大约有 37,000 项符合查询结果(耗时:0.0351秒) [XML]
How to print instances of a class using print()?
....it will act the following way in the Python shell:
>>> t = Test(123, 456)
>>> t
<Test a:123 b:456>
>>> print repr(t)
<Test a:123 b:456>
>>> print(t)
From str method of Test: a is 123, b is 456
>>> print(str(t))
From str method of Test: a is ...
How to execute PHP code from the command line?
I would like to execute a single php statement like if(function_exists("my_func")) echo 'function exists'; directly with the command line without having to use a seperate php file.
...
SQL order string as number
... | 0 /* the string does not contain a number, so the result is 0 */
'123miles' | 123
'$123' | 0 /* the left side of the string does not start with a number */
share
|
improve t...
做程序猿的老婆应该注意的一些事情 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...病、脂肪肝、腱鞘炎。
十,不要太担心程序猿在男女问题方面出问题
相信他们更愿意娶个电脑。如果真的出了问题,可能他本质不是程序猿,而是产品或者设计狮。
十一,不要让亲戚朋友们找程序猿买电脑攒电脑...
How do I use shell variables in an awk script?
...f the environment variable ("${v}"):
% awk -vv="${v}" 'BEGIN { print v }'
123test
Or to make it clearer (with far fewer vs):
% environment_variable=123test
% awk -vawk_variable="${environment_variable}" 'BEGIN { print awk_variable }'
123test
...
Is APC compatible with PHP 5.4 or PHP 5.5?
It doesn't seem like APC has been updated to coincide with the php 5.4 release (I wish they would have included APC in PHP core like originally planned).
...
Apache is downloading php files instead of displaying them
...
The correct AddType for php is application/x-httpd-php
AddType application/x-httpd-php .php
AddType application/x-httpd-php-source .phps
Also make sure your php module is loaded
LoadModule php5_module modules/mod_php55.so
Whe...
Formatting a number with exactly two decimals in JavaScript
...); // Returns 1.27
This genericity also provides some cool stuff:
round(1234.5678, -2); // Returns 1200
round(1.2345678e+2, 2); // Returns 123.46
round("123.45"); // Returns 123
Now, to answer the OP's question, one has to type:
round(10.8034, 2).toFixed(2); // Returns "10.80"
round...
Pass a PHP array to a JavaScript function [duplicate]
I am trying to get a PHP array variable into a JavaScript variable.
4 Answers
4
...
Efficient way to remove ALL whitespace from String?
... .ToArray());
}
I tested it in a simple unit test:
[Test]
[TestCase("123 123 1adc \n 222", "1231231adc222")]
public void RemoveWhiteSpace1(string input, string expected)
{
string s = null;
for (int i = 0; i < 1000000; i++)
{
s = input.RemoveWhitespace();
}
Assert...