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Read values into a shell variable from a pipe
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Use
IFS= read var << EOF
$(foo)
EOF
You can trick read into accepting from a pipe like this:
echo "hello world" | { read test; echo test=$test; }
or even write a function like this:
read_from_pipe() { read "$@" <&a...
ImageConvertor 扩展：免费图像转换器，支持JPG/PNG/WEBP格式转换和图像处...
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
IntelliJ IDEA: Move line?
I really like IntelliJ IDEA's "Move statement" shortcut ( Ctrl + Shift + ↑ / ↓ ). However -- I am not sure if this is a bug releated to ActionScript editing only -- move statement is not always what I want and sometimes it is not correct when editing AS code.
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How to make a smooth image rotation in Android?
...ion XML:
android:interpolator="@anim/linear_interpolator"
Special Note: If your rotate animation is inside a set, setting the interpolator does not seem to work. Making the rotate the top element fixes it. (this will save your time.)
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How do I prevent Eclipse from hanging on startup?
...I perform any action it goes into an infinite loop. I could have spent my life and could not figure out the problem. Thanks mate.
– Ali
Oct 10 '12 at 5:05
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What is size_t in C?
...it stops itself at FILE streams. Virtual memory management is completely different from file systems and file management as far as size requirements go, so mentioning off_t is irrelevant here.
– jw013
Jun 10 '13 at 19:57
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Difference between const & const volatile
If we declare a variable as volatile every time the fresh value is updated
If we declare a variable as const then the value of that variable will not be changed
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How to delete a localStorage item when the browser window/tab is closed?
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If it works, you can technically use it. But considering removeItem is provided as a member function, it seems logical to use it rather than running into potentially undefined behavior using a separate operator.
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How to view file history in Git?
...log to view the commit history. Each commit has an associated revision specifier that is a hash key (e.g. 14b8d0982044b0c49f7a855e396206ee65c0e787 and b410ad4619d296f9d37f0db3d0ff5b9066838b39). To view the difference between two different commits, use git diff with the first few characters of the re...
Is it feasible to do (serious) web development in Lisp? [closed]
...Scheme or Common Lisp). But is it practical to use it for web development? If so, what should be a good starting point? Where can be found the proper resources (tools, libraries, documentation, best practices, examples, etc.) for a project of this nature?
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