null variable in JavaScript?
...xistingObj.someUndefProperty. An undefined property doesn't yield an error and simply returns undefined, which, when converted to a boolean, evaluates to false. So, if you don't care about
0 and false, using if(obj.undefProp) is ok. There's a common idiom based on this fact:
value = obj.prop || de...