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AppInventor2拍照的照片Base64编码报错，选择的图片没有问题 - App应用开发...
完整代码块如下：
这是在真机上测试的：
Pursuer丶:
AI伴侣测试一样的错
应该是文件没读到 fis为空
然后后用用null.compress 报错了
我用FileTool那个插件 现把文件拷贝出来 然后再调用 就可以了。
具体实现步骤...
When should the volatile keyword be used in C#?
... ecx,eax
00401012 add eax,edx
00401014 cmp eax,64h
00401017 jl main+10h (401010h)
}
for (volatile int i = 0 ; i < 100 ; ++i)
00401019 mov dword ptr [esp],0
00401020 mov eax,dword ptr [esp]
00401023 cmp eax,64h
00401026 jge...
jQuery scroll() detect when user stops scrolling
...triggered');
}, 250);
http://yckart.github.com/jquery.unevent.js/
(this demo uses resize instead of scroll, but who cares?!)
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How do I change Bootstrap 3 column order on mobile layout?
...
Updated 2018
For the original question based on Bootstrap 3, the solution was to use push-pull.
In Bootstrap 4 it's now possible to change the order, even when the columns are full-width stacked vertically, thanks to Bootstrap 4 flexbox. OFC, the push pull method...
How to optimize for-comprehensions and loops in Scala?
...ween run times of 2.5s and 0.7s were entirely due to whether the 32-bit or 64-bit JVMs were being used. Scala from the command line uses whatever is set by JAVA_HOME, while Java uses 64-bit if available regardless. IDEs have their own settings. Some measurements here: Scala execution times in Eclips...
How to format numbers as currency string?
...
Thanks! Based on this idea I was able to make one that is short and simple enough! (and localized) Excellent.
– Daniel Magliola
Sep 29 '08 at 15:25
...
Regular expression to match URLs in Java
...EDIT: Code of Patterns from https://github.com/android/platform_frameworks_base/blob/master/core/java/android/util/Patterns.java :
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in co...
Practical usage of setjmp and longjmp in C
...mp supports the implementation of corroutines (as much as I see it doesn't base on any non-standard or new behaviour).
EDIT:
It could be that it actually is undefined behaviour to do a longjmp down the callstack (see comment of MikeMB; though I have not yet had opportunity to verify that).
#includ...
Read binary file as string in Ruby
...
You can probably encode the tar file in Base64. Base 64 will give you a pure ASCII representation of the file that you can store in a plain text file. Then you can retrieve the tar file by decoding the text back.
You do something like:
require 'base64'
file_cont...
Firebase Storage How to store and Retrieve images [closed]
How to store and view images on firebase?
6 Answers
6
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