大约有 45,000 项符合查询结果（耗时：0.0900秒） [XML]
Which rows are returned when using LIMIT with OFFSET in MySQL?
...
It will return 18 results starting on record #9 and finishing on record #26.
Start by reading the query from offset. First you offset by 8, which means you skip the first 8 results of the query. Then you limit by 18. Which means you consider records 9, 10, 11, 12, 13, 14,...
What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl
...
.classA.classB refers to an element that has both classes A and B (class="classA classB"); whereas .classA .classB refers to an element with class="classB" descended from an element with class="classA".
Edit: Spec for reference: Attribute Selectors (See section 5.8.3 Class Selectors)...
What is choice_set in this Django app tutorial?
... automatically, or if you have more than one foreign key to the same model and need to distinguish them, you can choose your own overriding name using the related_name argument to ForeignKey.
share
|
...
ReferenceError: event is not defined error in Firefox
I've made a page for a client and I initially was working in Chrome and forgot to check if it was working in Firefox. Now, I have a big problem because the whole page is based upon a script that doesn't work in Firefox.
...
Undock Chrome Developer Tools
...the red circle around it, is undock)
For older version of Chrome, press and hold the corner button
You can also undock/dock-to-left/dock-to-right/dock-to-bottom from the Command Menu. Press Cmd+Shift+P (Mac) or Cmd+Shift+P (Windows, Linux, Chrome OS) to open the Command Menu, then start typing...
How to append the output to a file?
How can I do something like command > file in a way that it appends to the file, instead of overwriting?
3 Answers
...
Question mark (?) in XML attributes for Android
Can anyone explain the question mark means in Android XML attributes?
2 Answers
2
...
How do I make many-to-many field optional in Django?
When you have a many-to-many relationship ( related_name , not through ) and you are trying to use the admin interface you are required to enter one of the relationships even though it does not have to exist for you to create the first entry.
...
split string in to 2 based on last occurrence of a separator
...ther: str.rpartition(sep) Split the string at the last occurrence of sep, and return a 3-tuple containing the part before the separator, the separator itself, and the part after the separator. If the separator is not found, return a 3-tuple containing two empty strings, followed by the string itsel...
“Automatic” vs “Automatic (Delayed start)”
...tically starting a Windows service on Windows startup. One is Automatic , and the other is Automatic (Delayed start) . What is the difference between these two in detail?
...