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ios - How do I stop my fixed navigation from moving like this when the virtual keyboard opens in Mobile Safari?

I understand that mobile safari has a lot of bugs around fixed elements, but for the most part I've managed ... the virtual keyboard is open. 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 - Static image src in Vue.js template

My Vue component contains some images. I want to do lazy-loading later, so I need to set the src of the ... ', assetsSubDirectory: 'static' } } See Question&Answers more detail:os...

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include external jar when running java -jar

From my readings, when you execute a command as follows: java -jar foo.jar Then the main classpath is ignored, ... the jar file being executed? 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 - How to draw a trapezium/trapezoid with css3?

When you go to the page http://m.google.com using Mobile Safari, you will see the beautiful bar on the top ... to achieve it please tell 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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c# - Running async methods in parallel

I've got an async method, GetExpensiveThing(), which performs some expensive I/O work. This is how I am using ... or are tasks a good approach? 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 - javac source and target options

I have seen the compile options like discussed in Which JDK's distributions can run `javac -source 1.6 -target 1.5 ... want to be able to run on See Question&Answers more detail:os...

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comparison - Is it valid to compare a double with an int in java?

Utilities.getDistance(uni, enemyuni) <= uni.getAttackRange() Utilities.getDistance returns double and getAttackRange ... valid? Thanks See Question&Answers more detail:os...

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java - Gson Serialize field only if not null or not empty

I have requirement where I need to convert java object to json. I am using Gson for that but i need ... gson serialization class would be good. See Question&Answers more detail:os...

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c - Using intptr_t instead of void*?

Is it a good idea to use intptr_t as a general-purpose storage (to hold pointers and integer values) ... should I take into consideration? See Question&Answers more detail:os...

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winapi - In Java Swing how do you get a Win32 window handle (hwnd) reference to a window?

In Java 1.4 you could use ((SunToolkit) Toolkit.getDefaultToolkit()).getNativeWindowHandleFromComponent() but that was ... JNI may be related. See Question&Answers more detail:os...

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

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Xcode Source Control showing multiple Working Copies

Xcode is showing multiple working copies: Working Copies myProject - master myProject_olderRepo myProject_originalRepo The ... without errors? See Question&Answers more detail:os...

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android - Turn off device programmatically

I am writing an App that is designed to run on one specific device model (an Android set-top device that runs ... this link error may be key. See Question&Answers more detail:os...

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firefox - Add to browser favorites/bookmarks from JavaScript but for all browsers (mine doesn't work in Chrome)?

Can anyone help, I am using the following for adding a bookmark to IE and Firefox but its not working in Chrome ... { alert('not supported'); } See Question&Answers more detail:os...

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sorting - How does python compare functions?

How come this doesn't rise Attribute error? function object doesn't have any of the comparison methods. Does it ... __lt__, __eq__ etc. ? See Question&Answers more detail:os...

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

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forms - javascript if number greater than number

I have this javascript function to validate if a number is greater than another number function validateForm() { var x ... ); return 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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javascript - Waiting for child window loading to complete

Is there an easy hook for detecting that a window opened by a script has finished loading? Basically, I want ... the child has finished loading? See Question&Answers more detail:os...

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android - Pagination not work for the RecyclerView within NestedScrollView

How to implement pagination of recyclerview that is within NestedScrollView? See Question&Answers more detail:os...

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Upgraded to Android studio 3.4 - Aapt2InternalException: AAPT2: Daemon startup failed

I got Error in new project while build after i upgraded Android studio to 3.4 Caused by: org. ... .call(EventFiringTaskExecuter.java:52) at org.gradle.api.inter...

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

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javascript - Is there some innerHTML replacement in SVG/XML?

In HTML I can build a simple templating system by providing a template in form of a string, replace ... providing a solution is appreciated. See Question&Answers more detail:os...

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Get terminal output after a command swift

I run some commands in terminal with this code: system("the command here") And after I want to know what is the ... any way to do that in swift? See Question&Answers more detail:os...

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Python Run a daemon sub-process & read stdout

I need to run a program and gather its output to stdout. This program (socat) needs to run in the background ... the & even reading from stderr. See Question&Answers more detail:os...

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

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New line in Sql Query

How you get new line or line feed in Sql Query ? See Question&Answers more detail:os...

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soap - In PHP how can you clear a WSDL cache?

In through php_info() where the WSDL cache is held (/tmp), but I don't necessarily know if it is safe to ... if I delete any all WSDL files. 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 do I find an array item with TypeScript? (a modern, easier way)

Is there a canonical way to find an item in an array with TypeScript? ES6+ allows this simple/clean ... . TypeScript roadmap for reference. See Question&Answers more detail:os...

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syntax - What is the purpose of the colon before a block in Python?

What is the purpose of the colon before a block in Python? Example: if n == 0: print "The end" See Question&Answers more detail:os...

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rspec - How do I change the default "www.example.com" domain for testing in rails?

I have a rails application which acts differently depending on what domain it's accessed at (for example www. ... it's pretending to access? 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 do I set a suggested file name using JFileChooser.showSaveDialog(...)?

The JFileChooser seems to be missing a feature: a way to suggest the file name when saving a file (the thing ... Is there a way around 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 - Test case execution order in pytest

I am using pytest. I have two files in a directory. In one of the files there is a long running test case ... the same file in the proper order? See Question&Answers more detail:os...

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

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