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java - Convert hexadecimal string (hex) to a binary string

I found the following way hex to binary conversion: String binAddr = Integer.toBinaryString(Integer.parseInt(hexAddr, ... for any assistance. See Question&Answers more detail:os...

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

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jquery - Accessing cross-domain style sheet with .cssRules

I get this error in Firebug when I try to access some CSS files hosted on external domains: Security error" code ... files on the same domain? See Question&Answers more detail:os...

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

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Get filename of file which ran PHP include

When using the PHP include, how can I find out which file is calling the include? In short, what is the parent's file filename? See Question&Answers more detail:os...

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

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Java volatile array?

How do I make an array volatile? Because as I've come to understand, it's unsafe to make an array volatile? See Question&Answers more detail:os...

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

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android - Difference between addValueEventListener() and addListenerForSingleValueEvent() of firebase

As the title says, I want to know the difference between addValueEventListener() and addListenerForSingleValueEvent() of Firebase. See Question&Answers more detail:os...

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

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c# - AdaptiveTrigger and DataTemplate

Will AdaptiveTrigger work in a DataTemplate? That's my code i'm using to customize my ShellNavigation, it is working ... Height="90"> </Grid> See Question&Answers more detail:os...

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

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Duplicate submodules with Git

I have a project in Git that has several submodules, and I need those submodules to be downloaded and the ... in advance for any suggestions! See Question&Answers more detail:os...

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

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c# - TaskCreationOptions.LongRunning option and ThreadPool

TPL uses Task Schedulers to coordinate tasks. According to official document, default task scheduler uses Thread Pool, ... is true or false? See Question&Answers more detail:os...

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

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How to embed images in a single HTML / PHP file?

I am creating a lightweight, single-file database administration tool and I would like to bundle some small icons with ... but I could be wrong. See Question&Answers more detail:os...

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

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Change width and colour of scroll bar in UITableView, iphone

I could only find if one wants to display scroll bar or not using tableView.showsVerticalScrollIndicator = YES/NO; ... testView.frame = frame; See Question&Answers more detail:os...

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

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scala - Apache Spark, add an "CASE WHEN ... ELSE ..." calculated column to an existing DataFrame

I'm trying to add an "CASE WHEN ... ELSE ..." calculated column to an existing DataFrame, using Scala ... How should I implement this logic? See Question&Answers more detail:os...

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

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calendar - Get Weeks In Month Through Javascript

In Javascript, how do I get the number of weeks in a month? I can't seem to find code for this anywhere. I ... 30 31 Thanks for all the help. See Question&Answers more detail:os...

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

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python - Scrapy crawl from script always blocks script execution after scraping

I am following this guide http://doc.scrapy.org/en/0.16/topics/practices.html#run-scrapy-from-a-script to ... could I release thread execution? See Question&Answers more detail:os...

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

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c - on iOS/iPhone: "Too many open files": need to list open files (like lsof)

We've discovered our complex iPhone app (ObjC, C++, JavaScript/WebKit) is leaking file descriptors under ... something lsof-esque. Thanks. See Question&Answers more detail:os...

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

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GDI+ / C#: How to save an image as EMF?

If you use Image.Save Method to save an image to a EMF/WMF, you get an exception (http://msdn.microsoft ... ? Are there any encoders available? See Question&Answers more detail:os...

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

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Uploadify: show error message from HTTP response

If the server returns an error (HTTP response code != 200) when uploading a file with Uploadify, the ... error messages back to Uploadify? See Question&Answers more detail:os...

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

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572 views

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c# - EF 6 - How to correctly perform parallel queries

When creating a report I have to execute 3 queries that involve separated entities of the same context. Because they ... .Result, r3.Result); } See Question&Answers more detail:os...

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

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persistence - Are there any Java VMs which can save their state to a file and then reload that state?

Are there any Java VMs which can save their state to a file and then reload that state? If so, which ones? See Question&Answers more detail:os...

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

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java - How to collate multiple jrxml jasper reports into a one single pdf output file

I have to prepare reports using five different sql queries. Each query will give out one report table. So ... /jasperReport> Thanks for reading! See Question&Answers more detail:os...

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

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Binary search algorithm in python

I am trying to implement the binary search in python and have written it as follows. However, I can't ... needle_element) else: raise "Error" See Question&Answers more detail:os...

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

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groovy - How can I use the Jenkins Copy Artifacts Plugin from within the pipelines (jenkinsfile)?

I am trying to find an example of using the Jenkins Copy Artifacts Plugin from within Jenkins pipelines (workflows). ... code that is using it? See Question&Answers more detail:os...

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

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519 views

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concatenation - What do curly braces mean in Verilog?

I am having a hard time understanding the following syntax in Verilog: input [15:0] a; // 16-bit input output [ ... curly braces and 16{a[15]}? See Question&Answers more detail:os...

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

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python - How to invert a permutation array in numpy

Given a self-indexing (not sure if this is the correct term) numpy array, for example: a = np.array([3 ... but haven't found anything relevant. See Question&Answers more detail:os...

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

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303 views

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javascript - Group by multiple values Underscore.JS but keep the keys and values

I'm trying to group the following array with objects: [ { user_id: 301, alert_id: 199, deal_id: 32243 }, { ... is it creates its own keys. See Question&Answers more detail:os...

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

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383 views

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javascript - Get data attribute of script tag?

Say I've got the following script tag: <script async data-id="p3PkBtuA" src="//example.com/embed.js">< ... use some sort of javascript library. See Question&Answers more detail:os...

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

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520 views

1 answer

c++ - <unresolved overloaded function type>

In my class called Mat, I want to have a function which takes another function as a parameter. Right now I have ... work } Why does this happen? See Question&Answers more detail: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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jQuery AJAX and JSON format

I have a webservice that expects to receive JSON, like so: {"first_name":"test","last_name":"teste","email":" ... JSON or did I miss something? See Question&Answers more detail:os...

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

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c# - Getting list of currently active managed threads in .NET?

For a "log information for support" type of function I'd like to enumerate and dump active thread information. I'm ... CPU time to begin with.) See Question&Answers more detail:os...

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

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