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Integer to hex string in C++
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Use <iomanip>'s std::hex. If you print, just send it to std::cout, if not, then use std::stringstream
std::stringstream stream;
stream << std::hex << your_int;
std::string result( stream.str() );
You can prepend the first << with &...
How to retrieve the first word of the output of a command in bash?
I have a command, for example: echo "word1 word2" . I want to put a pipe ( | ) and get word1 from the command.
12 Answers
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ADB Install Fails With INSTALL_FAILED_TEST_ONLY
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Looks like you need to modify your AndroidManifest.xml
Change android:testOnly="true" to android:testOnly="false" or remove this attribute.
If you want to keep the attribute android:testOnly as true you can use pm install command with -t option, but y...
How to uninstall Jenkins?
This is probably very simple, but I can't find any hint anywhere. So how one is supposed to do that, in general and specifically on Mac?
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How to solve PHP error 'Notice: Array to string conversion in…'
I have a PHP file that tries to echo a $_POST and I get an error, here is the code:
5 Answers
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ImageUtil 扩展：图像工具扩展，提供图像处理和变换功能 · App Inventor 2 中文网
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函数
ApplyGrayscaleAndFade 应用灰度并淡化(组件)
对图像应用灰度效果并淡化图像。
组件：组件类型，目标图像组件
ApplyWatermark 应用水印(组件,水印文本)
在给定图像上应...
`date` command on OS X doesn't have ISO 8601 `-I` option?
In a Bash script, I want to print the current datetime in ISO 8601 format (preferably UTC), and it seems that this should be as simple as date -I :
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Putting a simple if-then-else statement on one line [duplicate]
I'm just getting into Python and I really like the terseness of the syntax. However, is there an easier way of writing an if - then - else statement so it fits on one line?
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Pythonic way to print list items
I would like to know if there is a better way to print all objects in a Python list than this :
11 Answers
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How would Git handle a SHA-1 collision on a blob?
... you have a git repository, make a commit, and get very very unlucky: one of the blobs ends up having the same SHA-1 as another that is already in your repository. Question is, how would Git handle this? Simply fail? Find a way to link the two blobs and check which one is needed according to the con...