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c++ - Consistent pseudo-random numbers across platforms

I am looking for a way to generate pseudo random number sequences that will yield identical sequence results for ... about this assumption). See Question&Answers more detail:os...

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winapi - How can I tell if a window has focus? (Win32 API)

Using the Win32 API (in C, but that's inconsequential), how can I tell if a given window (identified ... uses DirectX in this window. See Question&Answers more detail:os...

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java - How can I remove HTML comments in my Facelets?

I would like to remove all HTML comments from my facelets before delivering to end users. Does any standard approach exist? See Question&Answers more detail:os...

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android - How to cancel Toast

I developed an android application and I am facing a problem with Toast. Suppose I am displaying a Toast, it is ... how I can cancel the toast. See Question&Answers more detail:os...

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php - Using JavaScript to display Laravel's Variable

In my code I am using typeahead.js. I use Laravel 5 and I need to replace the var states with my {{ $jobs }} ... {{ $jobs }} But that wont work. See Question&Answers more detail:os...

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regex - Why are lookbehind assertions not supported in Javascript?

Recently I realized (by some embarrassment) that regex lookbehind assertions were not possible in Javascript. What is the ( ... me as a bit odd. See Question&Answers more detail:os...

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python setuptools install_requires is ignored when overriding cmdclass

I have a setup.py that looks like this: from setuptools import setup from subprocess import call from setuptools. ... this is happening. Thanks! See Question&Answers more detail:os...

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android - Shared preferences between two processes of the same application

I'm writing an Android app that contains both UI and separate processes running. I want to share simple ... mean. Thanks for your help See Question&Answers more detail:os...

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css - How do I add a class to an @Html.ActionLink?

I have two @Html.ActionLink's that I want to make look like buttons. I'm able to make this happen with CSS ... to apply the style to the Class. See Question&Answers more detail:os...

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sliding - jQuery .slideRight effect

I need for a div tag to slide out on the right side of the screen, how do I get this effect with jQuery? I've ... to be what I'm looking for... See Question&Answers more detail:os...

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swift - why do i get "Must translate autoresizing mask into constraints to have _setHostsLayoutEngine:YES" in xcode 6 beta

I have the following code in a swift UITableViewController, but i get a "Must translate autoresizing mask into ... am i doing wrong? See Question&Answers more detail:os...

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php - Rationale behind SimpleXMLElement's handling of text values in addChild and addAttribute

Isn't that an inconsistent behavior? (PHP 5.2.6) <?php $a = new SimpleXMLElement('<a/>'); $a-> ... s the best API design decision possible? See Question&Answers more detail:os...

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.net - Reconfigure NLog LoggingConfiguration filters programmatically

This is my first time using the NLog package for logging but so far its been great to work with. In my ... taking the right approach with this. See Question&Answers more detail:os...

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java - Is there a way to check if two Collections contain the same elements, independent of order?

I've been looking for a method that operates like Arrays.equals(a1, a2), but ignoring the element ... standard Collections libraries have it. See Question&Answers more detail:os...

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security - Is it OK to return a HTTP 401 for a non existent resource instead of 404 to prevent information disclosure?

Inspired by a thought while looking at the question "Correct HTTP status code when resource is available but not ... the server return a 200? See Question&Answers more detail:os...

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javascript - Programmatically change Redux-Form Field value

When I use redux-form v7, I find there is no way to set the field value. Now in my form, I have two select ... {_onChange} onBlur={null} /> ) } See Question&Answers more detail:os...

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asp.net mvc - CS0234: Mvc does not exist in the System.Web namespace

I converted a ASP.net 4 webform project to Asp.net MVC4 according to Chapter 13 of the Professional ASP ... .0Web.config Line: 111 See Question&Answers more detail:os...

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synchronized - Why are synchronize expensive in Java?

I am really new to Java and I read that synchronized is "very expensive" in Java. All I want to know is ... and how is it expensive? Thanks. See Question&Answers more detail:os...

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mysql sort string number

I have a column of type varchar that stores many different numbers. Say for example there are 3 rows: 17.95, ... that field as numbers in mysql See Question&Answers more detail:os...

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removing a kafka consumer group in zookeeper

I'm using kafka_2.9.2-0.8.1.1 with zookeeper 3.4.6. Is there a utility that can ... /#basic_ops_consumer_lag See below for more discussion See Question&Answers more detail:os...

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linux - Grep inside all files created within date range

I am on the Ubuntu OS. I want to grep a word (say XYZ) inside all log files which are created within date range ... may-2012. How do I do that? See Question&Answers more detail:os...

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javascript - Vue components communication

I have two Vue components: Vue.component('A', {}); Vue.component('B', {}); How can I access ... the communication work between the components? See Question&Answers more detail:os...

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java - Nested lists with streams in Java8

I have a list of objects A. Each object A in this list contains list of object B and the object B contains list of ... c1= c; break; } } } } See Question&Answers more detail:os...

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android - CamcorderProfile.QUALITY_HIGH resolution produces green flickering video

I haven't found any explanation for this so far. Basically I have a video recording class which works splendidly ... in advance for any replies. See Question&Answers more detail:os...

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math - How do you calculate the axis-aligned bounding box of an ellipse?

If the major axis of the ellipse is vertical or horizontal, it's easy to calculate the bounding box, but what ... the bounding box won't work. See Question&Answers more detail:os...

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c# - XAML Conditional Compilation

Is there an easy way to use the same conditional compilation symbol that I'm using for my c# code, in my xaml files? See Question&Answers more detail:os...

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c++ - Why doesn't an if constexpr make this core constant expression error disappear?

In reference to this question. The core constant expression that is used to initialize the constexpr variable y is ill-formed ... / Head 6.0.0). See Question&Answers more detail:os...

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r - How can I read the header but also skip lines - read.table()?

Data.txt: Index;Time; 1;2345; 2;1423; 3;5123; The code: dat <- read.table('data.txt', skip = 1, nrows = 2, ... 2 1423 2 3 5123 How do I do that? See Question&Answers more detail:os...

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

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