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How can I do these image processing tasks using OpenGL ES 2.0 shaders?

How can I perform the following image processing tasks using OpenGL ES 2.0 shaders? Colorspace transform ( RGB ... Converting to an oil painting See Question&Answers more detail:os...

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ios - autolayout - make height of view relative to half superview height

have been getting into autolayouts recently and I'm stuck on what seems like a really trivial problem example. ... missing something obvious?.. See Question&Answers more detail:os...

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

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Sort a single String in Java

Is there a native way to sort a String by its contents in java? E.g. String s = "edcba" -> "abcde" 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 - Eclipse will not start and I haven't changed anything

I haven't updated anything for at least a month. I was just working normally and suddenly the menus were all ... .run(SafeRunner.java:42) at org.eclipse.ui.internal.Workbench$52...

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

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ios - UICollectionView Set number of columns

I just started learning about UICollectionViews. I'm wondering if anyone knows how to specify the number of columns ... find a concise answer. See Question&Answers more detail:os...

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html - Div width 100% minus fixed amount of pixels

How can I achieve the following structure without using tables or JavaScript? The white borders represent edges of divs ... (the middle one). See Question&Answers more detail:os...

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Git - What is the difference between push.default "matching" and "simple"

I have been using git for a while now, but I have never had to set up a new remote repo myself and I ... practice to use or is simple best? See Question&Answers more detail:os...

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How to make EditText not editable through XML in Android?

Can anyone tell me how to make an EditText not editable via XML? I tried setting android:editable to false, but it ... ; and it didn't work. See Question&Answers more detail:os...

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android - app-release-unsigned.apk is not signed

I downloaded the zip file of an Android app on github and I'm trying to run it, but I get a dialog with ... Studio. What am I supposed to do? See Question&Answers more detail:os...

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string - Shell script - remove first and last quote (") from a variable

Below is the snippet of a shell script from a larger script. It removes the quotes from the string that is held by a ... /(.*)./1/'` echo $temp See Question&Answers more detail:os...

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java - Why use Optional.of over Optional.ofNullable?

When using the Java 8 Optional class, there are two ways in which a value can be wrapped in an optional. String ... the safe side at all times? See Question&Answers more detail:os...

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mercurial - Abandoning changes without deleting from history

There is a commit that just didn't work, so I want to abandon it without deleting it from history. I have ... branches, or stuff about merging. See Question&Answers more detail:os...

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security - Should I hash the password before sending it to the server side?

I noticed that most sites send the passwords as plain text over HTTPS to the server. Is there any advantage if ... ? Would it be more secure? See Question&Answers more detail:os...

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Diagnosing Deadlocks in SQL Server 2005

We're seeing some pernicious, but rare, deadlock conditions in the Stack Overflow SQL Server 2005 database. I attached ... , or .. more often? See Question&Answers more detail:os...

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http - Difference between no-cache and must-revalidate

From the RFC 2616 http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.1 no-cache If the no-cache ... to finally mark Gili's answer! See Question&Answers more detail:os...

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How to sort the letters in a string alphabetically in Python

Is there an easy way to sort the letters in a string alphabetically in Python? So for: a = 'ZENOVW' I would like to return: 'ENOVWZ' See Question&Answers more detail:os...

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How to run ssh-add on windows?

I'm following #335 Deploying to a VPS , and near the end of the episode, we need to run ssh-add to give server ... how to use Putty to 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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Can git be integrated with Xcode?

Is there any way to use a git repository with the built in SCM functions of Xcode? See Question&Answers more detail:os...

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

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document - Simple implementation of N-Gram, tf-idf and Cosine similarity in Python

I need to compare documents stored in a DB and come up with a similarity score between 0 and 1. The ... I start writing this from scratch? See Question&Answers more detail:os...

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bash - 'find -exec' a shell function in Linux

Is there a way to get find to execute a function I define in the shell? For example: dosomething () { echo ... find's -exec to see dosomething? See Question&Answers more detail:os...

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Amazon products API - Looking for basic overview and information

After using the ebay API recently, I was expecting it to be as simple to request info from Amazon, but it seems ... code can't look inside them. See Question&Answers more detail:os...

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How to use the new Material Design Icon themes: Outlined, Rounded, Two-Tone and Sharp?

Google has revamped its Material Design Icons with 4 new preset themes: Outlined, Rounded, Two-Tone and Sharp, in ... as SVG or PNG formats? See Question&Answers more detail:os...

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c++ - boost::flat_map and its performance compared to map and unordered_map

It is common knowledge in programming that memory locality improves performance a lot due to cache hits. I recently ... cases for it? Thanks! See Question&Answers more detail:os...

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java - Are non-synchronised static methods thread safe if they don't modify static class variables?

I was wondering if you have a static method that is not synchronised, but does not modify any static variables is ... method at the same time? See Question&Answers more detail:os...

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c# - how to generate a unique token which expires after 24 hours?

I have a WCF Webservice which checks if the user is valid. If the user is valid I want to generate a token which ... } else { return false; } } See Question&Answers more detail:os...

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if statement - Type-juggling and (strict) greater/lesser-than comparisons in PHP

PHP is famous for its type-juggling. I must admit it puzzles me, and I'm having a hard time to find out ... was not really helpful in this case. See Question&Answers more detail:os...

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c++ - How to use WinDbg to analyze the crash dump for VC++ application?

How do I use WinDbg for analyzing a dump file? See Question&Answers more detail:os...

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How can I install Visual Studio Code extensions offline?

I have installed Visual Studio Code on a machine that is not, and cannot be, connected to the Internet. ... extension hosted on the marketplace? See Question&Answers more detail:os...

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

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