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c - Why does ENOENT mean "No such file or directory"?

What does the ENT mean in ENOENT? Shouldn't the error: No such file or directory just be named by ENOFILE? Is there any story or reason? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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Is there an equivalent for var_dump (PHP) in Javascript?

We need to see what methods/fields an object has in Javascript. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Consume WCF Web Service using Objective-C on iPhone

I am having a hard time consuming a very simple (Hello World) WCF web service in my iPhone app. From what ... lost. Any and all help is much appreciated. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Java's final vs. C++'s const

The Java for C++ programmers tutorial says that (highlight is my own): The keyword final is roughly equivalent to ... same? What are the differences, if any? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to insert a text at the beginning of a file?

So far I've been able to find out how to add a line at the beginning of a file but that's not exactly what I ... . I would like to do this with sed if possible. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How can I fix the Microsoft Visual Studio error: "package did not load correctly"?

I installed Visual Studio 2012 and DevExpress 13.1. As Visual Studio started, it generated an error shown by ... This error also appears in Visual Studio 2017. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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windows - Get current batchfile directory

Firstly, I saw this topic but I couldn't understand that. Question : There is a batch file in D:pathofile.bat with ... It must be D:patho What am I doing wrong? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - What are the differences between composer update and composer install?

What are the differences between composer update and composer install? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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json - pinterest api documentation

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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253 views

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Android: HTTP communication should use "Accept-Encoding: gzip"

I've a HTTP communication to a webserver requesting JSON data. I'd like compress this data stream with Content- ... related to HTTP, as you can see here. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How does an interpreter/compiler work

How does an interpreter/compiler work? What is the difference between interpreter and compiler. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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220 views

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javascript - Convert object array to hash map, indexed by an attribute value of the Object

Use Case The use case is to convert an array of objects into a hash map based on string or function ... gist here: Converts Array of Objects to HashMap. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ubuntu - ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - multiple django sites with apache & mod_wsgi

I want to host several sites with under the same server which uses Debian 5, say I have site1, site2 and ... Django-based sites and will be served like site1? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - What is the difference between background and background-color

What's the difference between specifying a background color using background and background-color? Snippet #1 body { ... Snippet #2 body { background: blue; } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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833 views

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network programming - Difference between TCP and UDP?

What is the difference between TCP and UDP? I know that TCP is used in the case of non-time critical ... UDP make it useful for their respective use cases? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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216 views

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ios - How to play a sound using Swift?

I would like to play a sound using Swift. My code worked in Swift 1.0 but now it doesn't work anymore in ... ){ player.play() Data.backgroundMenuPlayed = 1 } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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270 views

1 answer

c - What is __stdcall?

I'm learning about Win32 programming, and the WinMain prototype looks like: int WINAPI WinMain ( HINSTANCE ... between the return type and function name? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

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macos - psql: could not connect to server: No such file or directory (Mac OS X)

Upon restarting my Mac I got the dreaded Postgres error: psql: could not connect to server: No such file or ... couldn't start Postgres because of this error. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Programmatically open Maps app in iOS 6

Previous to iOS 6, opening a URL like this would open the (Google) Maps app: NSURL *url = [NSURL ... it point to a specific location/address/search/whatever? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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230 views

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node.js - Cannot install node modules that require compilation on Windows 7 x64/VS2012

I cannot install any of the modules that require compilation. All they fail with the following error: MSBUILD : ... will have some ideas about it? Thanks. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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207 views

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google chrome - iOS Remote Debugging

With the recent release of Chrome for iOS, I was wondering how do you enable remote debugging for Chrome iOS? ... remote debugging can now be done with Safari. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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134 views

1 answer

Can you help me understand this? "Common REST Mistakes: Sessions are irrelevant"

Disclaimer: I'm new to the REST school of thought, and I'm trying to wrap my mind around it. So, I'm ... REST point of view, or is that missing the point? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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280 views

1 answer

git - How to add an Android Studio project to GitHub

This question already has answers here: Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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git - What is the difference between an annotated and unannotated tag?

If I want to tag the current commit. I know both of the following command lines work: git tag <tagname> ... >' What is the difference between these commands? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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232 views

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iphone - Apple PNS (push notification services) sample code

Is there a sample project showing how to use APNS on the IPhone and how to set up things? I'm currently ... anything using google or in the iphone dev center. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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455 views

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filepath - Changing MongoDB data store directory

Until now I have not been specifying a MongoDB data directory and have had only one 30 GB primary ... new disk without affecting my existing installation? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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212 views

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Fixing "Lock wait timeout exceeded; try restarting transaction" for a 'stuck" Mysql table?

From a script I sent a query like this thousands of times to my local database: update some_table set ... table and remove the stuck transaction from it? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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