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network programming - Why does TCP wait for three duplicate ACK before fast retransmit?

(Closed.) This question is off-topic. It is not currently accepting answers. question from:https://stackoverflow. ... -does-tcp-wait-for-three-duplicate-ack-before-fast-retransmit...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ide - VB6 Editor changing case of variable names

I'm not much of a Visual Basic person, but I am tasked with maintaining an old VB6 app. Whenever I ... stackoverflow.com/questions/248760/vb6-editor-changing-case-of-variable-names...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Android opening a file with ACTION_GET_CONTENT results into different Uri's

I am trying to open files by using Intent.ACTION_GET_CONTENT. Dependent on the Android version/device brand the file ... a-file-with-action-get-content-results-into-different-uris...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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performance - improving speed of Python module import

The question of how to speed up importing of Python modules has been asked previously (Speeding up the ... .com/questions/16373510/improving-speed-of-python-module-import...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Inter-fragment communication applied to Nested Fragments?

The Android developers site has a great article on how to use interfaces to communicate between: A ... /questions/14831690/inter-fragment-communication-applied-to-nested-fragments...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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build process - Building a library using autotools from cmake

This is my first try with cmake and I would like to have, if possible, some feedbacks about what I ... .com/questions/5971921/building-a-library-using-autotools-from-cmake...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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json - What is difference between ObjectResult and JsonResult

There are two classes in Microsoft.AspNetCore.Mvc namespace: ObjectResult and JsonResult. Both convert the ... /38788559/what-is-difference-between-objectresult-and-jsonresult...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - C++11 Thread waiting behaviour: std::this_thread::yield() vs. std::this_thread::sleep_for( std::chrono::milliseconds(1) )

I was told when writing Microsoft specific C++ code that writing Sleep(1) is much better than Sleep( ... 17325888/c11-thread-waiting-behaviour-stdthis-threadyield-vs-stdthis-thread...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - How to set width of a p:column in a p:dataTable in PrimeFaces 3.0?

I'm using PrimeFaces 3.0-M3 and I have a <p:dataTable> with two columns in it. I want the first column to be ... how-to-set-width-of-a-pcolumn-in-a-pdatatable-in-primefaces-3-0...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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testing - Starting an H2 Database Server from Maven?

Suppose I want to create and use an H2 database for my integration tests. Maven has a command to run ... .com/questions/2205126/starting-an-h2-database-server-from-maven...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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xcode - Library not loaded: @rpath/FBLPromises.framework/FBLPromises iOS 13.3.1

(This question already has answers here): question from:https://stackoverflow.com/questions/60096258/library-not-loaded-rpath-fblpromises-framework-fblpromises-ios-13-3-1...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Promise. What is the difference between return resolve() and resolve()?

somewhere read this example: return new Promise( (resolve, reject) => { fs.readFile(file, (err, data) ... 42349338/promise-what-is-the-difference-between-return-resolve-and-resolve...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Protobuf: Will set_allocated_* delete the allocated object?

I have this small protobuf code (simplified, only the necessary is contained): message ParamsMessage { required ... 33960999/protobuf-will-set-allocated-delete-the-allocated-object...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Custom seekbar thumb not transparent on Lollipop API21

This is my seekbar: <SeekBar android:id="@+id/seek1" android:layout_width="fill_parent" android:layout_height=" ... /26989400/custom-seekbar-thumb-not-transparent-on-lollipop-api21...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - What is AWDL (Apple Wireless Direct Link) and how does it work?

I'm trying to find out what AWDL is. On iOS, if you use Apple's peer-to-peer networking over BlueTooth, it ... /what-is-awdl-apple-wireless-direct-link-and-how-does-it-work...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Throwing multiple exceptions in .Net/C#

In an application I work on, any business logic error causes an exception to be thrown, and the calling ... stackoverflow.com/questions/278466/throwing-multiple-exceptions-in-net-c...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Using .loc with a MultiIndex in pandas?

Does anyone know if it is possible to use the DataFrame.loc method to select from a MultiIndex? I have ... .com/questions/24435788/using-loc-with-a-multiindex-in-pandas...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How do I call a Django function on button click?

I am trying to write a Django application and I am stuck at how I can call a view function when a button is ... /questions/15341285/how-do-i-call-a-django-function-on-button-click...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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how do i debug/breakpoint my django app using pycharm?

I'm trying to work out how to run the debug stuff that pycharm seems to offer (well, it allows me to ... questions/11254491/how-do-i-debug-breakpoint-my-django-app-using-pycharm...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - What microdata should I use for a blog?

The blog is basically a page that lists the summary of like 10 articles, each item title linking to the full ... .com/questions/8866021/what-microdata-should-i-use-for-a-blog...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sockets - How to identify end of InputStream in java

I am trying to read bytes from server using Socket program, ie I am using InputStream to read the bytes. If I ... .com/questions/5562370/how-to-identify-end-of-inputstream-in-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why does ArrayList have "implements List"?

(This question already has answers here): question from:https://stackoverflow.com/questions/4387419/why-does-arraylist-have-implements-list...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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The initialization of static variables in C

I have a question about the initialization of static variables in C. I know if we declare a global static ... .com/questions/13251083/the-initialization-of-static-variables-in-c...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to check if a program is run in Bash on Ubuntu on Windows and not just plain Ubuntu?

Pretty straightforward, the usual places to figure out the OS you're on seem to be identical to plain Ubuntu on Ubuntu ... is-run-in-bash-on-ubuntu-on-windows-and-not-just-plain...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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macos - Command line zip everything within a directory, but do not include any directory as the root

I can't find the answer to this for the life of me. Because I am packaging a zip in a specific way for ... -line-zip-everything-within-a-directory-but-do-not-include-any-directory...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - -event- can only appear on the left hand side of += or -=

I have an event in a loop. I am trying to prevent the same method being added to an event more than once. I' ... questions/4496799/event-can-only-appear-on-the-left-hand-side-of-or...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php dom get all attributes of a node

is there any easy way of getting all attributes of a node without checking if it has that attribute? short, here's ... .com/questions/2385834/php-dom-get-all-attributes-of-a-node...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - What does the term "broadcasting" mean in Pandas documentation?

I'm reading through the Pandas documentation, and the term "broadcasting" is used extensively, but never really ... /what-does-the-term-broadcasting-mean-in-pandas-documentation...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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