大约有 7,000 项符合查询结果（耗时：0.0284秒） [XML]
Loop through list with both content and index [duplicate]
...
but also
for i, val in enumerate(data, 1):
print i, val
In other words, you can specify as starting value for the index/count generated by enumerate() which comes in handy if you don't want your index to start with the default value of zero.
I was printing out lines in a file the other da...
Augmented Reality SDK with OpenCV [closed]
...
Yes, if you have a 3d marker you need to know the real word 3d shape (from cad, or measuring it) but it does give a better soln
– Martin Beckett
Sep 5 '12 at 22:01
...
Calling filter returns [duplicate]
...ap, zip, etc return an object which is iterable, but not a list. In other words,
filter(func,data) #python 2.x
is equivalent to:
list(filter(func,data)) #python 3.x
I think it was changed because you (often) want to do the filtering in a lazy sense -- You don't need to consume all of the memo...
What is java pojo class, java bean, normal class? [duplicate]
...logic into regular java objects rather than using Entity Beans"). In other words, POJO was a name to given to describe "plain old java objects" in order to contrast Java beans. POJOs are domain/business objects specific, so not necessarily all Java classes are POJOs
– THIS USE...
Rename a table in MySQL
...
group is a keyword (part of GROUP BY) in MySQL, you need to surround it with backticks to show MySQL that you want it interpreted as a table name:
RENAME TABLE `group` TO `member`;
added(see comments)- Those are not single quotes.
...
How to get current PHP page name [duplicate]
...
Also...You can replace the .php extension and hyphens ucwords( str_ireplace(array('-', '.php'), array(' ', ''), basename($_SERVER['PHP_SELF']) ) ) and Capitalize Words with ucwords or first letter using ucfirst. Maybe somebody will need this...
– Andrew Surdu...
Check cell for a specific letter or set of letters
...r, black but #VALUE! for blazer, blue.
To find Bla only when a complete word on its own (ie between spaces - not at the start or end of a 'sentence'):
=SEARCH(" Bla ",A1)
Since the return in all cases above is either a number ("found", so YES preferred) or #VALUE! we can use ISERROR to test...
What is the inverse function of zip in python? [duplicate]
...
In other words lambda x: zip(*x) is self-inverse.
– jwg
May 24 '17 at 16:38
3
...
How to delete a column from a table in MySQL
...ROP COLUMN IsDeleted;
Here's a working example.
Note that the COLUMN keyword is optional, as MySQL will accept just DROP IsDeleted. Also, to drop multiple columns, you have to separate them by commas and include the DROP for each one.
ALTER TABLE tbl_Country
DROP COLUMN IsDeleted,
DROP COLUM...
Binding ng-model inside ng-repeat loop in AngularJS
... Do the items being iterated have to be objects then? In other words they can't be primitives, like strings, e.g. $scope.lines = ['a', 'b', 'c'] ?
– berto
Oct 16 '14 at 18:40
...