大约有 16,380 项符合查询结果（耗时：0.0365秒） [XML]
Convert a timedelta to days, hours and minutes
I've got a timedelta. I want the days, hours and minutes from that - either as a tuple or a dictionary... I'm not fussed.
7...
Display name of the current file in vim?
How do you display the filename of the file you are working on in vim?
9 Answers
9
...
What is the Objective-C equivalent for “toString()”, for use with NSLog?
Is there a method that I can override in my custom classes so that when
5 Answers
5
...
UILabel - Wordwrap text
...rs that it will only wrap on line breaks. Do I have to add line breaks to make it wrap properly? I just want it to wrap if it can't fit it in horizontally.
...
jQuery: checking if the value of a field is null (empty)
...ck if the string value is the string "NULL". You want to check if it's an empty string instead:
if ($('#person_data[document_type]').val() != ''){}
or:
if ($('#person_data[document_type]').val().length != 0){}
If you want to check if the element exist at all, you should do that before calling ...
grepping using the “|” alternative operator
The following is a sample of a large file named AT5G60410.gff:
5 Answers
5
...
Use of ~ (tilde) in R programming Language
I saw in a tutorial about regression modeling the following command :
2 Answers
2
...
What is a provisioning profile used for when developing iPhone applications?
...
A Quote from : iPhone Developer Program (~8MB PDF)
A provisioning profile is a collection of digital entities that uniquely ties developers and devices to an authorized iPhone Development Team and enables a device to be used for tes...
Including JavaScript class definition from another file in Node.js
I'm writing a simple server for Node.js and I'm using my own class called User which looks like:
7 Answers
...
How to check if object (variable) is defined in R?
I'd like to check if some variable is defined in R - without getting an error. How can I do this?
6 Answers
...