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html - Why doesn't percentage padding / margin work on flex items in Firefox and Edge?

I want to have a square div inside a flexbox. So I use: .outer { display: flex; width: 100%; background: blue; } .inner ... ="inner"> <a>hehe</a> </div> </div> Question&Answers:os...

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

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248 views

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c# - MVC5 Razor html.dropdownlistfor set selected when value is in array

I'm developing an ASP.NET MVC 5 application, with C# and .NET Framework 4.6.1. I have this View: @model MyProject ... do it. How can I set the selected values? Question&Answers:os...

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

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regex - Backslashes - Regular Expression - Javascript

I wanted to build a JS function concatting a list of arguments to a valid path (since I could not be ... I missed something special? Thanks in advance! Leo Question&Answers:os...

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

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vim - How do I make Git use the editor of my choice for commits?

I would prefer to write my commit messages in Vim, but it is opening them in Emacs. How do I configure Git ... do this globally, not just for a single project. Question&Answers:os...

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

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python - 'pip install' fails for every package ("Could not find a version that satisfies the requirement")

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

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How to find and restore a deleted file in a Git repository

Say I'm in a Git repository. I delete a file and commit that change. I continue working and make some ... copy that file into my original project checkout. Question&Answers:os...

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

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python - How to change the order of DataFrame columns?

I have the following DataFrame (df): import numpy as np import pandas as pd df = pd.DataFrame(np.random. ... leaving the order of the other columns untouched? Question&Answers:os...

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

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regex - Split Java String by New Line

I'm trying to split text in a JTextArea using a regex to split the String by However, this does not work and I also ... (); } split = docStr.split("\n"); } Question&Answers:os...

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

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html - How to make a div fill a remaining horizontal space?

I have 2 divs: one in the left side and one in the right side of my page. The one in the left side has ... ">Text</div> <div id="navigation">Navigation</div> Question&Answers:os...

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

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text formatting - How to output numbers with leading zeros in JavaScript?

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

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What is the concept of erasure in generics in Java?

What is the concept of erasure in generics in Java? Question&Answers:os...

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

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Java Process with Input/Output Stream

I have the following code example below. Whereby you can enter a command to the bash shell i.e. echo test and have ... System.out.println ("Stdout: " + line); } Question&Answers:os...

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

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265 views

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objective c - NSMutableArray addObject not working

I have declared an NSMutableArray *categories in my view controller .h file, and declared a property for it. In the ... obvious and I can't figure out what. Question&Answers:os...

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

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javascript - Create a Date with a set timezone without using a string representation

I have a web page with three dropdowns for day, month and year. If I use the JavaScript Date constructor that takes ... :00 GMT+01:00 which is what I wanted. Question&Answers:os...

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

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datetime - How to parse/format dates with LocalDateTime? (Java 8)

Java 8 added a new java.time API for working with dates and times (JSR 310). I have date and time as string ... to a string with the same format as shown above? Question&Answers:os...

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

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93 views

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javascript - Set the value of an input field

How would you set the default value of a form <input> text field in JavaScript? Question&Answers:os...

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

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163 views

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.net - Uninstalling an MSI file from the command line without using msiexec

msiexec is command prompt software that installs an MSI program. But I have found that you can install an ... command line without using the msiexec routine? Question&Answers:os...

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

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240 views

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java - IntelliJ can't recognize JavaFX 11 with OpenJDK 11

I'm having trouble getting IntellJ to recognize JavaFX packages. With a new JavaFX project, with OpenJDK 11, when ... ). Anyone have any ideas? Edit: Error: Question&Answers:os...

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

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scope - Surprised that global variable has undefined value in JavaScript

Today, I got completely surprised when I saw that a global variable has undefined value in a certain case. Example: var ... //B console.log(value); } test(); Question&Answers:os...

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

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python - Can't modify list elements in a loop

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

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185 views

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javascript - What's the difference between event.stopPropagation and event.preventDefault?

They seem to be doing the same thing... Is one modern and one old? Or are they supported by different browsers? When ... , but they're all sort of the same =)) Question&Answers:os...

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

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Delimiters in MySQL

I often see people are using Delimiters. I tried myself to find out what are delimiters and what is their ... are delimiters and when should I use them? Question&Answers:os...

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

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621 views

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namespaces - What does "var FOO = FOO || {}" (assign a variable or an empty object to that variable) mean in Javascript?

Looking at an online source code I came across this at the top of several source files. var FOO = FOO || {}; FOO ... I see this at the top of a source file? Question&Answers:os...

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

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217 views

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android - How to update RecyclerView Adapter Data

I am trying to figure out what is the issue with updating RecyclerView's Adapter. After I get a new ... LinearLayout and made FrameLayout as the parent layout. Question&Answers:os...

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

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74 views

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android - How to retrieve the dimensions of a view?

I have a view made up of TableLayout, TableRow and TextView. I want it to look like a grid. I need to get the height ... 0, Why? } //eof method } //eof class Question&Answers:os...

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

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71 views

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How do you post to an iframe?

How do you post data to an iframe? Question&Answers:os...

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

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535 views

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date - Get week of year in JavaScript like in PHP

How do I get the current weeknumber of the year, like PHP's date('W')? It should be the ISO-8601 week number of year, weeks starting on Monday. Question&Answers:os...

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

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153 views

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Getting JavaScript object key list

I have a JavaScript object like var obj = { key1: 'value1', key2: 'value2', key3: 'value3', key4: 'value4' ... get the length and list of keys in this object? Question&Answers:os...

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

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