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How can I start an interactive console for Perl?
... well, and it's under active development.
BTW, I have no idea why someone modded down the person who mentioned using "perl -e" from the console. This isn't really a REPL, true, but it's fantastically useful, and I use it all the time.
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What is the best way to determine the number of days in a month with JavaScript?
...ber of day's for a given month and year.
It uses the short-circuit bitmask-modulo leapYear algorithm (slightly modified for js) and common mod-8 month algorithm.
Note that in AD/BC notation, year 0 AD/BC does not exist: instead year 1 BC is the leap-year!
IF you need to account for BC notation then...
Can the Unix list command 'ls' output numerical chmod permissions?
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I think there is an calculation issue. After chmod 777 dir your command prints permissions as 767
– Julian F. Weinert
Apr 24 '14 at 10:55
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`find -name` pattern that matches multiple patterns
...ou don't need the escaped parenthesis unless you are doing some additional mods. Here from the man page they are saying if the pattern matches, print it. Perhaps they are trying to control printing. In this case the -print acts as a conditional and becomes an "AND'd" conditional. It will prevent...
How to have git log show filenames like svn log -v
SVN's log has a "-v" mode that outputs filenames of files changed in each commit, like so:
11 Answers
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MaterialDialog 对话框增强扩展 · App Inventor 2 中文网
...：对话框的唯一标识符。
url：WebView 中要加载的网页地址。
cancelable：是否允许点击外部区域关闭对话框。
animationType：对话框动画类型（整数）。
userAgent：自定义 UserAgent 字符串（可为空）。
when 按钮_...
Use CSS to automatically add 'required field' asterisk to form inputs
... commonly used, absolute positioning is not responsive (unless you have JS modding the DOM on resize) while the same effects can always be achieved using static or relative position, which can be responsive in design. Readers, please avoid using styles such as absolute positioning on things such as ...
How to tell Eclipse Workspace?
... Of all the solutions, this seems the least painful one - no modded start up script, no menu checks, etc. Then again it should be simple to write a small plugin to tweak the window title to show the workspace folder name unless it is set in the above mentioned preference. Fortunately, ...
Using Chrome, how to find to which events are bound to an element
... script: developer.chrome.com/devtools/docs/blackboxing @IonuțG.Stan, or mods, can you update the answer with a reference to blackboxing -- seems to be a common question relevant to this answer.
– Chris Hynes
Sep 26 '16 at 15:30
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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
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Bash treats exit codes as 8-bit unsigned, and will mod 256, so a -1 becomes 255 and 256 becomes 0. Signals (in a kill, e.g. kill -15) often result in exit code 128+signal, but (aside from 9) can be handled and return a different exit code. The - in kill -15 is marks the numbe...