大约有 47,000 项符合查询结果（耗时：0.0758秒） [XML]
How do I set the rounded corner radius of a color drawable using xml?
... a white background, black border and rounded corners:
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#ffffffff"/>
<stroke android:width="3dp"
android:color="...
What is %2C in a URL?
...hr | Hx | Chr | Hx | Chr |
+----+-----+----+-----+----+-----+----+-----+
| 00 | NUL | 20 | SPC | 40 | @ | 60 | ` |
| 01 | SOH | 21 | ! | 41 | A | 61 | a |
| 02 | STX | 22 | " | 42 | B | 62 | b |
| 03 | ETX | 23 | # | 43 | C | 63 | c |
| 04 | EOT | 24 | $ | 44 | D | 64 | d ...
npm install vs. update - what's the difference?
...in package.json:
{
"name": "my-project",
"version": "1.0", // install update
"dependencies": { // ------------------
"already-installed-versionless-module": "*", // ignores "1.0" -> "1.1"
"already...
MySQL - How to select data by string length
...
502
You are looking for CHAR_LENGTH() to get the number of characters in a string.
For multi-byte...
Apache: “AuthType not set!” 500 Error
...ver for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log:
6 Answ...
Capitalize only first character of string and leave others alone? (Rails)
... that the only letter changed is the first one.
new_string = string.slice(0,1).capitalize + string.slice(1..-1)
Update:
irb(main):001:0> string = "i'm from New York..."
=> "i'm from New York..."
irb(main):002:0> new_string = string.slice(0,1).capitalize + string.slice(1..-1)
=> "I'm ...
What's the difference between deadlock and livelock?
...
402
Taken from http://en.wikipedia.org/wiki/Deadlock:
In concurrent computing, a deadlock is a sta...
Javascript shorthand ternary operator
...:)
– Web_Designer
Jan 16 '12 at 18:10
8
For anyone curious, this works because JS's || operator d...
How to validate an email address using a regular expression?
...
+50
The fully RFC 822 compliant regex is inefficient and obscure because of its length. Fortunately, RFC 822 was superseded twice and the...
Ruby: How to get the first character of a string
...h more readable. For instance, this:
class String
def initial
self[0,1]
end
end
will allow you to use the initial method on any string. So if you have the following variables:
last_name = "Smith"
first_name = "John"
Then you can get the initials very cleanly and readably:
puts first...