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arrays - How is Python's List Implemented?

Is it a linked list, an array? I searched around and only found people guessing. My C knowledge isn't good enough to look at the source code. Question&Answers:os...

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

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183 views

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jQuery multiple events to trigger the same function

Is there a way to have keyup, keypress, blur, and change events call the same function in one line or do I ... , whether it is typed or pasted into the box. Question&Answers:os...

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

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175 views

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javascript - How can I run multiple npm scripts in parallel?

In my package.json I have these two scripts: "scripts": { "start-watch": "nodemon run-babel index.js", " ... grunt because I already use it in another project. Question&Answers:os...

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

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string - What is the difference between , , and ?

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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216 views

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sorting - Why is there no SortedList in Java?

In Java there are the SortedSet and SortedMap interfaces. Both belong to the Java Collections framework and provide a ... idea why it is designed like that? Question&Answers:os...

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

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How is the default max Java heap size determined?

If I omit the -Xmxn option from the Java command line then a default value will be used. ... system configuration settings influence the default value? Question&Answers:os...

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

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sql - Select top 10 records for each category

I want to return top 10 records from each section in one query. Can anyone help with how to do it? Section is one ... 10) local rows, and the top (10) features. Question&Answers:os...

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

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515 views

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onclick - handle textview link click in my android app

I'm currently rendering HTML input in a TextView like so: tv.setText(Html.fromHtml("<a href='test'>test</a>" ... href value of the link as an input parameter" Question&Answers:os...

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

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Get type of a generic parameter in Java with reflection

Is it possible to get the type of a generic parameter? An example: public final class Voodoo { public static void ... { chill(new ArrayList<SpiderMan>()); } } Question&Answers:os...

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

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206 views

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C# DLL config file

Im trying to add an app.config file to my DLL, but all attempts have failed. According to MusicGenesis in ' ... console application, it works fine. Any ideas? Question&Answers:os...

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

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encoding - Microsoft Excel mangles Diacritics in .csv files?

I am programmatically exporting data (using PHP 5.2) into a .csv test file. Example data: Numéro 1 (note ... the import wizard, or non-default wizard settings? Question&Answers:os...

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

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How do I work with dynamic multi-dimensional arrays in C?

Does someone know how I can use dynamically allocated multi-dimensional arrays using C? Is that possible? Question&Answers:os...

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

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209 views

1 answer

c# - How to convert HTML to PDF using iTextSharp

I want to convert the below HTML to PDF using iTextSharp but don't know where to start: <style> .headline{font-size:200%} ... ="color: red;">!!!</span> </p> Question&Answers:os...

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

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236 views

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date - Check time difference in Javascript

How would you check time difference from two text-boxes in Javascript? Question&Answers:os...

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

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252 views

1 answer

javascript - Changing the browser zoom level

I have need to create 2 buttons on my site that would change the browser zoom level (+) (-). I'm ... is this even possible? I've heard conflicting reports. Question&Answers:os...

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

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448 views

1 answer

c++ - Placement of the asterisk in pointer declarations

I've recently decided that I just have to finally learn C/C++, and there is one thing I do not really understand ... int. What about case 6? Same as case 5? Question&Answers:os...

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

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234 views

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Simulating Key Press C#

I want to simulate F5 key press in my C# program. When IE is open, I want to be able refresh my website automatically. How can I do that? Question&Answers:os...

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

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74 views

1 answer

c# - Extension method and dynamic object

I am going to summarize my problem into the following code snippet. List<int> list = new List<int>() { ... but I am getting RuntimeBinderException.Why is it so? Question&Answers:os...

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

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160 views

1 answer

java - System.console() returns null

I was using readLine of BufferedReader to get input/new password from user, but wanted to mask the password so ... "Java Application". Is there any workaround? Question&Answers:os...

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

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Why is reading lines from stdin much slower in C++ than Python?

I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ ... ,285,714 wc (not fair comparison) 54,644,808 Question&Answers:os...

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

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347 views

1 answer

Is there a "theirs" version of "git merge -s ours"?

When merging topic branch "B" into "A" using git merge, I get some conflicts. I know all the conflicts can be ... the tree) is not what I am looking for. Question&Answers:os...

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

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253 views

1 answer

Finding duplicate values in MySQL

I have a table with a varchar column, and I would like to find all the records that have duplicate values in ... best query I can use to find the duplicates? 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

c++ - Easily measure elapsed time

I am trying to use time() to measure various points of my program. What I don't understand is why the values ... 45025, does that mean 4 seconds and 25 msec? Question&Answers:os...

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

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53 views

1 answer

python - How to get the last day of the month?

Is there a way using Python's standard library to easily determine (i.e. one function call) the last ... support that, does the dateutil package support this? Question&Answers:os...

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

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86 views

1 answer

How can I hash a password in Java?

I need to hash passwords for storage in a database. How can I do this in Java? I was hoping to ... to the stored hash password with their account information. Question&Answers:os...

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

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236 views

1 answer

Checking if a double (or float) is NaN in C++

Is there an isnan() function? PS.: I'm in MinGW (if that makes a difference). I had this solved by using ... exist in <cmath>, which I was #includeing at first. Question&Answers:os...

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

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217 views

1 answer

algorithm - Javascript Array.sort implementation?

Which algorithm does the JavaScript Array#sort() function use? I understand that it can take all manner of ... in which algorithm the vanilla sort uses. Question&Answers:os...

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

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193 views

1 answer

python - 'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

What explains the difference in behavior of boolean and bitwise operations on lists vs NumPy arrays? I'm ... they handle lists and NumPy arrays differently? Question&Answers:os...

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

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