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Hiding user input on terminal in Linux script
... answered Nov 30 '10 at 17:46
Andreas WongAndreas Wong
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【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...
学习图表相关组件的入门教程，原文系翻译官方英文文章，侵删。文章内容质量较高，不过排版较乱（手机版排版不好，请使用PC浏览器查看），凑合着看吧~
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How to iterate over arguments in a Bash script
I have a complex command that I'd like to make a shell/bash script of. I can write it in terms of $1 easily:
8 Answers
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Curly braces in string in PHP
...write the
expression the same way as it would appear outside the string, and
then wrap it in { and }. Since { can not be escaped, this syntax
will only be recognised when the $ immediately follows the {. Use
{\$ to get a literal {$. Some examples to make it clear:
<?php
// Show all error...
Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...grated a solution that is currently targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5
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Mongodb Explain for Aggregation framework
...t, $geonear at the beginning of a pipeline) as well as subsequent $lookup and $graphLookup stages. Once data has been fetched into the aggregation pipeline for processing (e.g. passing through stages like $project, $unwind, and $group) further manipulation will be in-memory (possibly using temporar...
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
... will work with no trouble. So you definitely want to go with one database and multiple schemas within that database.
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What are the differences between poll and select?
I am referring to the POSIX standard select and poll system C API calls.
3 Answers
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What do pty and tty mean?
I noticed there are many mentions of pty and tty in some opensource projects, could someone can tell me what do they mean and what is the difference between them? Thanks!
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No Multiline Lambda in Python: Why not?
...r syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that I know the language pretty well, this surprised me.
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