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How can I declare and use Boolean variables in a shell script?
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if [ "$the_world_is_flat" = true ] ; then
echo 'Be careful not to fall off!'
fi
Original Answer
Caveats: https://stackoverflow.com/a/21210966/89391
the_world_is_flat=true
# ...do something interesting...
if $the_world_is_flat ; then
echo 'Be careful not to fall off!'
fi
From: Usi...
Understanding events and event handlers in C#
I understand the purpose of events, especially within the context of creating user interfaces. I think this is the prototype for creating an event:
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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 0 0 0 0 0 0 0
0x601018: 32 16 96 0 0 0 0 0
(gdb) x /10b this->contents
0x601020: 97 97 97 97 97 97 97 97
0x601028: 97 97
上面一共...
Uppercase Booleans vs. Lowercase in PHP
...e
case-insensitive.
So yeah, true === TRUE and false === FALSE.
Personally, however, I prefer TRUE over true and FALSE over false for readability reasons. It's the same reason for my preference on using OR over or or ||, and on using AND over and or &&.
The PSR-2 standard requires true...
bind event only once
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Be careful, because this unbinds ALL click events, and it is not always wanted behaviour. For example, when you bind something to document, you want to unbind only that one event, not all of them.
– Mārtiņš Briedis
J...
Defining a percentage width for a LinearLayout? [duplicate]
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32
i know another solution, that work with weight:
<?xml version="1.0" encoding="utf-8"?>
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Javascript communication between browser tabs/windows [duplicate]
...t;p>Type into the text box below and watch the text
appear automatically in the receiver.</p>
<form name="sender">
<input type="text" name="message" size="30" value="">
<input type="reset" value="Clean">
</form>
<script type="text/javascript"><!--
func...
How Scalable is SQLite? [closed]
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Yesterday I released a small site* to track your rep that used a shared SQLite database for all visitors. Unfortunately, even with the modest load that it put on my host it ran quite slowly. This is because the entire database was locked every time s...
What good technology podcasts are out there?
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All from General Software are great! And I can see, that 43 Folders are broadcastin again!
– Tomasz Tybulewicz
Mar 13 '09 at 10:44
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AutoMapper: “Ignore the rest”?
Is there a way to tell AutoMapper to ignore all of the properties except the ones which are mapped explicitly?
17 Answers
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