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c# - Re-Send HttpRequestMessage - Exception

I want to send the exact same request more than once, for example: HttpClient client = new HttpClient(); ... like headers and request method. See Question&Answers more detail:os...

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

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conflicting types error when compiling c program using gcc

I tried to compile following program with gcc. 0 #include <stdio.h> 1 2 main () 3 4 { 5 char ... explain why the problem happens? Thanks! See Question&Answers more detail:os...

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

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python - Get dimensions of a video file

Is there a way in python to get the dimensions of a video file or some other library that would accomplish ... Info or something? Thank you. See Question&Answers more detail:os...

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

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What's win32con module in python? Where can I find it?

I'm building an open source project that uses python and c++ in Windows. I came to the following error message: ... to do with the executable :S See Question&Answers more detail:os...

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

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javascript - Firebase: change the location of the service worker

I am trying to use Firebase messaging (web). Firebase by default searches for the file "firebase-messaging- ... worker for firebase messaging? See Question&Answers more detail:os...

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

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How to swap values of two rows in MySQL without violating unique constraint?

I have a "tasks" table with a priority column, which has a unique constraint. I'm trying to swap the ... ) ENGINE=InnoDB DEFAULT CHARSET=utf8 See Question&Answers more detail:os...

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

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is there a maximum size to android internal storage allocated for an app?

I want to save a json file with all the application data (something similar to preference) but im not sure ... internal storage for the device ? See Question&Answers more detail:os...

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

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Reloading/Refreshing Spring configuration file without restarting the servlet container

How can I refresh Spring configuration file without restarting my servlet container? I am looking for a solution other than JRebel. See Question&Answers more detail:os...

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

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jquery - Can I append an array to 'formdata' in javascript?

I'm using FormData to upload files. I also want to send an array of other data. When I send just the image, it ... ; $.fancybox.close(); } }); See Question&Answers more detail:os...

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

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python - In Pandas, how to delete rows from a Data Frame based on another Data Frame?

I have 2 Data Frames, one named USERS and another named EXCLUDE. Both of them have a field named "email". ... EXCLUDE. How can I do it? See Question&Answers more detail:os...

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

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git - What will `* text=auto eol=lf` in gitattributes do?

We have this in our .gitattributes file: * text=auto eol=lf I'd like to precisely understand what this does. ... and leave binary files alone"? See Question&Answers more detail:os...

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

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javascript - Does node.js support the 'let' statement?

Does node.js support a let statement something like what's described on MDN?? var x = 8, y = 12; let ( x = ... to node.js with the 4.x release. See Question&Answers more detail:os...

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

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android - Is there another place to get a google-services.json?

I tried clicking the GET A CONFIGURATION FILE link from the docs, but the resulting page just loads and loads. This ... handle @ jquery.min.js:3 See Question&Answers more detail:os...

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

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Python: list() as default value for dictionary

I have Python code that looks like: if key in dict: dict[key].append(some_value) else: dict[key] = [ ... 'list'". Any recommendations? Thanks! See Question&Answers more detail:os...

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

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Android emulator not rotating to landscape

When i try to switch the orientation of my emulator, the emulator window rotates and the orientation of the ... and nothing seem to help See Question&Answers more detail:os...

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

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r - dplyr - using mutate() like rowmeans()

I can't find the answer anywhere. I would like to calculate new variable of data frame which is based on mean ... you give me some tip? Regards See Question&Answers more detail:os...

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

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How to set different columns for rows in android gridview

I want to have a gridview similar to this Every odd numbered row will have two images of big size and even ... images.How can I achieve this? See Question&Answers more detail:os...

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

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vue.js - How to pass laravel CSRF token value to vue

I have this form where the user should only type text inside a text area: <form action="#" v-on:submit="postStatus" ... do I fix it? Any ideas? See Question&Answers more detail:os...

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

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gcc - Eclipse CDT shows semantic errors, but compilation is ok

I have installed Eclipse Indigo for C/C++ Linux developers on Ubuntu 10.04 x86. When I use common predefined macro ... :) How can I fix this? See Question&Answers more detail:os...

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

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javascript - How to automatic resize tinyMCE?

I have a TinyMCE that is set over a TextArea, and I want this editor area to ocuppy all the space of its ... 's using TinyMCE too. Any ideas? See Question&Answers more detail:os...

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

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What is the purpose for HTML's tbody?

What are the main reasons someone would use HTML's tbody in a table? Is it just for formatting purposes? I use ... haven't used thead and tbody. See Question&Answers more detail:os...

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

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274 views

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ios - Retrieving current local time on iPhone?

I'm looking to get the current hour and minute on a user's iPhone for display in an app that doesn't show the ... there a simple way to do this? See Question&Answers more detail:os...

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

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604 views

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jquery - How can I avoid autorepeated keydown events in JavaScript?

If the user holds down the key, multiple keydown events are fired. For usability reasons I need to use keydown, ... user holds the key down. See Question&Answers more detail:os...

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

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357 views

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Why does my wss:// (WebSockets over SSL/TLS) connection immediately disconnect without giving any errors?

Posting this for anybody else running across the same problem. I was working on a browser client that used stanza. ... of what might be wrong. See Question&Answers more detail:os...

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

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android - How to refresh a GridView?

I have a GridView which is pretty similar to the Google tutorial, except that I want to add the ... .ui.TransparentPanel> </LinearLayout> See Question&Answers more detail:os...

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

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482 views

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.net - Does Console.WriteLine block?

Does Console.WriteLine block until the output has been written or does it return immediately? If it does block ... output to the Console? See Question&Answers more detail:os...

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

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769 views

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reactjs - Is it safe to use ref.current as useEffect's dependency when ref points to a DOM element?

I'm aware that ref is a mutable container so it should not be listed in useEffect's dependencies, however ref ... use ref.current in useEffect. See Question&Answers more detail:os...

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

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527 views

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Django how to pass custom variables to context to use in custom admin template?

I am extending change_list.html and I need to output a variable defined in settings.py. How do I pass ... the custom admin template context? See Question&Answers more detail:os...

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

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