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Return type of '?:' (ternary conditional operator)
...e as the result of this conversion would not be an lvalue.
ISO/IEC 14882:2011 references:
3.10 [basic.lval] Lvalues and rvalues (about value categories)
5.15 [expr.cond] Conditional operator (rules for what type and value category a conditional expression has)
5.17 [expr.ass] Assignment and compoun...
How to set caret(cursor) position in contenteditable element (div)?
...
10 Answers
10
Active
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How to use Swift @autoclosure
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270
Consider a function that takes one argument, a simple closure that takes no argument:
func f(pr...
How to print third column to last column?
...
110
...or a simpler solution: cut -f 3- INPUTFILE just add the correct delimiter (-d) and you got t...
How to test if list element exists?
... |
edited Oct 11 '11 at 3:01
answered Oct 10 '11 at 23:36
T...
apc vs eaccelerator vs xcache
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110
APC is going to be included in PHP 6, and I'd guess it has been chosen for good reason :)
It's ...
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...turn))
extern void myexit();
int test(int n)
{
if ( n > 0 )
{
myexit();
/* 程序不可能到达这里*/
}
else
return 0;
}
编译显示的输出信息为：
$gcc –Wall –c...
When should I use UNSIGNED and SIGNED INT in MySQL?
...//dev.mysql.com/doc/refman/5.6/en/integer-types.html
UNSIGNED ranges from 0 to n, while signed ranges from about -n/2 to n/2.
In this case, you have an AUTO_INCREMENT ID column, so you would not have negatives. Thus, use UNSIGNED. If you do not use UNSIGNED for the AUTO_INCREMENT column, your maxi...
How to check if a string contains text from an array of substrings in JavaScript?
...but some is:
if (substrings.some(function(v) { return str.indexOf(v) >= 0; })) {
// There's at least one
}
Live Example:
var substrings = ["one", "two", "three"];
var str;
// Setup
console.log("Substrings: " + substrings.join(","));
// Try it where we expect a match
str = "this has one...
Can I run javascript before the whole page is loaded?
...ng is complete.)
This wasn't available when I first wrote this answer in 2010, but here in 2020, all major modern browsers support modules natively, and if you need to support older browsers, you can use bundlers like Webpack and Rollup.js.
Use the defer attribute on a classic script tag:
<scr...