大约有 47,000 项符合查询结果（耗时：0.0958秒） [XML]
String replacement in Objective-C
...
|
edited Mar 20 '09 at 22:45
answered Mar 20 '09 at 22:39
...
Django - iterate number in for loop of a template
...n use either:
{{ forloop.counter }} index starts at 1.
{{ forloop.counter0 }} index starts at 0.
In template, you can do:
{% for item in item_list %}
{{ forloop.counter }} # starting index 1
{{ forloop.counter0 }} # starting index 0
# do your stuff
{% endfor %}
More info at: for ...
Calculating how many minutes there are between two times
... you trying 'span.Minutes', this will return only the minutes of timespan [0~59], to return sum of all minutes from this interval, just use 'span.TotalMinutes'.
share
|
improve this answer
...
Check for internet connection availability in Swift
...
10 Answers
10
Active
...
Get Image size WITHOUT loading image into memory
...e operations in the source like:
...
prefix = fp.read(16)
...
fp.seek(0)
...
but these hardly constitute reading the whole file. In fact .open simply returns a file object and the filename on success. In addition the docs say:
open(file, mode=”r”)
Opens and identifies the given ...
Javascript How to define multiple variables on a single line?
... |
edited Nov 12 '10 at 16:39
answered Nov 12 '10 at 16:27
...
How do I convert a string to a double in Python?
...
>>> x = "2342.34"
>>> float(x)
2342.3400000000001
There you go. Use float (which behaves like and has the same precision as a C,C++, or Java double).
share
|
...
Does const mean thread-safe in C++11?
...ue...
This is what the Standard Language has to say on thread-safety:
[1.10/4]
Two expression evaluations conflict if one of them modifies a memory location (1.7) and the other one accesses or modifies the same memory location.
[1.10/21]
The execution of a program contains a data race if it contain...
Django - filtering on foreign key properties
...
answered Dec 30 '09 at 18:07
FragsworthFragsworth
26.4k2424 gold badges7373 silver badges9595 bronze badges
...
How to get Enum Value from index in Java?
...
230
Try this
Months.values()[index]
...