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Random string generation with upper case letters and digits
...ty of this question, I bet that mistake has been made many times already.
If you're using python3.6 or above, you can use the new secrets module as mentioned in MSeifert's answer:
''.join(secrets.choice(string.ascii_uppercase + string.digits) for _ in range(N))
The module docs also discuss conve...
编程基础与事件状态 07：同一屏幕组织专注、统计和设置 · App Inventor 2 中文网
...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(...
Detect iPad users using jQuery?
Is there a way to detect if the current user is using an iPad using jQuery/JavaScript?
4 Answers
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How to colorize diff on the command line?
... As an update to @Hi-Angel 's comment: colordiff has been updated and now includes side by side (-y) support.
– Bailey Parker
Jul 14 '15 at 19:25
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How to pattern match using regular expression in Scala?
...de looks like:
word(0)
Scala treats Strings as a sequence of Char's, so if for some reason you wanted to explicitly get the first character of the String and match it, you could use something like this:
"Cat"(0).toString.matches("[a-cA-C]")
res10: Boolean = true
I'm not proposing this as the g...
ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
...he -f flag, doesn't seem necessary to bypass the remove file confirmation (if the user has it set in the first place)
– pech0rin
Dec 5 '16 at 21:38
add a comment
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Read file from line 2 or skip header row
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if you need the header later, instead of next(f) use f.readline() and store it as a variable
– damned
Oct 8 '13 at 5:38
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How can Perl's print add a newline by default?
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The real danger comes from the fact that all code will now add newlines, even code in other people's modules that weren't expecting it. Imagine networking code that would have sent the message "helo\r\n" that now sends "helo\r\n\n".
– Chas. Owens
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GraphViz - How to connect subgraphs?
... In case anyone is interested in, this can cause positioning problems if you have labelled links (edges). While the head or the tail of the edge may be hidden beneath a cluster, the label is still positioned at the midpoint, meaning some edge labels appear to be floating over a cluster instead ...
Why is a round-trip conversion via a string not safe for a double?
...s
... you get the same results as with Mono. It would be interesting to know whether the bug shows up under RyuJIT - I don't have that installed at the moment myself. In particular, I can imagine this possibly being a JIT bug, or it's quite possible that there are whole different implementations o...