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sql - Get the latest date from grouped MySQL data

I have the following data in my database: |NO | model | date | +---+-------+----------+ |1 | bee |2011-12- ... ........????? //what is the next? GROUP BY model Question&Answers:os...

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

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Need clarification on Scala literal identifiers (backticks)

Reading the Programming in Scala 2nd Ed and I came across this: literal identifier "The idea is that you can ... s method yield instead? Thank you in advance. Question&Answers:os...

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

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647 views

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path - PHP Fatal Error Failed opening required File

I am getting the following error from Apache [Sat Mar 19 23:10:50 2011] [warn] mod_fcgid: stderr: PHP Fatal ... install php it said it had the latest. Ideas? Question&Answers:os...

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

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javascript - What's the API Key for in Google Maps API V3?

In the older version of the API, I'd have to insert the javascript into the page using something like this for ... which I haven't done and it still works. Question&Answers:os...

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

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Scala foreach strange behaviour

I want to iterate over a list of values using a beautiful one-liner in Scala. For example, this one works well: ... Why is that? Can't compiler infer type here? Question&Answers:os...

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

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569 views

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c# - Log4Net: Programmatically specify multiple loggers (with multiple file appenders)

How to (programmatically, without xml config) configure multiple loggers with Log4Net? I need them to write to different files. Question&Answers:os...

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

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Is it possible to Generate a thumbnail from a video url in android

I am working on a video app. I am streaming a video from server link , is it possible for me to ... video thumbnail from the URL without downloading the video. Question&Answers:os...

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

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python - Scrapy - Reactor not Restartable

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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201 views

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Upload photo to Facebook with Facebook Android SDK in Android

I'm new to Android. I'm searching for load photo to facebook by authorization, getting access_token. How to do this? Please give me a sample code in Java. Question&Answers:os...

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

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javascript - ECMAScript 2015: const in for loops

Which of the two (or neither/ both) code fragments below should be working in a complete ECMAScript 2015 ... standard, so that would be much appreciated. Question&Answers:os...

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

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java - Can the Android SDK work with JDK 1.7?

I just installed the Android SDK R16 and JDK 7, but I keep getting the error Android requires compiler compliance level 5. ... 1.6. How can I fix this problem? Question&Answers:os...

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

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Java conditional compilation: how to prevent code chunks from being compiled?

My project requires Java 1.6 for compilation and running. Now I have a requirement to make it working with ... helpful. Any help is greatly appreciated. kh. Question&Answers:os...

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

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156 views

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How to open or simulate a click on an android Preference, created with XML, programmatically?

I've an android application with preferences declared in XML, loaded with addPreferencesFromResource. The user can open ... no possibility to do this from code. Question&Answers:os...

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

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Java Web Start support in Java 9 and beyond

I'm confused about the status of Java Web Start. On Oracle's Support Roadmap we can read this: Support ... announcement about the deprecation of Java Web Start? Question&Answers:os...

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

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php - How to get the real URL after file_get_contents if redirection happens?

I'm using file_get_contents() to grab content from a site, and amazingly it works even if the URL I pass as argument ... new URL, is there a way to do that? Question&Answers:os...

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

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1 answer

php - Cannot modify header information - headers already sent by... WordPress Issue

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

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1.1k views

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c++ - How to parse a date string into a c++11 std::chrono time_point or similar?

Consider a historic date string of format: Thu Jan 9 12:35:34 2014 I want to parse such a string into some ... an answer should just target the C++11 spec. Question&Answers:os...

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

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356 views

1 answer

python - Stopping a thread after a certain amount of time

I'm looking to terminate some threads after a certain amount of time. These threads will be running an ... #the threads must be terminated after this sleep Question&Answers:os...

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

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166 views

1 answer

Does Java have buffer overflows?

Does Java have buffer overflows? If yes can you give me scenarios? Question&Answers:os...

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

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220 views

1 answer

ios - Playing a sound with AVAudioPlayer

I'm trying to play a sound with AVAudioPlayer but it won't work. Edit 1: Still doesn't work. Edit ... &error) audioPlayer.prepareToPlay() audioPlayer.play() } } Question&Answers:os...

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

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231 views

1 answer

Modifying CSS class property values on the fly with JavaScript / jQuery

I've run into a unique situation that I have so far been unable to find a solution for: dynamically assigning a ... a good job of describing the problem. TIA. Question&Answers:os...

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

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120 views

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c++ - make shared_ptr not use delete

in my code i would like boost::shared_ptr not to call delete but call ptr->deleteMe() instead. Also i ... call lib_freeXYZ(ptr); instead of trying to delete? Question&Answers:os...

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

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98 views

1 answer

Parsing variables from config file in Bash

Having the following content in a file: VARIABLE1="Value1" VARIABLE2="Value2" VARIABLE3="Value3" I need a ... Value2 Content of VARIABLE3 is Value3 Any ideas? Question&Answers:os...

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

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152 views

1 answer

html - How to display image with JavaScript?

I am trying to display image, through JavaScript, but i can't figure out how to do that. I have following ... image1.show_image();. HTML? Or somewhere else... Question&Answers:os...

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

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299 views

1 answer

javascript - How do I load a JSON object from a file with ajax?

I am using JSON to transfer data. What do I need in my HTML page to read a file with Ajax that only ... file with Ajax? Is it different on different browsers? Question&Answers:os...

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

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292 views

1 answer

javascript - How do I find out with jQuery if an element is being animated?

I'm trying to move some elements on the page, and during the time the animation occurs, I want to have "overflow: ... but I can't find it anywhere in the docs Question&Answers:os...

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

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110 views

1 answer

How do I install sqlite3 for Ruby on Windows?

Being really new to Ruby/Rails, and after attempting to resolve the issue myself this weekend I'm making an ... issue: Installing SQLite 3.6 On Windows 7 Question&Answers:os...

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

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578 views

1 answer

c# - One or more types required to compile a dynamic expression cannot be found. Are you missing references to Microsoft.CSharp.dll and System.Core.dll?

I am trying to compile this code in Microsoft Visual C# 2010 using System; using System.Globalization; class main ... where are these so called .config files.. Question&Answers:os...

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

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