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MIT官方已升级至2.71版本，几乎就是仅增加一个全新主题 - App Inventor 2 ...
...d improvements. It includes a new Android MIT AI2 Companion versions 2.71 (from Google Play) and 2.71u (directly downloaded from MIT App Inventor).
Features:
New user interface. Go to Settings > User Interface Settings > Neo to try it out
ChatBot component adds a new block, ConverseWith...
UTF-8: General? Bin? Unicode?
...ers. It can make only one-to-one comparisons between characters.
Quoted from:
http://dev.mysql.com/doc/refman/5.0/en/charset-unicode-sets.html
For more detailed explanation, please read the following post from MySQL forums:
http://forums.mysql.com/read.php?103,187048,188748
As for utf8_bin:
Bot...
CSS @font-face not working with Firefox, but working with Chrome and IE
...family' Arial, Helvetica etc It was showing up fine in every browser apart from Firefox. I added the coma and it worked.
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Using do block vs braces {}
...
I used the Weirich style for years, but just moved away from this to always use braces. I don't remember to ever have used the info from the block style, and the definition is kinda vague. For example:
date = Timecop.freeze(1.year.ago) { format_date(Time.now) }
customer = Timecop...
What is Turing Complete?
...
From wikipedia:
Turing completeness, named after Alan
Turing, is significant in that every
plausible design for a computing
device so far advanced can be emulated
by a universal Turing machine — an
observation...
All falsey values in JavaScript
...all non-empty strings, including strings that are just whitespace
Anything from typeof, which always returns a non-empty string, for example:
typeof null (returns a string 'object' due to a longstanding bug/quirk)
typeof undefined (returns a string 'undefined')
Any object (except that "wilful vi...
Detail change after Git pull
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@Jefromi fatal: ambiguous argument 'firstDesign@': unknown revision or path not in the working tree. I keep getting this error. Although git reflog firstDesign has this output.
– unrealsoul007
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Why is whitespace sometimes needed around metacharacters?
... that you left out the space on purpose so that people copying the command from your tattoo won’t accidentally run it and crash their machine ;)
– poke
Jan 17 '14 at 17:18
4
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What is “Service Include” in a csproj file for?
...project, but forget to tag it as test project, as described in this answer from Microsoft:
This behavior is intentional.
To support third-party test frameworks, like NUnit and XUnit, Visual Studio 2012 loaded Test Explorer on solution open, regardless of whether it contained test projects. This add...
Passing arguments to “make run”
... cheers John and calmh, I went back and saw that the suggestion came from my copy of the first edition OReilly book "Managing Projects with Make". The author states the rule about archive substitution using ()'s and macros able to do both but suggests using {}'s to distinguish. But.... The n...