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- 国际电话区号的“+”与“00”，是什么意思？该如何使用？ - 知乎
说明：此处的“00”是国际电信联盟推荐的国际冠码，被包括中国大陆在内的多数国家所采用，但是仍然有许多国家使用其它的国际冠码，详见： 国际冠码列表。 （如美国使用011，若从美国本土拨打上面的中国大陆电话，则实际拨号为：011 86 21 50504740）”
- c# - numeric format strings #,#0. 00 vs #,0. 00 - Stack Overflow
Probably because Microsoft uses the same format specifier in their documentation, including the page you linked It's not too hard to figure out why; #,##0 00 more clearly states the programmer's intent: three-digit groups separated by commas
- c - why is *pp [0] equal to **pp - Stack Overflow
So pp [0] points to the address of p, which is 0x2000, and by dereferencing I would expect to get the contents of address 0x2000 That's were your reasoning strays, but understandably so In C, the right hand side of an assignment, or generally an evaluation of an lvalue (vulgo: variable), more precisely an lvalue-to-rvalue conversion, is already a dereferencing! For example, int i, j=0; i=j
- c++ - What does (~0L) mean? - Stack Overflow
I'm doing some X11 ctypes coding, I don't know C but need some help understanding this In the C code below (might be C++ im not sure) we see (~0L) what does that mean? In Javascript and Python ~0
- How can I set the default value of a field as 0000-00-00 00:00:00?
You'll need to complete a few actions and gain 15 reputation points before being able to upvote Upvoting indicates when questions and answers are useful What's reputation and how do I get it? Instead, you can save this post to reference later
- i5-12450h相当于什么水平？都2025年了i5-12450H性能够用吗？现在还建议入手吗？3000左右的电脑推荐。
i5-12450H处理器是Q1'22发布的第 12 代智能英特尔® 酷睿™ i5 处理器，是intel近10年来仅有的2两次跨越式升级中的一代产品十二代处理器，至今2025年1月已经将近3年时间了，但是这款处理器仍然非常畅销，很多电脑品牌都在推出这款处理器的的产品（一线品牌，二三四线品牌都在用）并且在很多机型号上
- Update AMI American Megatrends BIOS via EFI UEFI firmware shell
I had American Megatrends on my prior desktop machine I used the Manufacturer's BIOS update package to update the UEFI BIOS That worked very well
- MySQL Incorrect datetime value: 0000-00-00 00:00:00
Normally, it should have added a null value to the timestampes (created_at, updated_at) but for some reason was adding Time stamp of '0000-00-00 00:00:00' value
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