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android - Activity class does not exist (Error type 3)

I have a device nexus5x with android O and i develop an app in my laptop and also in another computer. But when ... but it doesn't work for me. See Question&Answers more detail:os...

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

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swing - Java Dynamically Loading a class

I am attempting to load classes dynamically into a component. I am using a file chooser to select the .JAR ... the URL into the URLClassLoader See Question&Answers more detail:os...

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

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php - Is htmlspecialchars enough to prevent an SQL injection on a variable enclosed in single quotes?

Although many sources quote the htmlspecialchars function with ENT_QUOTES to be not enough to prevent SQL ... around mysql_real_escape_string()? See Question&Answers more detail:os...

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

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javascript - Why we Inject our dependencies two times in angularjs?

I'm new in angular, want to know why and when we should inject all our needed dependencies two times. Example : ... ,globalService){ }]); Why ? See Question&Answers more detail:os...

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

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asp.net core - How to correctly get dependent scoped services from ISecurityTokenValidator

In my asp.net core 2.0 web app, I've got a custom ISecurityTokenValidator which validates tokens. It depends on a ... to make it work here... 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 - adding an annotation to a JAXB binding class from a schema

Hi stackoverflow world, I want to specify in a XSD that a specific element can be used as a XmlRootElement by JAXB. ... how do that? Thanks! NJ See Question&Answers more detail:os...

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

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sorting - How do I sort an array of structs by multiple values?

I already have code to sort by 1 value as shown below, but I'm wondering how to sort using multiple values? ... (sorted[index].someString)") } 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 - Change word color in resource string

Is there anyway to set the color of a string resource in android? I mean, I know I can use some ... string resource editor. Any possibility? See Question&Answers more detail:os...

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

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javascript - Why is it necessary to use bind when working with ES6 and ReactJS?

Using ES5 development with ReactJS, a component can be stated as the following: var MyComponent = React. ... internal mechanisms of React? See Question&Answers more detail:os...

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

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google api - How can I convert image binary from API call to data URI in Javascript?

The Google API I'm using is transmitting images only as binary data. I have absolutly no idea how to put this ... uri??? Thanks for any 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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iphone - UIDatePicker show only month and day

I'd like to have a UIDatePicker where the user can pick a month and a day but not the year. I'm aware ... don't exist in the selected month)? See Question&Answers more detail:os...

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

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javascript - Can not established Websocket secure connection on Firefox

I am stucked with Firefox. I could not make Websocket work on it. I use Tornado Websocket and I initialized ... Any help will be appreciated. See Question&Answers more detail:os...

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

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javascript - jqPlot DateAxis tickInterval not working

I'm trying to draw a chart with a single datapoint each month. I'm sending this through to jqPlot as a single ... better ideas I'll do this! 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 - Set.pop() isn't random?

From the python docs, "set.pop() remove and return an arbitrary element from s". While generating some random data ... that it will be "random". See Question&Answers more detail:os...

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

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.net - How do you databind to a System.Windows.Forms.Treeview control?

I'm looking at this control, and it seems to be lacking the standard .net "datasource" and "datamember" ... a 3rd party treeview control? See Question&Answers more detail:os...

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

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html - Css styles not applied properly,if use DOCTYPE

1)Css styles not applied properly to my HTML page,if i add particular version on html like HTML5,HTML4.1 strict,etc ... or HTML 4.01 with XHTML? See Question&Answers more detail:os...

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

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ios - Multiline Navigationbar Title

I am trying to set the title label in my navigation bar to allow multiple lines. I have custom navigation ... label from using multiple lines? See Question&Answers more detail:os...

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

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intellij idea - JavaFX source code not showing

I downloaded the JavaFx source code from http://hg.openjdk.java.net/openjfx/2.2/master/rt/summary. The name ... t find anything in the manual. See Question&Answers more detail:os...

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

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571 views

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Using prepared statements with mysql in python

I am trying to use SQL with prepared statements in Python. Python doesn't have its own mechanism for this so I try ... line 1 What's going on? 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# - Async exception handling with void

I'm using Async CTP to write an IO heavy console app. But I'm having problems with exceptions. public static ... my program exists. What gives? See Question&Answers more detail:os...

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

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500 views

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r - Identify duplicates and mark first occurrence and all others

I'm trying to identify all rows which are represented twice or more in a matrix. For example: m <- matrix(c(1,2, ... 3 times in m's column 1. 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 - Color matplotlib bar chart based on value

Is there a way to color the bars of a barchart based on the bar's value. For example: - values below - ... as per the original question. 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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363 views

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python - Combine Pandas data frame column values into new column

I'm working with Pandas and I have a data frame where we can have one of three values populated: ID_1 ID_2 ID_3 abc ... = # ID_1 + ID_2 + ID_3 See Question&Answers more detail:os...

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

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php - Token was deauthenticated after trying to refresh it

I updated my Symfony environment form 3.3 to 4.0. After the update I have problems with the login (user provided by database ... $this->firstName; } /** * Set lastName * * @param...

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

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java - Disable items in JList

I'm using a JList as part of a wizard to display all the steps to be performed (it also allows ... overriding every selection-related method? See Question&Answers more detail:os...

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

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winscp net - PowerShell: Unable to find type when using PS 5 classes

I'm using classes in PS with WinSCP PowerShell Assembly. In one of the methods I'm using various types ... before running anything, it seems. See Question&Answers more detail:os...

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

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375 views

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AngularJS Upgrade (1.5 to 1.6,1.7) Makes directive scope bindings undefined

I have the following code: angular .module('myApp') .directive('layout', function () { return { restrict: ... the directive in my controller? See Question&Answers more detail:os...

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

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468 views

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html - How to stack divs from top to bottom in CSS

I have a list that goes like this: <div class="item">1</div> <div class="item">2</div> <div class="item ... 2 5 3 Hope someone can help, 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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