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java - Synchronization on the local variables

Today I was faced with the method constructServiceUrl() of the org.jasig.cas.client.util.CommonUtils ... stackoverflow.com/questions/6123024/synchronization-on-the-local-variables...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - How to display image in the center of a div

I have div with ajax-loader gif image <div id="mydiv" style="height: 400px; text-align: center;"> <img src="/ ... .com/questions/7123599/how-to-display-image-in-the-center-of-a-div...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - How to generate n different colors for any natural number n?

(This question already has answers here): question from:https://stackoverflow.com/questions/2328339/how-to-generate-n-different-colors-for-any-natural-number-n...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to access the nativeElement of a Component in Angular4?

I have two components and one with attribute selector. The child component is, import { Component, OnInit, Input, ... /how-to-access-the-nativeelement-of-a-component-in-angular4...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Reading non-standard elements in a SyndicationItem with SyndicationFeed

With .net 3.5, there is a SyndicationFeed that will load in a RSS feed and allow you to run ... /319591/reading-non-standard-elements-in-a-syndicationitem-with-syndicationfeed...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - View not updating after post

I have a controller method CreateOrUpdate, this method is supposed to save the car to the database and then ... ://stackoverflow.com/questions/9645479/view-not-updating-after-post...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to exclude jars generated by maven war plugin?

Because of transitive dependencies, my wars are getting populated by xml-apis, xerces jars. I tried following the ... /1031695/how-to-exclude-jars-generated-by-maven-war-plugin...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why does GCC-Windows depend on cygwin?

I'm not a C++ developer, but I've always been interested in compilers, and I'm interested in tinkering ... /stackoverflow.com/questions/187990/why-does-gcc-windows-depend-on-cygwin...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Change values in JSON file (writing files)

I have a settings.json file present in the Release folder of my application. What I want to do is ... stackoverflow.com/questions/21695185/change-values-in-json-file-writing-files...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - no such file to load -- readline

I am getting the following error: $script/console Loading development environment (Rails 2.2.2) /opt/ruby- ... stackoverflow.com/questions/4385549/no-such-file-to-load-readline...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php ratchet websocket SSL connect?

I have a ratchet chat server file use RatchetServerIoServer; use RatchetWebSocketWsServer; use MyAppChatChat; require ... .com/questions/16979793/php-ratchet-websocket-ssl-connect...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Set std::vector<int> to a range

What's the best way for setting an std::vector<int> to a range, e.g. all numbers between 3 and 16 ... from:https://stackoverflow.com/questions/11965732/set-stdvectorint-to-a-range...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Using spread operator to update an object value

I have a function which adds a key to incoming object, but I have been told to use spread operator for ... .com/questions/49491393/using-spread-operator-to-update-an-object-value...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - View not updating after post

I have a controller method CreateOrUpdate, this method is supposed to save the car to the database and then ... ://stackoverflow.com/questions/9645479/view-not-updating-after-post...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to verify element present or visible in selenium 2 (Selenium WebDriver)

Any one can send me sample code how to verify element ispresent isvisible isenable textpresent in Selenium WebDrvier ... element-present-or-visible-in-selenium-2-selenium-webdriver...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - UITableView/UITableViewCell tap event response?

I've been googling around to try to figure out what sort of event handles are called when ... /stackoverflow.com/questions/1889200/uitableview-uitableviewcell-tap-event-response...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What does an underscore "_" mean in CSS?

I just found the following snippet in a CSS file: position: fixed; _position: absolute; What does this underline ... .com/questions/18106356/what-does-an-underscore-mean-in-css...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Heroku postgresql database name

This is the command I have to find the name of a heroku database: $ heroku config | grep ... :https://stackoverflow.com/questions/14141803/heroku-postgresql-database-name...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to Add "Write a Review" / "Rate Us" Feature to My App?

I wish to add some sort of a "Write a Review" or "Rate Us" feature to my app so my customers can easily rate and ... /6736189/how-to-add-write-a-review-rate-us-feature-to-my-app...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Performance of StringTokenizer class vs. String.split method in Java

In my software I need to split string into words. I currently have more than 19,000,000 documents with ... /performance-of-stringtokenizer-class-vs-string-split-method-in-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Use jQuery to change a second select list based on the first select list option

I have two selects: <select name="select1" id="select1"> <option value="1">Fruit</option> <option value="2"> ... -change-a-second-select-list-based-on-the-first-select-list-option...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How do you create a wiggle animation similar to iphone deletion animation

We are currently developing an application that contains a series of icons. We want the icons to wiggle like ... you-create-a-wiggle-animation-similar-to-iphone-deletion-animation...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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unix - How do I mount a filesystem using Python?

I'm sure this is a easy question, my Google-fu is obviously failing me. How do I mount a filesystem using ... .com/questions/1667257/how-do-i-mount-a-filesystem-using-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Ruby Detect method

Select makes sense. But can someone explain .detect to me? I don't understand these data. >> [1,2, ... question from:https://stackoverflow.com/questions/2986852/ruby-detect-method...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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apache - Http Request Life Cycle

I have recently started my job as web application backend developer. I am bit stuck in understanding lifecycle ... ://stackoverflow.com/questions/4814514/http-request-life-cycle...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Pip freeze for only project requirements

When I run pip freeze > requirements.txt it seems to include all installed packages. This appears to ... .com/questions/32390291/pip-freeze-for-only-project-requirements...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Cross-platform sockets

I know, Windows doesn't use UNIX sockets while Mac OS does. Until this point my software was cross- ... from:https://stackoverflow.com/questions/28027937/cross-platform-sockets...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - SSL for PostgreSQL connection nodejs

I am trying to connect to my Heroku PostgreSQL DB and I keep getting an SSL error. Does anyone have ... ://stackoverflow.com/questions/22301722/ssl-for-postgresql-connection-nodejs...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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