大约有 40,000 项符合查询结果（耗时：0.0578秒） [XML]
GridLayout and Row/Column Span Woe
...>
<Space
android:layout_width="36dp"
android:layout_column="0"
android:layout_row="7" />
<Space
android:layout_width="36dp"
android:layout_column="1"
android:layout_row="7" />
<Space
android:layout_width="36dp"
android:layout_column="2"
androi...
Java Date cut off time information
... // locale-specific
cal.setTime(dateObject);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
long time = cal.getTimeInMillis();
share
|
...
Is there a date format to display the day of the week in java?
...of date formats such as
"yyyy-mm-dd" -which displays date in format 2011-02-26
"yyyy-MMM-dd" -which displays date in format 2011-FEB-26
...
How to extract the first two characters of a string in shell scripting?
...er expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will set short to be the first two characters of long. If long is shorter than two characters, short will be identical to it.
This in-shell method is usually better if you're going to be doi...
How to erase the file contents of text file in Python?
...if you have already an opened file:
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+
In C++, you could use something similar.
share
|
improve this answer
|
...
How can I remove a character from a string using Javascript?
...
502
var mystring = "crt/r2002_2";
mystring = mystring.replace('/r','/');
will replace /r with / u...
How to create default value for function argument in Clojure
...y default values.
(defn string->integer
([s] (string->integer s 10))
([s base] (Integer/parseInt s base)))
Note that assuming false and nil are both considered non-values, (if (nil? base) 10 base) could be shortened to (if base base 10), or further to (or base 10).
...
Difference between float and decimal data type
...I found when I had this doubt.
mysql> create table numbers (a decimal(10,2), b float);
mysql> insert into numbers values (100, 100);
mysql> select @a := (a/3), @b := (b/3), @a * 3, @b * 3 from numbers \G
*************************** 1. row ***************************
@a := (a/3): 33.33333...
Uninstall all installed gems, in OSX?
...
430
Rubygems >= 2.1.0
gem uninstall -aIx
a removes all versions
I ignores dependencies
x inclu...
How can I rollback a github repository to a specific commit?
My github has 100 commits in it right now. I need to rollback the repository to commit 80, and remove all the subsequent ones.
...