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private final static attribute vs private final attribute
...eems totally irrelevant. In case of memory critical devices, a decent C or C++ compiler would inline those integer values always, eliminating the need for freeing up memory completely.
– Martijn Courteaux
Jul 3 '17 at 21:51
...
How do I print the full value of a long string in gdb?
... printf "[%d] = %s\n", strlen($arg0), $arg0
end
Caveats:
The first is c++ lib dependent as it accesses members of std::string, but is easily adjusted.
The second can only be used on a running program as it calls strlen.
...
Changing image sizes proportionally using CSS?
...mg src="something2.png" />
</div>
CSS:
.container {
width: 200px;
height: 120px;
}
/* resize images */
.container img {
width: 100%;
height: auto;
}
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...弄错以免烧坏硬件）一般来说，需要接线的端口有以下4个，无论哪款蓝牙硬件，也无论哪种其他硬件，这4个端口都是基本的存在：VCC（正极）、GND（接地负极）、TX、RX 交叉接线，参考接线如图：2、串口工具测试接线完成后，...
android ellipsize multiline textview
...的逻辑找空格是不合适的 // 这里改成直接替换最后的字符 workingText = workingText.substring(0, workingText.length() - 1 - 1); }
– chengbo
Oct 31 '11 at 5:37
...
Inline SVG in CSS
...ge:
url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><linearGradient id='gradient'><stop offset='10%' stop-color='%23F00'/><stop offset='90%' stop-color='%23fcc'/> </linearGradient><rect fill='url(%23gradient)' x='0...
How to download image using requests
...et(settings.STATICMAP_URL.format(**data), stream=True)
if r.status_code == 200:
with open(path, 'wb') as f:
r.raw.decode_content = True
shutil.copyfileobj(r.raw, f)
To iterate over the response use a loop; iterating like this ensures that data is decompressed by this st...
How can I write text on a HTML5 canvas element?
...);
#my-canvas {
background: #FF0;
}
<canvas id="my-canvas" width="200" height="120"></canvas>
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android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi
...
Format : 9-Patch PNG (recommended)
Dimensions
- LDPI:
- Portrait: 200x320px
- Landscape: 320x200px
- MDPI:
- Portrait: 320x480px
- Landscape: 480x320px
- HDPI:
- Portrait: 480x800px
- Landscape: 800x480px
- XHDPI:
- Portrait: 720px1280px
- Landscape: 1280x720p...
Swift how to sort array of custom objects by property value
...e(fileName: "Boat", fileID: 100),
ImageFile(fileName: "Plane", fileID: 200)
]
let sortedImages = images.sorted()
print(sortedImages)
/*
prints: [ImageFile with ID: 100, ImageFile with ID: 200, ImageFile with ID: 300]
*/
#2. Sort with descending order for comparable objects
If the elemen...