大约有 42,000 项符合查询结果（耗时：0.0327秒） [XML]
Is it safe to check floating point values for equality to 0?
...e sample, that test is okay. But what about this:
bool b = ( 10.0 * .1 - 1.0 == 0.0 );
Remember that .1 is a repeating decimal in binary and can't be represented exactly. Then compare that to this code:
double d1 = 10.0 * .1; // make sure the compiler hasn't optimized the .1 issue away
bool b ...
App Inventor 2 连接调试器的几种方式的比较 - App Inventor 2 中文网 - 清...
...拟器多少都有一些广告app，还不能删除。
桌面版AI伴侣
也是搭建一个安卓模拟器，安装AI伴侣。对电脑显卡要求高，一般电脑用不了。
即便电脑显卡支持，但是本身及AI伴侣版本都很旧，维护者几乎不更新了，这种...
What is the reason for having '//' in Python? [duplicate]
...e to deal with it as well. Its common to see (0.0+variable1)/variable2 or 1.0*variable1/variable2
– Chris
Oct 28 '15 at 13:42
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How to create a UIView bounce animation?
... (value: Bool) in
})
usingSpringWithDamping 0.0 == very bouncy. 1.0 makes it smoothly decelerate without overshooting.
initialSpringVelocity is, roughly, "desired distance, divided by desired seconds". 1.0 corresponds to the total animation distance traversed in one second. Example, tot...
How do you compare two version Strings in Java?
...bers. some apps will include build numbers, and might include things like 1.0.1b for beta/etc.
– John Gardner
Oct 13 '08 at 18:46
2
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Python and pip, list all versions of a package that's available?
....2.2
Django 1.2.1
Django 1.2
Django 1.1.4
Django 1.1.3
Django 1.1.2
Django 1.0.4
yolk3k is a fork of the original yolk which ceased development in 2012. Though yolk is no longer maintained (as indicated in comments below), yolk3k appears to be and supports Python 3.
Note: I am not involved in the...
jQuery If DIV Doesn't Have Class “x”
...div
Here is the code for it
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<script src="http://ajax.googleapis.com/ajax/libs...
How can I create an error 404 in PHP?
...
Try this:
<?php
header("HTTP/1.0 404 Not Found");
?>
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Converting numpy dtypes to native python types
...onsistently: >>> print([numpy.asscalar(x) for x in numpy.linspace(1.0, 0.0, 21)]) [1.0, 0.95, 0.9, 0.85, 0.8, 0.75, 0.7, 0.6499999999999999, 0.6, 0.55, 0.5, 0.44999999999999996, 0.3999999999999999, 0.35, 0.29999999999999993, 0.25, 0.19999999999999996, 0.1499999999999999, 0.09999999999999998...
position: fixed doesn't work on iPad and iPhone
...viewport" content="width=device-width, height=device-height, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
Also if you're planning on having the same page work on android pre 4.0, you need to set the top position also, or a small margin will be added for some reason...