大约有 40,000 项符合查询结果（耗时：0.0423秒） [XML]
How can I format a decimal to always show 2 decimal places?
...mal('3.214').quantize(TWOPLACES, context=Context(traps=[Inexact]))
Traceback (most recent call last):
...
Inexact: None
The next question reads
Q. Once I have valid two place inputs, how do I maintain that invariant throughout an application?
If you need the answer to that (along with lots of ...
How can I add new array elements at the beginning of an array in Javascript?
...
Use unshift. It's like push, except it adds elements to the beginning of the array instead of the end.
unshift/push - add an element to the beginning/end of an array
shift/pop - remove and return the first/last element of an array
A simple ...
How Many Seconds Between Two Dates?
...
I'm taking YYYY & ZZZZ to mean integer values which mean the year, MM & NN to mean integer values meaning the month of the year and DD & EE as integer values meaning the day of the month.
var t1 = new Date(YYYY, MM, D...
html - table row like a link
I can't set my table row as link to something. I can use only css and html. I tried different things from div in row to something another, but still can't make it works.
...
SQL SELECT WHERE field contains words
I need a select which would return results like this:
15 Answers
15
...
How do you split a list into evenly sized chunks?
... a list of arbitrary length, and I need to split it up into equal size chunks and operate on it. There are some obvious ways to do this, like keeping a counter and two lists, and when the second list fills up, add it to the first list and empty the second list for the next round of data, but this is...
Is it better to reuse a StringBuilder in a loop?
...loop I'm manipulating a StringBuilder and passing it to another method like this:
14 Answers
...
What is a clean, pythonic way to have multiple constructors in Python?
I can't find a definitive answer for this. As far as I know, you can't have multiple __init__ functions in a Python class. So how do I solve this problem?
...
Objective-C formatting string for boolean?
...it isn't hard):
NSLog(@" %s", BOOL_VAL ? "true" : "false");
I don't think there is a format specifier for boolean values.
share
|
improve this answer
|
follow
...
Custom toast on Android: a simple example
....
toast.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/toast_layout_root"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="10dp"
android:background="#...