大约有 45,000 项符合查询结果（耗时：0.0402秒） [XML]
Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
...
What is an unsigned char?
...ich gives you at least the 0 to 255 range.
"At least", because the C++ standard only gives the minimum range of values that each numeric type is required to cover. sizeof (char) is required to be 1 (i.e. one byte), but a byte could in theory be for example 32 bits. sizeof would still be report its...
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
So I'm working on an exceedingly large codebase, and recently upgraded to gcc 4.3, which now triggers this warning:
24 Answ...
How to align input forms in HTML
I'm new to HTML and I'm trying to learn how to use forms.
16 Answers
16
...
Turning off auto indent when pasting text into vim
...ersome. That's why I map <F3> such that it can switch between paste and nopaste modes while editing the text! I add this to .vimrc
set pastetoggle=<F3>
share
|
improve this answer
...
Is module __file__ attribute absolute or relative?
I'm having trouble understanding __file__ . From what I understand, __file__ returns the absolute path from which the module was loaded.
...
Javascript when to use prototypes
I'd like to understand when it is appropriate to use prototype methods in js. Should they always be used? Or are there cases where using them is not preferred and/or incurs a performance penalty?
...
Is it correct to use DIV inside FORM?
...de a <form> tag.
If you look at the default CSS 2.1 stylesheet, div and p are both in the display: block category. Then looking at the HTML 4.01 specification for the form element, they include not only <p> tags, but <table> tags, so of course <div> would meet the same crit...
How to avoid scientific notation for large numbers in JavaScript?
...umber.toFixed, but it uses scientific notation if the number is >= 1e21 and has a maximum precision of 20. Other than that, you can roll your own, but it will be messy.
function toFixed(x) {
if (Math.abs(x) < 1.0) {
var e = parseInt(x.toString().split('e-')[1]);
if (e) {
x *...
Import package.* vs import package.SpecificType [duplicate]
... primary reason for this is I just like to keep things straightward, clean and with as little ambiguity as possible, and I think with a .* import you lose that.
share
|
improve this answer
...