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Can I use assert on Android devices?
...e the method is defined as:
public static void _assert(boolean condition, String message) {
if (!condition) {
throw new AssertionError(message);
}
}
The Oracle java docs recommend throwing an AssertionError as an acceptable alternative.
I guess you can configure Proguard to strip...
passing xxx as \'this\' argument of xxx discards qualifiers - C/C++ - 清泛网 - 专注C/C++及内核技术
...>
using namespace std;
class StudentT {
public:
int id;
string name;
public:
StudentT(int _id, string _name) : id(_id), name(_name) {
}
int getId() { // 应该声明为const成员
return id;
}
string getName() { // 应该声明为const成员
...
What is the exact meaning of IFS=$'\n'?
...
Normally bash doesn't interpret escape sequences in string literals. So if you write \n or "\n" or '\n', that's not a linebreak - it's the letter n (in the first case) or a backslash followed by the letter n (in the other two cases).
$'somestring' is a syntax for string liter...
What is the size limit of a post request?
...ting variables saves memory. Each ASCII-Character uses 1 byte of memory. A string (
How do I perform a Perl substitution on a string while keeping the original?
In Perl, what is a good way to perform a replacement on a string using a regular expression and store the value in a different variable, without changing the original?
...
Custom exception type
...ailto:sysadmin@acme-widgets.com\">system administrator</a>.",
toString: function(){return this.name + ": " + this.message;}
};
share
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How to read environment variables in Scala
... you can use sys.env for the same effect:
scala> sys.env("HOME")
res0: String = /home/paradigmatic
I think is nice to use the Scala API instead of Java. There are currently several project to compile Scala to other platforms than JVM (.NET, javascript, native, etc.) Reducing the dependencies o...
Why is exception handling bad?
.... results in convoluted code" Long time ago I've wrote C program with many string operations. Every method was allocationg memory and then checking if allocation was succesfull. It appeared that majority of the code was just checking allocations. Isn't it convoluted? C++ with exceptions was a great...
Force browser to clear cache
...yet is to keep the filename as-is, but append the version number as a querystring parameter, i.e. script.js?v=1.2. (Or if you're not keeping track of versions, just use the file last-modified time, which is even easier to do). Not sure if that's what the previous commenter meant!
...
How to select multiple files with ?
...lement.
when you want to upload multiple file you should use array and not string as the value of the
name attribute.
ex: input type="file" name="myPhotos[]" multiple="multiple"
and if you are using php then you will get the data in $_FILES and
use var_dump($_FILES) and see output and do process...