大约有 48,000 项符合查询结果(耗时:0.0689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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Why do access tokens expire?

...izes my app I am given a "refresh token" and a short lived "access token". Now every time the access token expires, I can POST my refresh token to Google and they will give me a new access token. ...
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What is the easiest way to duplicate an activerecord record?

...initely DO NOT use clone. As other posters have mentioned the clone method now delegates to using Kernel#clone which will copy the id. Use ActiveRecord::Base#dup from now on – bradgonesurfing Aug 5 '11 at 13:57 ...
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USB Debugging option greyed out

...our phone to your PC, using the USB cable, select the mode as PC Software. Now you should be able to enable USB Debugging. share | improve this answer | follow ...
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Why is JavaScript called JavaScript, since it has nothing to do with Java? [closed]

...zed language is named ECMAScript. JavaScript isn't actually an open name. Now it's a trademark of Sun (now Oracle). There still a lot of confusion, some people still think that JavaScript, JScript, and ECMAScript are three different languages. ECMAScript is the "standards" name for the language. ...
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How to add minutes to my Date

...lang3.time package int addMinuteTime = 5; Date targetTime = new Date(); //now targetTime = DateUtils.addMinutes(targetTime, addMinuteTime); //add minute share | improve this answer | ...
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How to merge YAML arrays?

... "ssh://git@gitlab.com" - mkdir -p ~/.ssh - chmod 700 ~/.ssh - echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts - chmod 644 ~/.ssh/known_hosts test: image: python:3.7.3 stage: test script: - *pip_git - pip install -q -r requirements_test.txt - python -m unittest d...
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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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Find if variable is divisible by 2

...iot for asking the question...which (for all the others who don't already know) is a big deal to new jQuery/Javascript developers. – sadmicrowave May 13 '10 at 11:54 6 ...
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What is the purpose of setting a key in data.table?

... Cool, thanks! Up until now, I hadn't thought about what "binary search" actually meant, nor really understood the reason why it was used instead of a hash. – Frank Nov 18 '13 at 22:02 ...