大约有 40,000 项符合查询结果(耗时:0.0274秒) [XML]

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PHPExcel auto size column width

...column is set to AutoSize, PHPExcel attempts to calculate the column width based on the calculated value of the column (so on the result of any formulae), and any additional characters added by format masks such as thousand separators. By default, this is an estimated width: a more accurate calcul...
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Why is division in Ruby returning an integer instead of decimal value?

...it to learn what works best. Here's the benchmark I put together: require 'base64';require 'zlib';puts Zlib.inflate(Base64.decode64("eJxlkMEOwiAQRO98hekFuGzxQEwPXvwR01ZqiYHqBk2Tln8XDlWgnDbM25nJonq9NaoD7ZTtR9PigxK09zM7AkgRHieXTYHOsBNf1nklM6B6TuhYpdp+rPgSdiCOi/d/kQ71QBOtAVFLEDly05+UYQ2H+MckL6z0zioDdJG...
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Using vagrant to run virtual machines with desktop environment

My company's development environment is based on virtual machines, running on VirtualBox. We would like to move one step further, and use the capabilities of Vagrant to have the description of the machine in a text file and then be able to "raise" that machine based on that text file. Combined to pu...
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How to find out client ID of component for ajax update/render? Cannot find component with expression

... end result is the same: Identify the UIComponent that will be the base for searching, by stopping as soon as one of the following conditions is met: If the search expression begins with the the separator character (called an "absolute" search expression), the base will be the root U...
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What is the best method of handling currency/money?

... You'll probably want to use a DECIMAL type in your database. In your migration, do something like this: # precision is the total number of digits # scale is the number of digits to the right of the decimal point add_column :items, :price, :decimal, :precision => 8, :scale =&g...
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How do I return NotFound() IHttpActionResult with an error message or exception?

...he droids you're looking for."); } } If you used a custom controller base class (instead of directly inheriting from ApiController), you could also eliminate the "this." part (which is unfortunately required when calling an extension method): public class CustomApiController : ApiController {...
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Do you debug C++ code in Vim? How? [closed]

... Just to add a vim "like" debugger based off GDB - cgdb.github.io – Jimmy MG Lim Apr 3 '19 at 8:00 ...
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What exactly does stringstream do?

...um, unsigned int prec = 12) { string ret; stringstream ss; ios_base::fmtflags ff = ss.flags(); ff |= ios_base::floatfield; ff |= ios_base::fixed; ss.flags(ff); ss.precision(prec); ss << num; ret = ss.str(); return ret; }; Maybe it's a bit complicated b...
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How to copy a file to multiple directories using the gnu cp command

... Stipulating that answers be accepted based on whether they technically answer the question would be insufferably pedantic and not really useful. – Backgammon Mar 13 '14 at 14:51 ...
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Convert SVG to image (JPEG, PNG, etc.) in the browser

...s"); var img = canvas.toDataURL("image/png"); // do what you want with the base64, write to screen, post to server, etc... }); share | improve this answer | follow ...