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“static const” vs “#define” vs “enum”
...u (and everyone else so far) omitted the third alternative:
static const int var = 5;
#define var 5
enum { var = 5 };
Ignoring issues about the choice of name, then:
If you need to pass a pointer around, you must use (1).
Since (2) is apparently an option, you don't need to pass pointers aroun...
How to get a tab character?
...answers, they added extra vertical line breaks as well.
Each tab can be converted to a sequence non-breaking spaces which require no wrapping.
"    "
This is not recommended for repeated/extensive use within a page. A div margin/padding approach would ap...
Ignoring new fields on JSON objects using Jackson [duplicate]
I'm using Jackson JSON library to convert some JSON objects to POJO classes on an android application. The problem is, the JSON objects might change and have new fields added while the application is published, but currently it will break even when a simple String field is added, which can safely be...
Multi-line tooltips in Java?
...ttps://github.com/ls-cwi/yoshiko-app/blob/master/src/main/java/com/yoshiko/internal/view/JMultiLineToolTip.java
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C++ preprocessor __VA_ARGS__ number of arguments
... The answer links to another site. Also the link doesn't seem to point to the correct answer. And even if I managed to find the intended answer it does seem a poor one as it embeds an hardcoded "-1" that will be compiled. There are better methods.
– ceztko
...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...部的秘密--微软的编译器是如何解析Try/Catch/Throw的Compiler-Internals-How-Try-Catch-Throw-are-Interprpreted-by-the-Microsoft-Compiler本文不是一篇介绍如何在x86架构上详细地实现异常处理(exception handling)的手册，只是一篇入门的讨论性文章。本文只...
Best way to represent a fraction in Java?
...raction class not too long ago, for Project Euler problems. It keeps a BigInteger numerator and denominator, so it'll never overflow. But it'll be a tad slow for a lot of operations that you know will never overflow.. anyway, use it if you want it. I've been dying to show this off somehow. :)
Ed...
Difference between `data` and `newtype` in Haskell
...
While data declares a brand new data structure at runtime.
So the key point here is that the construct for the newtype is guaranteed to be erased at compile time.
Examples:
data Book = Book Int Int
newtype Book = Book (Int, Int)
Note how it has exactly the same representation as a (I...
How to save/restore serializable object to/from file?
...riter writer = null;
try
{
var contentsToWriteToFile = JsonConvert.SerializeObject(objectToWrite);
writer = new StreamWriter(filePath, append);
writer.Write(contentsToWriteToFile);
}
finally
{
if (writer != null)
writer.Close();
}
}...
handle textview link click in my android app
...y own app, there is a solution that is a bit simpler.
Besides the default intent filter, I simply let my target activity listen to ACTION_VIEW intents, and specifically, those with the scheme com.package.name
<intent-filter>
<category android:name="android.intent.category.DEFAULT" /&g...