大约有 42,000 项符合查询结果(耗时:0.0250秒) [XML]

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How to download Xcode DMG or XIP file?

... You can find the DMGs or XIPs for Xcode and other development tools on https://developer.apple.com/download/more/ (requires Apple ID to login). You must login to have a valid session before downloading anything below. *(Newest on top. For each minor version (6.3, 5...
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What does O(log n) mean exactly?

I am learning about Big O Notation running times and amortized times. I understand the notion of O(n) linear time, meaning that the size of the input affects the growth of the algorithm proportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permu...
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how to create a file name with the current date & time in python?

... problem (answers your question) of getting a string with the current time and date format you specify: import time timestr = time.strftime("%Y%m%d-%H%M%S") print timestr yields: 20120515-155045 so your filename could append or use this string. ...
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Makefile, header dependencies

...dependency on the object files, when it should obviously be on the sources and had the order of dependency wrong for the two targets, too. That's what I get for typing from memory. Try it now. – dmckee --- ex-moderator kitten Aug 23 '11 at 21:15 ...
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How do I deploy Node.js applications as a single executable file? [duplicate]

Supposed I have written a Node.js application, and I now would like to distribute it. Of course, I want to make it easy for the user, hence I do not want him to install Node.js, run npm install and then manually type node app.js . ...
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How to recognize USB devices in Virtualbox running on a Linux host? [closed]

...d filter from device, no devices is listed, even if an USB pen is attached and recognized by my Lubuntu 13.10. If i run the guest, nothing happens if I attach the device and, as above, no USB device is detected in Devices -> USB devices ...
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How to measure time taken by a function to execute

...is required to import the performance class Using console.time: (non-standard) (living standard) console.time('someFunction') someFunction() // Whatever is timed goes between the two "console.time" console.timeEnd('someFunction') Note: The string being pass to the time() and timeEnd() metho...
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Dynamic instantiation from string name of a class in dynamically imported module?

...tlib.import_module will load the .py file into a pyc if needed as well as handle the complete module.name.pathing.to.get.to.the class. __import__ will not do either of these things, in a django environment (not tested outside of this) – James Mar 11 '17 at 2:05...
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Detect if device is iOS

... Detecting iOS With iOS 13 iPad both User agent and platform strings are changed and differentiating between iPad and MacOS seems possible, so all answers below needs to take that into account now. This might be the shortest alternative that also covers iOS 13: function iO...
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How to set NODE_ENV to production/development in OS X

...it in your runtime file, since it's not easy to open up VIM in your server and change it to production. You can make a config.json file in your directory and everytime your app runs, it reads from it and sets the configuration. ...