大约有 45,000 项符合查询结果（耗时：0.0543秒） [XML]
Create an index on a huge MySQL production table without table locking
...ating MySQL's Schema without downtime
Thusfar, there's only one method I know of to update a MySql schema and not suffer an availability outage. Circular masters:
Master A has your MySQL database running on it
Bring Master B into service and have it replicate writes from Master A ( B is a slave ...
How to write log base(2) in c/c++
...
If you're looking for an integral result, you can just determine the highest bit set in the value and return its position.
share
|
...
How to access object attribute given string corresponding to name of that attribute
... and hasattr for testing whether or not an object has a specific attr though in that case using the three argument form getattr(object, attrname, default) is often better.
– Duncan
Apr 10 '10 at 11:20
...
Python Infinity - Any caveats?
...t returns either 0.0 or inf. So it does work correctly when the input is inifinty, but not when the result should be infinity.
– Abel
May 9 '15 at 14:50
2
...
Spring: @Component versus @Bean
...
Now that I understand the concept (from reading other people's answers), your explanation makes sense. Which tells me all the more that your explanation is no good to anyone who doesn't already understand the concepts.
...
Can I change the checkbox size using CSS?
...I find that the 'scaled' checkbox appears a little distorted. I don't know if this is a thing with FF or my OS (Ubuntu 12.04). Thanks anyway :)
– itsols
Mar 5 '13 at 11:13
1
...
Insert a line break in mailto body
...codeURIComponent().
For example, this message:
hello\rthis answer is now well formated\rand it contains good knowleadge\rthat is why I am up voting
URI Encoded, results in:
hello%0Dthis%20answer%20is%20now%20well%20formated%0Dand%20it%20contains%20good%20knowleadge%0Dthat%20is%20why%20I%20a...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
...
What you're asking for is extremely hard. If possible, getting the user to specify the encoding is the best. Preventing an attack shouldn't be much easier or harder that way.
However, you could try doing this:
iconv(mb_detect_encoding($text, mb_detect_order(), true...
jQuery UI: Datepicker set year range dropdown to 100 years
....jqueryui.com/datepicker/#option-yearRange
yearRange: '1950:2013', // specifying a hard coded year range
or this way
yearRange: "-100:+0", // last hundred years
From the Docs
Default: "c-10:c+10"
The range of years displayed in the year drop-down: either relative to today's year ("-n...
Finding the index of elements based on a condition using python list comprehension
...xes for this at all, but just deal with the values—[value for value in a if value > 2]. Usually dealing with indexes means you're not doing something the best way.
If you do need an API similar to Matlab's, you would use numpy, a package for multidimensional arrays and numerical math in Python ...