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c++ - ampersand (&) at the end of variable etc

I am a C++ noob and i've a problem of understanding c++ syntax in a code. Now I am quite confused ... definitely need the variable name, right? See Question&Answers more detail:os...

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

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MySQL grant all privileges to database except one table

I've been unable to find a reasonable solution to achieve the following: I wish to have a user that has ... latest available on Ubuntu 10.04. See Question&Answers more detail:os...

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

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Where to find info on Android's "service call" shell command?

Using adb shell or a terminal emulator on the device, entering this will clear all notifications (requires su) ... with each of these services? See Question&Answers more detail:os...

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

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c++ - Rotate cv::Mat using cv::warpAffine offsets destination image

I'm trying to rotate a 1296x968 image by 90 degrees using the C++ API of OpenCV and I'm facing a few problems ... (orig_image, 90); return 0; } 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 parse JSON string in Typescript

Is there a way to parse strings as JSON in Typescript. Example: In JS, we can use JSON.parse(). Is there a similar ... ": "Bob", "error": false} See Question&Answers more detail:os...

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

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xcode6 - How to print to console using swift playground?

I have been following the Apple Guide for their new language swift, but I don't understand why the bar on the ... " println("Hello, world"); 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 - Is there a limit on length of the key (string) in JS object?

So we had a case where we would have an object, where key is id (int) and the value is the string. But we ... issues so far, but you never know. See Question&Answers more detail:os...

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

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PowerShell's Invoke-RestMethod equivalent of curl -u (Basic Authentication)

What is the equivalent of curl -u username:password ... in PowerShell's Invoke-RestMethod? I tried this: ... but it returns 401, Unauthorized. 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 - grunt (minimatch/glob) folder exclusion

I have a situation where I'm trying to use grunt to lint a codebase, excluding specific folders. grunt ... excludes are possible in minimatch. See Question&Answers more detail:os...

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

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sql - How to extract group from regular expression in Oracle?

I got this query and want to extract the value between the brackets. select de_desc, regexp_substr(de_desc, '[(.+) ... the query to get 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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847 views

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c# - Difference between the KeyDown Event, KeyPress Event and KeyUp Event in Visual Studio

Can anyone tell me the difference between the KeyDown event, the KeyPress event and the KeyUp event? I ... exact difference between them. See Question&Answers more detail:os...

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

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Typescript 2.0. "types" field in tsconfig.json

I do not understand the meaning of types field in tsconfig.json. In documentation I have read such text: "types" ... , why I need types field See Question&Answers more detail:os...

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

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Does .NET 4 have a built-in JSON serializer/deserializer?

Does .NET 4 come with any class that serializes/deserializes JSON data? I know there are 3rd-party libraries, such ... not for Winforms or WPF. See Question&Answers more detail:os...

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

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objective c - UIScrollView contentSize not working

I put a UIScrollView in my nib's view, and linked it to a an IBOutlet property. Now, when I do this in ... when I turned off AutoLayout. Why? See Question&Answers more detail:os...

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

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Java: Which of multiple resources on classpath JVM takes?

If I have multiple files of the same name on classpath (e.g. I have multiple .jar with log4j.properties), ... rules JVM follows to chose one? See Question&Answers more detail:os...

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

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292 views

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android - How to open the options menu programmatically?

I would like to open the optionsMenu programmatically without a click on the menu key from the user. How would I do that? See Question&Answers more detail:os...

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

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536 views

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Jquery: Checking to see if div contains text, then action

I'm trying to check in jQuery if a div contains some text, and then add a class if it does. So I wrote ... "somediv"></div> Is this incorrect? See Question&Answers more detail:os...

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

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114 views

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Why adding version number to CSS file path?

I noticed some websites put the version numbers (especially) in the CSS file path. For example: <link rel=" ... comment inside the CSS file? See Question&Answers more detail:os...

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

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246 views

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html - Multiple Forms or Multiple Submits in a Page?

I'm creating a page with the products sold in the website. I'd like to include an "add to cart" button ... or am I doing it completely 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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asp.net - How do I fix the "compilerVersion" IIS error?

I'm getting this exception: System.Configuration.ConfigurationErrorsException: The value for the 'compilerVersion' attribute ... resolve 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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281 views

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asp.net mvc - Do I need to install MVC 3/4 on web server to run mvc application

I've a MVC 4 application and runs well on my DEV Machine where I installed MVC 4 extension for VS ... to infrastructure team. 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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314 views

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After building TensorFlow from source, seeing libcudart.so and libcudnn errors

I'm building TensorFlow from source code. The build appears to succeed; however, when my TensorFlow program ... No such file or directory See Question&Answers more detail:os...

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

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665 views

1 answer

php - Rounding to nearest fraction (half, quarter, etc.)

So, I need to create the following functions but my head can't think of any possibility in PHP without ... some simple lines of PHP? See Question&Answers more detail:os...

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

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223 views

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Counting in a FOR loop using Windows Batch script

Can anyone explain this? I am able to count in a loop using the Windows command prompt, using this method: SET /A ... /A COUNT+=1 ECHO %COUNT% ) See Question&Answers more detail: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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python - PyMySQL can't connect to MySQL on localhost

I'm trying to connect to MySQL on localhost using PyMySQL: import pymysql conn = pymysql.connect(db='base', user=' ... no idea how to solve 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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385 views

1 answer

python - Custom ordering in Django

How do you define a specific ordering in Django QuerySets? Specifically, if I have a QuerySet like so: [' ... define my own ordering technique? See Question&Answers more detail:os...

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

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579 views

1 answer

asp.net - C# code to linkify urls in a string

Does anyone have any good c# code (and regular expressions) that will parse a string and "linkify" any urls that may be in the string? See Question&Answers more detail:os...

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

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246 views

1 answer

How to stop execution after a certain time in Java?

In the code, the variable timer would specify the duration after which to end the while loop, 60 sec for example ... //terminate after 60 sec } See Question&Answers more detail:os...

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

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