大约有 47,000 项符合查询结果(耗时:0.0668秒) [XML]

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How can I extract embedded fonts from a PDF as valid font files?

...r example by using XPDF's pdftops (on Windows: pdftops.exe helper program. Now fonts will be embedded in .pfa (PostScript) format + you can extract them using a text editor. You may need to convert the .pfa (ASCII) to a .pfb (binary) file using the t1utils and pfa2pfb. In PDFs there are never .pfm o...
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CHECK constraint in MySQL is not working

... @Jérôme I know, I have some (more recent) answers that include improvements in this area (there had been other ways to workaround this issue, both in MariaDB and MySQL, before MariaDB properly implemented CHECK constraints). What I'm no...
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Best introduction to C++ template metaprogramming? [closed]

... link fixed now, thanks! – jwfearn Feb 15 '13 at 21:01 ...
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event.returnValue is deprecated. Please use the standard event.preventDefault() instead

... more see this warning (and other IEish bugs).. It's a question of time (now IE8 has 10% worldwide share, once it reaches 1% it is DEAD), meanwhile, just ignore the warning and stay zen :) share | ...
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classical inheritance vs prototypal inheritance in javascript

...rld entity (i.e. they represent real word things in the program). This is known as abstraction. Abstraction: The representation of real world things in computer programs. Theoretically an abstraction is defined as "a general concept formed by extracting common features from specific examples". How...
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Asking the user for input until they give a valid response

.... Feel free to use them in any context, without my explicit permission or knowledge. Regarding the non-code-block segments, If you want to paste my entire answer into a "Learn Python" book you're writing, let's talk royalties ;-) – Kevin Jul 24 at 13:50 ...
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How can I use Python to get the system hostname?

...ng. I ran into a case where the above didn't work. This is what I'm using now: import socket if socket.gethostname().find('.')>=0: name=socket.gethostname() else: name=socket.gethostbyaddr(socket.gethostname())[0] It first calls gethostname to see if it returns something that looks li...
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'python' is not recognized as an internal or external command [duplicate]

..., "User") Close PowerShell and then start it again to make sure Python now runs. If it doesn’t, restart may be required. share | improve this answer | follow ...
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Why are we not to throw these exceptions?

...llReferenceException and IndexOutOfRangeException are of a different kind. Now these are very specific exceptions, so throwing them could be fine. However, you still won’t want to throw these, as they usually mean that there are some actual mistakes in your logic. For example the null reference ex...
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Laravel Redirect Back with() Message

...('msg')// an extra 's' on end Should be: Session::get('msg') I think, now it should work, it does for me. share | improve this answer | follow | ...