大约有 8,000 项符合查询结果(耗时:0.0361秒) [XML]

https://stackoverflow.com/ques... 

How do I split a string on a delimiter in Bash?

...ring an array and implicitly "loop" over the delimited elements, calling a function on each: myPubliMail() { printf "Seq: %6d: Sending mail to '%s'..." $1 "$2" # mail -s "This is not a spam..." "$2" </path/to/body printf "\e[3D, done.\n" } mapfile < <(printf "%s\0" "$IN") -td \...
https://stackoverflow.com/ques... 

How to add Options Menu to Fragment in Android

... super.onCreateOptionsMenu(menu, inflater); } Kotlin: override fun void onCreate(savedInstanceState: Bundle) { super.onCreate(savedInstanceState) setHasOptionsMenu(true) } override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) { // TODO Add ...
https://stackoverflow.com/ques... 

Update multiple rows in same query using PostgreSQL

...izable: update test as t set column_a = c.column_a from (values ('123', 1), ('345', 2) ) as c(column_b, column_a) where c.column_b = t.column_b; You can add as many columns as you like: update test as t set column_a = c.column_a, column_c = c.column_c from (values ('12...
https://stackoverflow.com/ques... 

Grouping functions (tapply, by, aggregate) and the *apply family

Whenever I want to do something "map"py in R, I usually try to use a function in the apply family. 10 Answers ...
https://stackoverflow.com/ques... 

Change the Right Margin of a View Programmatically?

... Use This function to set all Type of margins public void setViewMargins(Context con, ViewGroup.LayoutParams params, int left, int top , int right, int bottom, View view) { final float scale = con.getResources(...
https://stackoverflow.com/ques... 

Extract digits from a string in Java

...cimal point, it removes the decimal point too. str = str.replaceAll("[^\\.0123456789]",""); – Aravindan R Jan 10 '12 at 22:21 ...
https://stackoverflow.com/ques... 

How to delete last character from a string using jQuery?

How to delete last character from a string for instance in 123-4- when I delete 4 it should display 123- using jQuery . ...
https://stackoverflow.com/ques... 

Python __str__ versus __unicode__

...by side with __str__. class A : def __init__(self) : self.x = 123 self.y = 23.3 #def __str__(self) : # return "STR {} {}".format( self.x , self.y) def __unicode__(self) : return u"UNICODE {} {}".format( self.x , self.y) a1 = A() a2 = A() ...
https://stackoverflow.com/ques... 

Best practices for API versioning? [closed]

... behave identically to all API requests): http://shonzilla/api/customers/1234 http://shonzilla/api/v3.0/customers/1234 http://shonzilla/api/v3/customers/1234 In addition, API clients that still try to point to the old API should be informed to use the latest previous API version, if the API vers...
https://stackoverflow.com/ques... 

How to map with index in Ruby?

... Here are two more options for 1.8.6 (or 1.9) without using enumerator: # Fun with functional arr = ('a'..'g').to_a arr.zip( (2..(arr.length+2)).to_a ) #=> [["a", 2], ["b", 3], ["c", 4], ["d", 5], ["e", 6], ["f", 7], ["g", 8]] # The simplest n = 1 arr.map{ |c| [c, n+=1 ] } #=> [["a", 2], ["b...