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Firebase Storage How to store and Retrieve images [closed]
...mmend that you use this for storing images, instead of storing them as base64 encoded data in the JSON database.
You certainly can! Depending on how big your images are, you have a couple options:
1. For smaller images (under 10mb)
We have an example project that does that here: https://github.c...
What is the maximum possible length of a .NET string?
...1,073,741,823, but you're not likely to ever be able to allocate that on a 32-bit machine.
This is one of those situations where "If you have to ask, you're probably doing something wrong."
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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
...the /usr/bin/platforms dir created. Solved with: sudo ln -sf /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/ /usr/bin/
– gipsh
Mar 13 '17 at 17:31
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Frame Buster Buster … buster code needed
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excellent, supporting this in the browser .exe is the way to go without a doubt. When you say "most browsers", which ones specifically? I can't find good sources for anything but IE8.
– Jeff Atwood
Mar 29 '10 at 21:50
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Creating a favicon [closed]
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Eduardo RussoEduardo Russo
3,52322 gold badges1717 silver badges3030 bronze badges
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App Launcher 应用启动器扩展：用于启动其他应用程序的强大工具，支持独立...
...App Inventor允许使用ActivityStarter组件启动其他活动。不幸的是，启动已安装的应用程序非常麻烦。根据说明，必须下载要启动的应用程序的.apk并找到包名。这两者都不容易也不总是可能的。
这个扩展简化了启动应用程序的过程。...
How to check if a file exists from inside a batch file [duplicate]
...file name here> <action>
for example, this opens notepad on autoexec.bat, if the file exists:
if exist c:\autoexec.bat notepad c:\autoexec.bat
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Saving a Numpy array as an image
... chunk_head +
struct.pack("!I", 0xFFFFFFFF & zlib.crc32(chunk_head)))
return b''.join([
b'\x89PNG\r\n\x1a\n',
png_pack(b'IHDR', struct.pack("!2I5B", width, height, 8, 6, 0, 0, 0)),
png_pack(b'IDAT', zlib.compress(raw_data, 9)),
png_pack(b'IE...
How do I find which rpm package supplies a file I'm looking for?
...d that yum would install the mod_files.sh file with the php-devel x86_64 5.1.6-23.2.el5_3 package, but the file appears to not to be installed on my filesystem.
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How to JSON serialize sets?
...isappeared
updated the call to the parents' default with super()
using base64 to serialize the bytes type into str (because it seems that bytes in python 3 can't be converted to JSON)
from decimal import Decimal
from base64 import b64encode, b64decode
from json import dumps, loads, JSONEncoder
imp...