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parseInt vs unary plus, when to use which?
...ALUES.map(function (v) {
var x = eval('(' + v + ')');
return [v].concat(EXPRS.map(function (e) {
return val(eval(e))
}));
});
document.body.innerHTML = table(["x"].concat(EXPRS), rows);
table { border-collapse: collapse }
tr:nth-child(odd) { background: #fafafa }
td { ...
Fastest way to iterate over all the chars in a String
In Java, what would the fastest way to iterate over all the chars in a String, this:
8 Answers
...
Convert char to int in C and C++
How do I convert a char to an int in C and C++?
12 Answers
12
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Initialization of an ArrayList in one line
...matically do for you.
For example in IntelliJ IDEA you press Alt+Enter and select Static import method....
However, i don't recommend shortening the List.of method to of, because that becomes confusing.
List.of is already short enough and reads well.
Using Streams
Why does it have to be a List?
Wi...
Copying data from one SQLite database to another
...rt Into commands for the tables you want to transfer.
INSERT INTO X.TABLE SELECT * FROM Y.TABLE;
Or, if the columns are not matched up in order:
INSERT INTO X.TABLE(fieldname1, fieldname2) SELECT fieldname1, fieldname2 FROM Y.TABLE;
...
Removing a list of characters in string
I want to remove characters in a string in python:
18 Answers
18
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Difference between char* and const char*?
...
char* is a mutable pointer to a mutable character/string.
const char* is a mutable pointer to an immutable character/string. You cannot change the contents of the location(s) this pointer points to. Also, compilers are requi...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
... Microsoft visual studio, version 2005 and higher.
/*int _snprintf_s(
char *buffer,
size_t sizeOfBuffer,
size_t count,
const char *format [,
argument] ...
);*/
inline int TIXML_SNPRINTF( char* buffer, size_t size, const char* format, ... )
{
va_list va;
va_start( va...
What is the difference between char s[] and char *s?
...
The difference here is that
char *s = "Hello world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = "Hello world";
puts the...
MYSQL Truncated incorrect DOUBLE value
...
Same issue for me. A 'select * from t where id = 6503' worked okay but 'update t set a = "foo" where id = 6503' resulted in ERROR 1292 (22007): Truncated incorrect DOUBLE value: '234805557438#'. id looks like integer but was a varchar. Quoting th...