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android - Unable to execute dex: method ID not in [0, 0xffff]: 65536

I have seen various versions of the dex erros before, but this one is new. clean/restart etc won't help. ... info/2014/12/too-many-methods-in-main-dex.html Question&Answers:os...

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

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html - How to center a flex container but left-align flex items

I want the flex items to be centered but when we have a second line, to have 5 (from image below) under 1 and not centered in ... > <li>5</li> <li>6</li> </ul> Question&Answers:os...

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

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php - AJAX request callback using jQuery

I am new to the use of jQuery for handling AJAX, and have written a basic script to get the basics down. ... elegant way to do this. Thanks for any suggestions! Question&Answers:os...

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

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c# - How to match hyphens with Regular Expression?

How to rewrite the [a-zA-Z0-9!$* ] pattern to match hyphen along with the existing characters ? Question&Answers:os...

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

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295 views

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html - Center and bottom-align flex items

I have a flex container (the blue square) with the following properties: display: flex; justify-content: ... I resort to creating another parent element? Question&Answers:os...

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

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373 views

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git - Cannot push to GitHub - keeps saying need merge

I'm new to GitHub. Today I met some issue when I was trying to push my code to GitHub. Pushing to [email protected] ... yet, so why do I need to pull something? Question&Answers:os...

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

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Query-string encoding of a Javascript Object

Do you know a fast and simple way to encode a Javascript Object into a string that I can pass via a GET ... , no other frameworks - just plain Javascript :) Question&Answers:os...

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

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c# - Automating the InvokeRequired code pattern

I have become painfully aware of just how often one needs to write the following code pattern in event-driven GUI ... So, has anyone figured out any shortcuts? Question&Answers:os...

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

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c++ - Most vexing parse

I got the code from here. class Timer { public: Timer(); }; class TimeKeeper { public: TimeKeeper( ... spot ambiguity on time_keeper(Timer() ) construction. Question&Answers:os...

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

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rest - Best practices for API versioning?

Closed. This question is opinion-based. It is not currently accepting answers. Question&Answers:os...

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

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python - How to add hovering annotations in matplotlib

I am using matplotlib to make scatter plots. Each point on the scatter plot is associated with a named object. ... cursor hovers in the vicinity of that point? Question&Answers:os...

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

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python - How can I check if a string represents an int, without using try/except?

Is there any way to tell whether a string represents an integer (e.g., '3', '-17' but not '3.14' or 'asfasfas') ... ('3.14') == False is_int('-7') == True Question&Answers:os...

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

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197 views

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Best approach to remove time part of datetime in SQL Server

Which method provides the best performance when removing the time portion from a datetime field in SQL Server? a) ... the time portion of a datetime in SQL? Question&Answers:os...

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

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Printing with sed or awk a line following a matching pattern

Question: I'd like to print a single line directly following a line that contains a matching pattern. My version of sed ... but I am not sure how to do it. Question&Answers:os...

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

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javascript - How to use arrow functions (public class fields) as class methods?

I'm new to using ES6 classes with React, previously I've been binding my methods to the current object (show ... the class instance, and not the window object. Question&Answers:os...

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

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148 views

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jquery - Ajax tutorial for post and get

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Question&Answers:os...

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

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351 views

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Adding new column to existing DataFrame in Python pandas

I have the following indexed DataFrame with named columns and rows not- continuous numbers: a b c d 2 0.671399 0. ... can I add column e to the above example? Question&Answers:os...

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

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334 views

1 answer

android - How do disable paging by swiping with finger in ViewPager but still be able to swipe programmatically?

I have ViewPager and below it I have 10 buttons. By clicking on button, for example #4, the pager goes ... , how I can disable the swiping with finger? Question&Answers:os...

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

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208 views

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python - What is the best way to implement nested dictionaries?

I have a data structure which essentially amounts to a nested dictionary. Let's say it looks like this: {' ... still needs to have setdefault() manually set. Question&Answers:os...

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

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291 views

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javascript - How to pass arguments to addEventListener listener function?

The situation is somewhat like- var someVar = some_other_function(); someObj.addEventListener("click", function(){ ... probably being treated as a new variable. Question&Answers:os...

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

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c++ - Why would we call cin.clear() and cin.ignore() after reading input?

Google Code University's C++ tutorial used to have this code: // Description: Illustrate the use of cin to ... ()? Why are the 10000 and parameters necessary? Question&Answers:os...

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

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166 views

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javascript - onclick="" vs event handler

If I want a function to be executed, I prefer doing inline js: <p id="element" onclick="doSomething() ... doSomething; Why is the js event listener recommended? Question&Answers:os...

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

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692 views

1 answer

hex - How to convert decimal to hexadecimal in JavaScript

How do you convert decimal values to their hexadecimal equivalent in JavaScript? Question&Answers:os...

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

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284 views

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c++ - What is the difference between new/delete and malloc/free?

What is the difference between new/delete and malloc/free? Related (duplicate?): In what cases do I use malloc vs new? Question&Answers:os...

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

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860 views

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operators - What does ||= (or-equals) mean in Ruby?

What does the following code mean in Ruby? ||= Does it have any meaning or reason for the syntax? 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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What's the u prefix in a Python string?

I recently saw the u prefix used for Python strings. Like in: u'Hello' My guess is that it indicates "Unicode", ... ? If so, since when has it been available? Question&Answers:os...

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

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483 views

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bash - How to use double or single brackets, parentheses, curly braces

I am confused by the usage of brackets, parentheses, curly braces in Bash, as well as the difference between ... or single forms. Is there a clear explanation? Question&Answers:os...

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

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357 views

1 answer

AngularJS : Prevent error $digest already in progress when calling $scope.$apply()

I'm finding that I need to update my page to my scope manually more and more since building an application in ... achieve the same thing but in a different way? Question&Answers:os...

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

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