大约有 900 项符合查询结果(耗时:0.0155秒) [XML]

https://stackoverflow.com/ques... 

How can I validate a string to only allow alphanumeric characters in it?

...h typically is A-Z, a-z and 0-9). This answer allows local characters like åäö. Update 2018-01-29 The syntax above only works when you use a single method that has a single argument of the correct type (in this case char). To use multiple conditions, you need to write like this: if (yourText....
https://stackoverflow.com/ques... 

Why does modern Perl avoid UTF-8 by default?

...=>"is",level => 1)->eq("d", " ð") is false. Similarly, "ae" and "æ" are eq if you don’t use locales, or if you use the English one, but they are different in the Icelandic locale. Now what? It’s tough, I tell you. You can play with ucsort to test some of these things out. Consider ...
https://stackoverflow.com/ques... 

Is the LIKE operator case-sensitive with MSSQL Server?

In the documentation about the LIKE operator , nothing is told about the case-sensitivity of it. Is it? How to enable/disable it? ...
https://stackoverflow.com/ques... 

How do I copy a string to the clipboard on Windows using Python?

...ith Unicode characters too. I have tested characters ±°©©αβγθΔΨΦåäö to work on Win10 64-bit, with Python 3.5 and pyperclip 1.5.27. – np8 Jul 3 '16 at 15:55 ...
https://stackoverflow.com/ques... 

HTML5 Canvas vs. SVG vs. div

What is the best approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around. ...
https://stackoverflow.com/ques... 

Where can I download english dictionary database in a text format? [closed]

...purpose dictionary you can look up most words in. – Lèse majesté Dec 28 '12 at 2:50 2 The Objec...
https://stackoverflow.com/ques... 

Regular expression to match DNS hostname or IP Address?

...latin (Punycoded) hostnames must be converted to ASCII form first (éxämplè.com = xn--xmpl-loa1ab.com) and then validated. – Alix Axel Jul 21 '13 at 8:36 6 ...
https://stackoverflow.com/ques... 

How to unescape HTML character entities in Java?

...lt;/p>, with StringEscapeUtils.unescapeHtml4() I get <p>üè</p>. Is there a way to keep existing html tags intact? – Nickkk Jan 13 at 12:10 add...
https://stackoverflow.com/ques... 

Is the size of C “int” 2 bytes or 4 bytes?

...xteen bits of storage: UINT_MAX 65535 // 2¹⁶ - 1 Thus we can see that unsigned int require (at least) 16 bits, which is where you get the two bytes (assuming CHAR_BIT is 8)... and later when that limit increased to 2³² - 1, people were stating 4 bytes instead...
https://stackoverflow.com/ques... 

How do I get user IP address in django?

... answered May 12 '11 at 9:38 SævarSævar 1,38788 silver badges1212 bronze badges ...