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How to remove all whitespace from a string?
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I just learned about the "stringr" package to remove white space from the beginning and end of a string with str_trim( , side="both") but it also has a replacement function so that:
a <- " xx yy 11 22 33 "
str_replace_all(string=a, pattern=" ", repl="")
[1] "xxyy112233"
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How to edit log message already committed in Subversion?
...value to be
permanently discarded, and Subversion
tries to prevent you from doing this
accidentally. However, there are a
couple of ways to get Subversion to
change a revision property.
The first way is for the repository
administrator to enable revision
property modifications. Th...
Getting content/message from HttpResponseMessage
I'm trying to get content of HttpResponseMessage. It should be: {"message":"Action '' does not exist!","success":false} , but I don't know, how to get it out of HttpResponseMessage.
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jQuery hide element while preserving its space in page layout
...ide() sets the display style to none, which completely removes the element from the document flow and causes it to not take up space.
visibility:hidden keeps the space as it is.
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improve thi...
PostgreSQL Connection URL
...ord]@][netloc][:port][/dbname][?param1=value1&...]
Here are examples from same document
postgresql://
postgresql://localhost
postgresql://localhost:5432
postgresql://localhost/mydb
postgresql://user@localhost
postgresql://user:secret@localhost
postgresql://other@localhost/otherdb?connect_time...
Will strlen be calculated multiple times if used in a loop condition?
...Not only must ss not be changed in the for loop; it must not be accessible from and changed by any function called in the loop (either because it is passed as an argument, or because it a global variable or a file-scope variable). Const-qualification may also be a factor, too.
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WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
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WheelView, like number picker, but can be any strings.
original code from WheelView: 效果类似android4.0以上原生的DatePicker 18
Thanks @wildcontrol to sponsor this extension
Demo picture:
this demo used 3 extensions
Download link here;
aix拓展
cn.kevinkun.WheelView.aix
demo
W...
Jquery to change form action
...nk that triggered the modal
var cURL= link.data('url');// Extract info from data-* attributes
$("#delUserform").attr("action", cURL);
});
If you are trying to change the form action on regular page, use below code
$("#yourElementId").change(function() {
var action = <generate_ac...
new DateTime() vs default(DateTime)
...erless constructors for structs, which allow the behavior of new to differ from what default(T) will do.
– vcsjones
Feb 27 '15 at 15:45
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send/post xml file using curl command line
...send/post an xml file to a local server http://localhost:8080 using curl from the command line?
8 Answers
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