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html - jQuery split long ul list in smaller lists

I have a long UL list I need to break up in smaller lists containing about 20 items each. I was thinking I ... to use jQuery in a way that uses minimal CPU? Question&Answers:os...

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

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rust - Is it possible to use `impl Trait` as a function's return type in a trait definition?

Is it at all possible to define functions inside of traits as having impl Trait return types? I want to create a ... of impl Trait or am I using it wrong? Question&Answers:os...

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

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c++ - Undefined symbols "vtable for ..." and "typeinfo for..."?

Nearly the final step but still some strange erros.... bash-3.2$ make g++ -Wall -c -g Myworld.cc g++ - ... ] Error 1 What's the meaning of vtable and typeinfo? Question&Answers:os...

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

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python - WindowsError: [Error 126] The specified module could not be found

I am loading a dll in python using following code: if os.path.exists(dll_path): my_dll = ctypes.cdll.LoadLibrary( ... 't understand why I'm getting the error. Question&Answers:os...

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

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java - How is this private variable accessible?

How is the compiler not complaining when I write the following code? public class MyClass { private int count; ... variable directly. The code even runs fine. Question&Answers:os...

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

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php - Send cookie with file_get_contents

The example on PHP manual shows how you can use stream contexts to send a cookie. Here is the excerpt: // Create ... Cookie: user=3345 " . "Cookie: pass=abcd " Question&Answers:os...

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

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ios - Type 'Any' Has no Subscript Members in xcode 8 Swift 3

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

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sql - How to count items in comma separated list MySQL

So my question is pretty simple: I have a column in SQL which is a comma separated list (ie cats,dogs,cows,) I ... listCount should return 4...). That is all. Question&Answers:os...

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

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JQuery datepicker language

I'm using the jQuery datepicker from jqueryui.com and I have a problem changing the calendar to Swedish, I ... as an English calendar. What might be missing? Question&Answers:os...

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

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python - String formatting: Columns in line

I am trying to format the string so everything lines up between the two. APPLES $.99 214 kiwi $1.09 755 ... 30 spaces from where the previous item ended. Thanks Question&Answers:os...

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

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floating point - Precision error with floats in Java

I'm wondering what the best way to fix precision errors is in Java. As you can see in the following example ... I'll try the other solutions such as BigDecimal Question&Answers:os...

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

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python - How does Keras calculate the accuracy?

If there's a binary classification problem, the labels are 0 and 1. I know the prediction is a floating- ... y=test_Label) >>> scores[1] 0.74909090952439739 Question&Answers:os...

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

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C#: Passing null to overloaded method - which method is called?

Say I have two overloaded versions of a C# method: void Method( TypeA a ) { } void Method( TypeB b ) { ... I do to ensure that a particular overload is called? Question&Answers:os...

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

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regex - How to replace last occurrence of characters in a string using javascript

I'm having a problem finding out how to replace the last ', ' in a string with ' and ': Having this string: ... ).lastIndex, ' and '); but it's not working Question&Answers:os...

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

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Is Delphi "with" keyword a bad practice?

I been reading bad things about the with keyword in delphi but, in my opinion, if you don't over use it ... with keyword. Should I avoid using the with keyword? Question&Answers:os...

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

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c# - Deep copy of List<T>

I'm trying to make a deep copy of a generic list, and am wondering if there is any other way then creating ... direction on how to approach this? Thanks a lot. Question&Answers:os...

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

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c# - External json vulnerable because of Json.Net TypeNameHandling auto?

I'm operating a small website where users can upload custom "objects" defined in JSON. Recently I've learned ... no according field in MyObject can be found. Question&Answers:os...

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

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python - Using print() (the function version) in Python2.x

I understand the difference between a statement and an expression, and I understand that Python3 turned print() ... statement or an expression in Python2.x? Question&Answers:os...

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

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javascript - What's wrong with var x = new Array();

In JSLint, it warns that var x = new Array(); (That's not a real variable name) should be var result ... 1st syntax? What's the reasoning behind the suggestion? Question&Answers:os...

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

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What is this strange function definition syntax in C?

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

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c++ - std::fstream doesn't create file

I am trying to use std::fstream for io to file, and I want to create the file if it doesn't already exist. ... ." How can I create the file in this case? Question&Answers:os...

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

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python - matplotlib (mplot3d) - how to increase the size of an axis (stretch) in a 3D Plot?

I have this so far: x,y,z = data.nonzero() fig = plt.figure() ax = fig.add_subplot(111, projection='3d') ... .)) But that just stretches out the plot.png image. Question&Answers:os...

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

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Prevent JavaScript keydown event from being handled multiple times while held down

I have this code: else if (e.keyCode == 32){ fired = true; In a keyDown function (I have added the document. ... = true; once, even if the key is held down. Question&Answers:os...

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

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java - JavaBean wrapping with JavaFX Properties

I want to use JavaFX properties for UI binding, but I don't want them in my model classes (see Using javafx.beans ... doesn't seem to work. What am I missing? Question&Answers:os...

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

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java - What does BigInteger having no limit mean?

I looked into this stackoverflow question relating to Big Integer and specifically I do not understand this line (the ... memory ? Whats is the trick here ? Question&Answers:os...

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

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c++ - How to explain undefined behavior to know-it-all newbies?

There'a a handful of situations that the C++ standard attributes as undefined behavior. For example if I allocate ... motivate them to just not write such code? Question&Answers:os...

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

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html - IF IE conditionals not working

I have been driving myself nuts trying to get comment conditionals to work and I'm not having any luck can someone ... wrong with my code from what I've found. Question&Answers:os...

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

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c# - Writing Recursive CTE using Entity Framework Fluent syntax or Inline syntax

I am new to this recursion in both SQL and Entity Framework (ADO.NET Entity Mapping). I am working on a ... recursion in Linq that is great Thanks in advance Question&Answers:os...

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

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