大约有 8,400 项符合查询结果（耗时：0.0243秒） [XML]
How to create a new database using SQLAlchemy?
...created a field using MyColumn some DBs will take it as mycolumn. In other words, not sure how you created your table, but if it was created using quotes, it will case-sensitive, so when you access it in an SQL statement you'll need the quotes as well.
– guyarad
...
Design Patterns: Factory vs Factory method vs Abstract Factory
...ter type as you suggest. You can smell a design issue if you use the same word twice in the same statement: LaptopFactory.getLaptopPart().
– xtofl
Oct 23 '12 at 12:09
...
Volatile Vs Atomic [duplicate]
...
The effect of the volatile keyword is approximately that each individual read or write operation on that variable is atomic.
Notably, however, an operation that requires more than one read/write -- such as i++, which is equivalent to i = i + 1, which doe...
How do I resize a Google Map with JavaScript after it has loaded?
...
See the documentation for the resize event (you'll need to search for the word 'resize'): http://code.google.com/apis/maps/documentation/v3/reference.html#event
Update
This answer has been here a long time, so a little demo might be worthwhile & although it uses jQuery, there's no real need to...
Scala: What is the difference between Traversable and Iterable traits in Scala collections?
...
Daniel's answer sounds good. Let me see if I can to put it in my own words.
So an Iterable can give you an iterator, that lets you traverse the elements one at a time (using next()), and stop and go as you please. To do that the iterator needs to keep an internal "pointer" to the element's po...
Mediator Vs Observer Object-Oriented Design Patterns
...
I was looking for this word "Single Responsibility principle".
– stdout
Nov 28 '16 at 12:45
add a comment
...
In-Place Radix Sort
...haracters like you said.
If there is a way to reduce the number of valid 'words', further compression may be possible.
So for sequences of length 3, one could create 64 buckets, maybe sized uint32, or uint64.
Initialize them to zero.
Iterate through your very very large list of 3 char sequences, a...
How can you find the height of text on an HTML canvas?
... returned by Win32's GetTextMetric API. This is needed if you want to do a word-wrapped run of text with spans in different fonts/sizes.
The above image was generated on a canvas in Safari, red being the top line where the canvas was told to draw the text, green being the baseline and blue being ...
Naming convention for utility classes in Java
...
I'm pretty sure the words "helpers" and "utilities" are used interchangeably. Anyway judging by the examples you provided, I'd say if your classname is an abbreviation (or has abbreviations in it like "DomUtil") then call your package "whatever....
What is the difference between a pseudo-class and a pseudo-element in CSS?
...teristics other than their name". However, I still haven't found the exact wording I'm happy with.
– Zeta
Aug 1 '12 at 19:35
add a comment
|
...