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java - JPA Query selecting only specific columns without using Criteria Query?

Is it possible to select, say, only properties A and B from an object using a JPA query without using ... . Is this possible without using criteria queries? Question&Answers:os...

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

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webpack - No 'Access-Control-Allow-Origin' header in Angular 2 app

For this project, I'm just learning and practicing Angular 2. I have no server-side and am making API ... , the requestData Error: Error: [object Object] Question&Answers:os...

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

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android - Intent URI to launch Gmail App

Is there any URI which can point to the GMAIL App in android and help me launch it? Question&Answers:os...

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

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r - Addressing x and y in aes by variable number

I need to draw a scatterplot with addressing variables by their column numbers instead of names, i.e. instead of ... envir, enclos) : object 'dat' not found Question&Answers:os...

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

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187 views

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PHP max_input_vars

I'm getting a max_input_vars error message. I understand there's a php.ini setting that can change this starting with ... version of PHP and can't be changed? Question&Answers:os...

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

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operators - What's the difference between ++$i and $i++ in PHP?

What's the difference between ++$i and $i++ in PHP? Question&Answers:os...

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

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c++ - constexpr overloading

Related: Function returning constexpr does not compile I feel like constexpr is limited in usefulness in C++11 ... time had I passed a constexpr argument. Question&Answers:os...

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

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254 views

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Receive and send emails in python

How can I receive and send email in python? A 'mail server' of sorts. I am looking into making an app that ... , would it be best to use 3rd party libraries? Question&Answers:os...

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

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446 views

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sql - Add a summary row with totals

I know this sounds crazy and probably should not be done this way but I need something like this - I have a ... of the table (After). Could this be done? Question&Answers:os...

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

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235 views

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How to create custom editor/display templates in ASP.NET MVC 3?

I would like to make custom editor templates for different data types in ASP.NET MVC (to use with Html.EditorFor( ... can I find out all about these templates? Question&Answers:os...

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

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R shiny: display "loading..." message while function is running

I use Shiny GUI R package. I'm looking for a way to display a message like "loading..." after the ... ()), " items downloaded") when execution ends. Question&Answers:os...

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

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Visual Studio Code - Connect to a remote Git repository and PUSH local files to a new remote repository

I have created a local project with Visual Studio Code that implements a local Git repository. Then I have ... = true ignorecase = true precomposeunicode = true Question&Answers:os...

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

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193 views

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java - Android - How to take screenshot programmatically

I need to screenshots of Android device or emulator programmatically when my application is installed and running ... DDMS programmatically? Can I achieve that? Question&Answers:os...

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

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html - Are empty HTML5 data attributes valid?

I'd like to write a simple jQuery plugin that displays inline modals under specified elements. My idea is for ... only requirement is that it be valid HTML5. Question&Answers:os...

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

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css - Should I use single or double colon notation for pseudo-elements?

Since IE7 and IE8 don't support the double-colon notation for pseudo-elements (e.g. ::after or ::first-letter), ... if I care about IE8 users (the poor dears). Question&Answers:os...

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

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Accessing an Enumeration association value in Swift

In this code I've written a really useless enum that defines a possible Number with Int or Float. I can't ... (integer)") println("float is (float)") Question&Answers:os...

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

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299 views

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javascript - How can you figure out the highest z-index in your document?

In order to set a div containing a transparent text image as the highest z-index in my document, I picked the ... this metric in Firebug but couldn't find it. Question&Answers:os...

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

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942 views

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python - zlib.error: Error -3 while decompressing: incorrect header check

I have a gzip file and I am trying to read it via Python as below: import zlib do = zlib.decompressobj( ... : incorrect header check How can I overcome it? Question&Answers:os...

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

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270 views

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Android sqlite how to check if a record exists

I would like to check whether a record exists or not. Here is what I've tried: MainActivity.class public void ... toast. What am I doing wrong in here? Question&Answers:os...

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

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284 views

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C# Console receive input with pipe

I know how to program Console application with parameters, example : myProgram.exe param1 param2. My question is, how ... example : echo "word" | myProgram.exe? Question&Answers:os...

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

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457 views

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javascript - How do you get the hue of a #xxxxxx colour?

How do you extract the hue component of a color given as #rrggbb? Question&Answers:os...

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

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120 views

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iPhone App Localization - English problems?

I have an app that I am translating to a bunch of different languages. The problem is that the app will have a few ... I can get this to work? Thank you, --d Question&Answers:os...

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

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635 views

1 answer

operators - Overriding "+=" in Python? (__iadd__() method)

Is it possible to override += in Python? Question&Answers:os...

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

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434 views

1 answer

python - How to set the default color cycle for all subplots with matplotlib?

How can I set a default set of colors for plots made with matplotlib? I can set a particular color map ... set of colors for all plots, including subplots? Question&Answers:os...

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

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270 views

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JavaScript loop variable scope

Just a quick question about the scoping of JavaScript variables. Why does the alert() function print the value of i instead ... e. What is 'i'? 10' is printed. Question&Answers:os...

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

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251 views

1 answer

c# - WPF Binding a ListBox to an enum, displaying the Description Attribute

Is it possible to use the ObjectDataProvider method to bind a ListBox to an enum, and style it somehow to display the ... how would one go about doing this...? Question&Answers:os...

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

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401 views

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Run a shell script with an html button

I want to launch a bash script when a button is pressed on a website. This is my first attempt: <button type= ... Me!</button> But no luck. Any suggestions? Question&Answers:os...

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

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351 views

1 answer

python - Get the position of the largest value in a multi-dimensional NumPy array

How can I get get the position (indices) of the largest value in a multi-dimensional NumPy array? Question&Answers:os...

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

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