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In Bash, how can I check if a string begins with some value?
... The == comparison operator behaves differently within a double-brackets
# test than within single brackets.
[[ $a == z* ]] # True if $a starts with a "z" (wildcard matching).
[[ $a == "z*" ]] # True if $a is equal to z* (literal matching).
So you had it nearly correct; you needed double bracke...
Can the Android layout folder contain subfolders?
...ctories inside the 'project' view, not the 'android' view unfortunately.)
Tested with the following.
BuildToolsVersion = 23.0.0
gradle 1.2.3 & 1.3.0
This is how I got mine to work with an already built project.
Copy all of the XML files out of your layout directory, and put them into a direc...
How to remove the querystring and get only the url?
..._parts['path'])?$url_parts['path']:'');
return $constructed_url;
}
$test = array(
'http://www.mydomian.com/myurl.html?unwan=abc',
'http://www.mydomian.com/myurl.html',
'http://www.mydomian.com',
'https://mydomian.com/myurl.html?unwan=abc&ab=1'
);
foreach($test as $url){
...
How do I use Java to read from a file that is actively being written to?
... file, while reading this very same file every 2500 ms
public class TailerTest
{
public static void main(String[] args)
{
File f = new File("/tmp/test.txt");
MyListener listener = new MyListener();
Tailer.create(f, listener, 2500);
try
{
...
SQLite select where empty?
...
SELECT * FROM your_table WHERE some_column IS NULL OR some_column = '';
Test case:
CREATE TABLE your_table (id int, some_column varchar(10));
INSERT INTO your_table VALUES (1, NULL);
INSERT INTO your_table VALUES (2, '');
INSERT INTO your_table VALUES (3, 'test');
INSERT INTO your_table VALUES ...
HTML/CSS: Making two floating divs the same height
... <div id="container">
<div id="left-col">
<p>Test content</p>
<p>longer</p>
</div>
<div id="right-col">
<p>Test content</p>
</div>
</div>
</body>
I think it worth mention...
HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...SERVERID可在下面使用cookie关键字定义
option httpchk GET /test/index.php
# 开启对后端服务器的健康检测，通过GET /test/index.php来判断后端服务器的健康情况
server php_server_1 10.12.25.68:80 cookie 1 check inter 2000 rise 3 fall 3 weight 2
serv...
What does @@variable mean in Ruby?
...xample; its output is in the comments at the end of the puts lines:
class Test
@@shared = 1
def value
@@shared
end
def value=(value)
@@shared = value
end
end
class AnotherTest < Test; end
t = Test.new
puts "t.value is #{t.value}" # 1
t.value = 2
puts "t.value is #{t.value}"...
Unicode (UTF-8) reading and writing to files in Python
...method from the io module.
>>>import io
>>>f = io.open("test", mode="r", encoding="utf-8")
Then after calling f's read() function, an encoded Unicode object is returned.
>>>f.read()
u'Capit\xe1l\n\n'
Note that in Python 3, the io.open function is an alias for the bui...
How do I configure different environments in Angular.js?
...ects the current domain and sets the environment appropriately – time to test it out!
– StevieP
May 17 '16 at 12:06
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