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c - What is the difference between ++i and i++? - Stack Overflow
2008年8月24日 · i++ is known as post increment whereas ++i is called pre increment.. i++. i++ is post increment because it increments i's value by 1 after the operation is over.
What's  sign at the beginning of my source file?
I have a PHP source file where  characters automatically got added in! I don't know from where they have come.
What does this regular expression mean /^[a-z]{1}[a-z0-9_]{3,13}$/
2014年6月24日 · Assert position at the beginning of the string «^» Match a single character in the range between “a” and “z” «[a-z]{1}» Exactly 1 times «{1}» Match a single character present in …
python - How do I install pip on Windows? - Stack Overflow
@nicolas Yeah, easyinstall is just an outdated interface to setuptools. Pip is awesome, and virtualenv offers the kind of control that you don't get in many other languages without WAY …
What's the difference between <b> and <strong>, <i> and <em>?
2008年11月7日 · HTML5 has new semantic meanings for b and i.They are tags you should use when you need to draw attention to a part of prose, or to offset normal prose, without …
Origin of "I hear and I forget. I see and I remember. I do and I ...
2015年2月11日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
verbs - What's the difference between "I look forward to" and "I'm ...
Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …
Cannot send messages | Thunderbird Help - Mozilla Support
2023年12月28日 · Verify your SMTP outgoing email settings. In the Thunderbird menu bar, click the Tools Edit menu and select Account Settings, or click the Application menu button and …
How to install Firefox on Windows | Firefox Help - Mozilla Support
2025年1月4日 · Click Open file in the Downloads notification on Microsoft Edge to start the process.; In other browsers, you may need to first save the Firefox installer to your computer, …
python - How do I trim whitespace? - Stack Overflow
2022年5月21日 · For whitespace on both sides, use str.strip:. s = " \t a string example\t " s = s.strip() For whitespace on the right side, use str.rstrip: