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android - Implementing SearchView in action bar

I need to create SearchView from my arrayList<String> and show the suggestions in the drop-down list same this ... result in a different Activity but not work. Question&Answers:os...

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

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261 views

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c++ - Are inline virtual functions really a non-sense?

I got this question when I received a code review comment saying virtual functions need not be inline. I thought ... ; pTemp->myVirtualFunction(); return 0; } Question&Answers:os...

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

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616 views

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.net - AutoMapper: "Ignore the rest"?

Is there a way to tell AutoMapper to ignore all of the properties except the ones which are mapped explicitly? I ... trying to map them into my own objects. Question&Answers:os...

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

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javascript - Angular 2+ and debounce

In AngularJS I was able to debounce a model by using ng-model options. ng-model-options="{ debounce: 1000 }" ... a built in function, is there one in Angular? Question&Answers:os...

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

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algorithm - Converting a Uniform Distribution to a Normal Distribution

How can I convert a uniform distribution (as most random number generators produce, e.g. between 0.0 and 1. ... a mean and standard deviation of my choosing? Question&Answers:os...

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

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Check overlap of date ranges in MySQL

This table is used to store sessions (events): CREATE TABLE session ( id int(11) NOT NULL AUTO_INCREMENT , ... there a better way to get that? fiddle Question&Answers:os...

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

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python - Concatenating two lists - difference between '+=' and extend()

I've seen there are actually two (maybe more) ways to concatenate lists in Python: One way is to use the ... couldn't find anything anything about this topic). Question&Answers:os...

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

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regex - What is a regular expression which will match a valid domain name without a subdomain?

I need to validate a domain name: google.com stackoverflow.com So a domain in its rawest form - not even a ... #1 Thanks very much, believe me I did try! Question&Answers:os...

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

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Sorting HTML table with JavaScript

I'm after a table sorting solution (in JavaScript) but I can't seem to find a suitable one yet. I just ... anyone know of a really simple solution like this? Question&Answers:os...

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

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events - Javascript callback when IFRAME is finished loading?

I need to execute a callback when an IFRAME has finished loading. I have no control over the content in the ... loaded, so the callback has no data returned. Question&Answers:os...

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

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910 views

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reactjs - How to use `setState` callback on react hooks

React hooks introduces useState for setting component state. But how can I use hooks to replace the callback like ... which can be used with useState hook. Question&Answers:os...

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

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input - What is EOF in the C programming language?

How do you get to see the last print? In other words what to put in for EOF? I checked the definitions and it says EOF is ... ); } printf("%d - at EOF ", c); } Question&Answers:os...

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

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282 views

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windows - Python simulate keydown

After searching for several hours i′m wondering if its possible to simulate a keydown press on the keyboard. For example ... P.S. i'm using python for windows Question&Answers:os...

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

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java - How to map calculated properties with JPA and Hibernate

My Java bean has a childCount property. This property is not mapped to a database column. Instead, it ... documentation. Any help greatly appreciated. Thanks. Question&Answers:os...

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

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c# - How to have an auto incrementing version number (Visual Studio)?

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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version control - Insert a commit before the root commit in Git?

I've asked before about how to squash the first two commits in a git repository. While the solutions are ... the first one, and shifting everyone else forward? Question&Answers:os...

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

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302 views

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python - Pandas read_csv low_memory and dtype options

When calling df = pd.read_csv('somefile.csv') I get: /Users/josh/anaconda/envs/py27/lib/python2.7/site- ... why would making it False help with this problem? Question&Answers:os...

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

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355 views

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c - makefile:4: *** missing separator. Stop

This is my makefile: all:ll ll:ll.c gcc -c -Wall -Werror -02 c.c ll.c -o ll $@ $< clean : m -fr ll ... :4: *** missing separator. Stop. How can I fix it? Question&Answers:os...

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

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271 views

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java - Set ImageView width and height programmatically?

How can I set an ImageView's width and height programmatically? Question&Answers:os...

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

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java - Spring Boot - How to log all requests and responses with exceptions in single place?

I'm working on rest api with spring boot. I need to log all requests with input params (with methods, eg. ... error requests in single place (and single log). Question&Answers:os...

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

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URL to load resources from the classpath in Java

In Java, you can load all kinds of resources using the same API but with different URL protocols: file:/ ... resource already, by just updating a property file. Question&Answers:os...

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

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99 views

1 answer

python - Syntax behind sorted(key=lambda: ...)

I don't quite understand the syntax behind the sorted() argument: key=lambda variable: variable[0] Isn't lambda ... stated twice in what looks like a dict? Question&Answers:os...

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

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578 views

1 answer

python - Max retries exceeded with URL in requests

I'm trying to get the content of App Store > Business: import requests from lxml import html page = requests.get(" ... : [Errno -2] Name or service not known) 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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python - What's the scope of a variable initialized in an if statement?

I'm new to Python, so this is probably a simple scoping question. The following code in a Python file ( ... in a module global/available to the entire module? Question&Answers:os...

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

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232 views

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audio - How do I make JavaScript beep?

I want my web page to beep whenever a user exceeds the maximum character limit of my <textarea>. 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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html - How do you get centered content using Twitter Bootstrap?

I'm trying to follow a very basic example. Using the starter page and the grid system, I was hoping the following: <div ... <p>Example text.</p> </div> </div> Question&Answers:os...

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

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402 views

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ios - Getting and Setting Cursor Position of UITextField and UITextView in Swift

I've been experimenting with UITextField and how to work with it's cursor position. I've found a ... of my experimentation and translation from Objective-C. Question&Answers:os...

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

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118 views

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c# - How to truncate milliseconds off of a .NET DateTime

I'm trying to compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some ... found an elegant way to do it (C#). Question&Answers:os...

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

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