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javascript - jQuery: Return data after ajax call success

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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parsing - Is there an alternative for flex/bison that is usable on 8-bit embedded systems?

I'm writing a small interpreter for a simple BASIC like language as an exercise on an AVR microcontroller in C using the ... have to do it all by hand, or not? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - What exactly are iterator, iterable, and iteration?

What is the most basic definition of "iterable", "iterator" and "iteration" in Python? I have read multiple ... me with the 3 definitions in layman terms? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Detect changes in the DOM

I want to execute a function when some div or input are added to the html. Is this possible? For example, ... is added, then the function should be called. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Correct way to write line to file?

I'm used to doing print >>f, "hi there" However, it seems that print >> is getting deprecated. What is the ... ? IE, should I be doing " " on Windows? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Add legend to ggplot2 line plot

I have a question about legends in ggplot2. I managed to plot three lines in the same graph and want to add a legend with the ... ,24,13.3,17.32,-99.9,8.4,3.49 Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I modify a pointer that has been passed into a function in C?

So, I have some code, kind of like the following, to add a struct to a list of structs: void barPush( ... it, or is there some other dark incantation required? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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http - How do I send a POST request with PHP?

Actually I want to read the contents that come after the search query, when it is done. The problem is that ... POST method and then read the contents via PHP? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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build.gradle - All com.android.support libraries must use the exact same version specification

After updating to android studio 2.3 I got this error message. I know it's just a hint as the app run normally ... 'com.github.jd-alexander:library:1.1.0' } Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Using python's eval() vs. ast.literal_eval()

I have a situation with some code where eval() came up as a possible solution. Now I have never had to ... ast module's .literal_eval() the only safe option? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Best way to strip punctuation from a string

It seems like there should be a simpler way than: import string s = "string. With. Punctuation?" # Sample string ... ("",""), string.punctuation) Is there? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to check if a String is numeric in Java

How would you check if a String was a number before parsing it? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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SQL JOIN and different types of JOINs

What is a SQL JOIN and what are different types? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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security - How can prepared statements protect from SQL injection attacks?

How do prepared statements help us prevent SQL injection attacks? Wikipedia says: Prepared statements are resilient ... an easy English and some examples? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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xcode - How to initialize properties that depend on each other

I want a picture to move to the bottom. If I press a button the pic should move down by 1. I added the picture ... , 30, 40) self.view.addSubview(panzer); } } Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - Extract filename and extension in Bash

I want to get the filename (without extension) and the extension separately. The best solution I found so far is: ... for this, if possible. Any better ideas? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ssl - How do you sign a Certificate Signing Request with your Certification Authority?

During my search, I found several ways of signing a SSL Certificate Signing Request: Using the x509 module: ... other (for example, one being deprecated)? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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git - Checkout another branch when there are uncommitted changes on the current branch

Most of the time when I try to checkout another existing branch, Git doesn't allow me if I have some uncommitted ... That is, is it helpful in some situations? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Implementing INotifyPropertyChanged - does a better way exist?

Microsoft should have implemented something snappy for INotifyPropertyChanged, like in the automatic properties, just ... code to raise PropertyChanged event? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - ECMAScript 6 arrow function that returns an object

When returning an object from an arrow function, it seems that it is necessary to use an extra set of {} and a ... :' . Is there something obvious I am missing? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Redirect stdout to a file in Python?

How do I redirect stdout to an arbitrary file in Python? When a long-running Python script (e.g, web application) ... time yet to test on a web application yet. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Upload files with HTTPWebrequest (multipart/form-data)

Is there any class, library or some piece of code which will help me to upload files with HTTPWebrequest? ... I'm looking for a solution with HTTPWebrequest. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Lambda in a loop

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why is it frowned upon to use a null layout in Swing?

Recently, I started creating a program for the company I work for. Just as background info, I'm still a ... don't really match any of the predefined layouts? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jsf - What can <f:metadata>, <f:viewParam> and <f:viewAction> be used for?

Can anyone clarify how we can use in general, or a in real world example, this snippet? <f:metadata> <f:viewParam id ... action="#{bean.init}" /> </f:metadata> Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - MySQL select 10 random rows from 600K rows fast

How can I best write a query that selects 10 rows randomly from a total of 600k? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Absolute vs relative URLs

I would like to know the differences between these two types of URLs: relative URLs (for pictures, CSS files, JS ... In addition, which one is better to use? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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language agnostic - Learning to write a compiler

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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