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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...would change the result (if data[c] is 30000, the product would become -1294967296 for the typical 32-bit ints with wrap around, while 100000 times adding 30000 to sum would, if that doesn't overflow, increase sum by 3000000000). Note that the same holds for unsigned quantities, with different numbe...
Detect the Enter key in a text input field
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519
$(".input1").on('keyup', function (e) {
if (e.key === 'Enter' || e.keyCode === 13) {
...
How to unzip a list of tuples into individual lists? [duplicate]
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424
Use zip(*list):
>>> l = [(1,2), (3,4), (8,9)]
>>> list(zip(*l))
[(1, 3, 8),...
Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
...nter:
(lldb) po 0x17dce920
<UIView: 0x17dce920; frame = (10 30; 300 24.5); autoresize = RM+BM; layer = <CALayer: 0x17dce9b0>>
You can do the same for every constraint the debugger will point to you:-) Now you decide what to do with this.
PRINT IT BETTER (I really recommend this way...
What is SELF JOIN and when would you use it? [duplicate]
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5 Answers
5
Active
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How to create JSON string in JavaScript?
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85
Javascript doesn't handle Strings over multiple lines.
You will need to concatenate those:
var...
How to deal with page breaks when printing a large HTML table
...gt;
<td>x</td>
</tr>
<!-- 500 more rows -->
<tr>
<td>x</td>
</tr>
</tbody>
</table>
</body>
</html>
...
Best way to load module/class from lib folder in Rails 3?
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251
As of Rails 2.3.9, there is a setting in config/application.rb in which you can specify directo...
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...和行动，记录下我的转变。
阶段一：工程思维
我从2014年10月份开始正式做产品，从那个阶段开始的三个月左右，我做产品的思维更多的是以技术和系统角度出发，我定义这个阶段为工程思维阶段。为什么这么说，因为我在设...