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栈和队列的面试题Java实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...就能保证min存放的是最小值。但是这样的话，会存在一个问题：如果最小的元素出栈了，那怎么知道剩下的元素中哪个是最小的元素呢？
改进思路：
这里需要加一个辅助栈，用空间换取时间。辅助栈中，栈顶永远保存着当前...
Get user info via Google API
...re": "xx",
"gender": "xx",
"locale": "xx"
}
To Tahir Yasin:
This is a php example.
You can use json_decode function to get userInfo array.
$q = 'https://www.googleapis.com/oauth2/v1/userinfo?access_token=xxx';
$json = file_get_contents($q);
$userInfoArray = json_decode($json,true);
$googleEmai...
Assign an initial value to radio button as checked
...nchecked.
<input type="radio" name="gender" value="male" required <?php echo "checked"; ?>/>
<input type="radio" name="gender" value="female" required />
This will makes the "male" radio button checked.
<input type="radio" name="gender" value="male" <?php echo "checked"; ...
Regex using javascript to return just numbers
... the non-digit characters (\D or [^0-9]):
let word_With_Numbers = 'abc123c def4567hij89'
let word_Without_Numbers = word_With_Numbers.replace(/\D/g, '');
console.log(word_Without_Numbers)
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...
What does @@variable mean in Ruby?
... preceded with an at sign is that it is an instance variable, like this in PHP:
5 Answers
...
余佳文公开道歉： “一亿分红”本质上是吹嘘炒作 - 资讯 - 清泛网 - 专注C/...
...们在分析被投企业失败原因的时候，发现有两个最集中的问题：一是团队，创业团队的格局能不能支撑到未来；二是对资金有没有规划，是不是乱烧钱。
不同性格的创业者都有成功的可能性，但成功的创业者在基础层面往往有...
How to set thousands separator in Java?
...atSymbols(new Locale("pt", "BR")));
BigDecimal value = new BigDecimal(123456.00);
System.out.println(df.format(value.floatValue()));
// results: "123.456,00"
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Does java.util.List.isEmpty() check if the list itself is null? [duplicate]
...I deleted my stupid comment, before I saw your answer. Maybe he comes from PHP where we have !empty($foo) as somewhat an alias for isset($foo) && $foo != "".
– Aufziehvogel
Jul 16 '12 at 20:39
...
Convert character to ASCII code in JavaScript
...18": "v", "119": "w", "120": "x",
"121": "y", "122": "z", "123": "{", "124": "|", "125": "}",
"126": "~", "127": ""
}
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rreplace - How to replace the last occurrence of an expression in a string?
... = s.rsplit(old, occurrence)
... return new.join(li)
...
>>> s
'1232425'
>>> rreplace(s, '2', ' ', 2)
'123 4 5'
>>> rreplace(s, '2', ' ', 3)
'1 3 4 5'
>>> rreplace(s, '2', ' ', 4)
'1 3 4 5'
>>> rreplace(s, '2', ' ', 0)
'1232425'
...