大约有 953 项符合查询结果（耗时：0.0159秒） [XML]
See what process is using a file in Mac OS X
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lsof | grep myfilename worked for me. I've got a PDF file in my Trash that the system claims is in use. Weirdly lsof claims it's in use by Preview but Preview doesn't seem to be running (eg when I command-tab through the running apps) but Activity Monitor does show it to b...
Convert data.frame column format from character to factor
...tml
R Reference card: http://cran.r-project.org/doc/contrib/Short-refcard.pdf
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Simplest way to serve static data from outside the application server in a Java web application
... I want to load static images that will be shown both on the Web UI and in PDF files generated by the application. Also new images will be added and saved by uploading via the Web UI.
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Which equals operator (== vs ===) should be used in JavaScript comparisons?
...n tremendously. It is an acquired skill. So, let's continue.
Searching the PDF file for === brings me to page 56 of the specification: 11.9.4. The Strict Equals Operator ( === ), and after wading through the specificationalese I find:
11.9.6 The Strict Equality Comparison Algorithm
The comparison x...
Is the order of elements in a JSON list preserved?
...rded passage in ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf 'The JSON syntax does not define any specific meaning to the ordering of the values. However, the JSON array structure is often used in situations where there is some semantics to the ordering. '
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What is the difference between NULL, '\0' and 0?
...).
References
See Question 5.3 of the comp.lang.c FAQ for more.
See this pdf for the C standard. Check out sections 6.3.2.3 Pointers, paragraph 3.
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How JavaScript closures are garbage collected
... the (standard)[ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf] says anything about only the variables that it uses internally should be available. In section 13, the production step 4: Let closure be the result of creating a new Function object as specified in 13.2, 10.2 "The outer ...
Django - how to create a file and save it to a model's FileField?
...ntentFile) works perfectly with the file string returned by django-wkhtmltopdf's convert_to_pdf command. Thank you!!
– Nostalg.io
Sep 1 '16 at 4:53
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How to open every file in a folder?
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This opens, prints, closes every PDF in a directory using PyPerClip and PyAutoGui. Hope others find this helpful.
– RockwellS
Jun 8 '18 at 22:09
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Algorithm to return all combinations of k elements from n
...Eades, Hickey, Read Adjacent Interchange Combination Generation Algorithm (PDF, with code in Pascal)
Combination Generators
Survey of Combinatorial Gray Codes (PostScript)
An Algorithm for Gray Codes
Chase's Twiddle (algorithm)
Phillip J Chase, `Algorithm 382: Combinations of M out of N Objects' ...