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javascript - How to calculate the number of days between two dates?

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

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python - Find all occurrences of a key in nested dictionaries and lists

I have a dictionary like this: { "id" : "abcde", "key1" : "blah", "key2" : "blah blah", "nestedlist" : [ ... , "fghi", "asdf", "yuiop"] Order is not important. Question&Answers:os...

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

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160 views

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android - Difference between getDefaultSharedPreferences and getSharedPreferences

What is the difference between getDefaultSharedPreferences and getSharedPreferences in Android? Can anyone please explain? Question&Answers:os...

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

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ajax - jQuery send string as POST parameters

I want to send a string as an ajax Post parameter. The following code: $.ajax({ type: "POST", url: "http://nakolesah. ... 'wow'+msg); } }); Is not working. Why? Question&Answers:os...

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

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c++ - iterate vector, remove certain items as I go

I have a std::vector m_vPaths; I will iterate this vector and call ::DeleteFile(strPath) as I go. If I ... my class): std::vector<std::string> m_vPaths; Question&Answers:os...

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

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math - How to check intersection between 2 rotated rectangles?

Can someone explain how to check if one rotated rectangle intersect other rectangle? Question&Answers:os...

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

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How do I create a step in my SQL Server Agent Job which will run my SSIS package?

I'm trying to create an automated job for the SQL Server Agent to run. The job is supposed to run my SSIS ... syntax for running an SSIS package in a job? Question&Answers:os...

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

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javascript - jQuery attr vs prop?

Now this isn't just another What's the difference question, I have done some tests(http://jsfiddle.net/ZC3Lf/) ... '+element.attr(property)+'<hr />'); Question&Answers:os...

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

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c++ - Compiling multithread code with g++

I have the easiest code ever: #include <iostream> #include <thread> void worker() { std::cout << " ... libclang-common-dev install linux-libc-dev:amd64 install Question&Answers:os...

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

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select - How to get records randomly from the oracle database?

I need to select rows randomly from an Oracle DB. Ex: Assume a table with 100 rows, how I can randomly return 20 of those records from the entire 100 rows. Question&Answers:os...

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

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Why is it considered bad practice to use cursors in SQL Server?

I knew of some performance reasons back in the SQL 7 days, but do the same issues still exist in SQL Server 2005? ... cursors still a bad choice? If so, why? Question&Answers:os...

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

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html - How do I make a PHP form that submits to self?

How do I make a self-posting/self-submitting form, i.e. a form that submits the results to itself, instead of submitting to another form? Question&Answers:os...

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

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java - Spring autowiring using @Configurable

I'm playing with the idea of using Spring @Configurable and @Autowire to inject DAOs into domain objects so that they ... Any idea what I'm doing wrong? Martin Question&Answers:os...

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

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java - Run exe which is packaged inside jar file

I am executing an exe through my java program. The path is hardcoded in Java. I have packaged my the exe in the ... and able to run it as a stand alone program? Question&Answers:os...

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

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asp.net mvc - Why should I use view models?

I'm new to developing web apps using ASP.NET MVC. In fact, I'm rather new to developing web apps, regardless ... on why I should use view models at all. Question&Answers:os...

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

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762 views

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rust - How do I convert a Vector of bytes (u8) to a string?

I am trying to write simple TCP/IP client in Rust and I need to print out the buffer I got from the server. How do I convert a Vec<u8> (or a &[u8]) to a String? Question&Answers:os...

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

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swift - Detecting sheet was dismissed on iOS 13

Before iOS 13, presented view controllers used to cover the entire screen. And, when dismissed, the parent view ... rather than using some sort of delegate? Question&Answers:os...

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

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397 views

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sql - How to use (install) dblink in PostgreSQL?

I am used to Oracle and to create a dblink in my schema and then access to a remote database like this: ... Postgres is running on the remote server. Any idea? Question&Answers:os...

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

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javascript - How to detect when a page exits fullscreen?

I'm creating a 3D multiplayer game with Three.js, where players can join various existing games. Once "play" ... ", and on Firefox it's "mozfullscreenchange". Question&Answers:os...

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

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Android file chooser

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

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332 views

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Detect Antivirus on Windows using C#

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

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100 views

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How can I force Powershell to return an array when a call only returns one object?

I'm using Powershell to set up IIS bindings on a web server, and having a problem with the following code: ... "thing" is an object rather than a collection? Question&Answers:os...

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

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656 views

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.net - Escape invalid XML characters in C#

I have a string that contains invalid XML characters. How can I escape (or remove) invalid XML characters before I parse the string? Question&Answers:os...

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

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269 views

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Windows command to convert Unix line endings?

Is there a Windows command to convert line endings of a file? We have a test.bat which we need to run ... everytime we sync with Perforce? Thanks in advance. Question&Answers:os...

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

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android - Programmatically change the value of a color resource obtained from API response

Let's say, on my API call I have a parameter that's called color. Is it possible to edit ... btn.setBackgroundColor(res.getColor(R.color.your_special_color)); Question&Answers:os...

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

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When is it ok to use a global variable in C?

Apparently there's a lot of variety in opinions out there, ranging from, "Never! Always encapsulate (even if it ... comment or edit someone else's answer. -Adam Question&Answers:os...

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

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214 views

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How to draw in JPanel? (Swing/graphics Java)

I'm working on a project in which I am trying to make a paint program. So far I've used Netbeans to create a ... is jPanel2 which is what I want to draw on. Question&Answers:os...

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

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java - Reference is ambiguous with generics

I'm having quite a tricky case here with generics and method overloading. Check out this example class: public class ... id=469014 (a new issue in Eclipse Mars) Question&Answers:os...

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

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