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Can a JSON value contain a multiline string
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Check out the specification! The JSON grammar's char production can take the following values:
any-Unicode-character-except-"-or-\-or-control-character
\"
\\
\/
\b
\f
\n
\r
\t
\u four-hex-digits
Newlines are "control characters" so, no, yo...
How can I pass an argument to a PowerShell script?
...tement in your script
$iTunes = New-Object -ComObject iTunes.Application
if ($iTunes.playerstate -eq 1)
{
$iTunes.PlayerPosition = $iTunes.PlayerPosition + $step
}
Call it with
powershell.exe -file itunesForward.ps1 -step 15
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How to add multi line comments in makefiles
...ng reasons, and adding a backslash on every line is not really practical. If you are using GNU make, I suggest you use the ifeq directive with a deliberately false expression. For example:
ifeq ("x","y")
# here's all your 'commented' makefile content...
endif
Hope that helps.
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Android - implementing startForeground for a service?
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I'd start by completely filling in the Notification. Here is a sample project demonstrating the use of startForeground().
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Fixed point vs Floating point number
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A fixed point number has a specific number of bits (or digits) reserved for the integer part (the part to the left of the decimal point) and a specific number of bits reserved for the fractional part (the part to the right of the decimal point). No matter ...
Find and replace in file and overwrite file doesn't work, it empties the file
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At least on my mac, the first suggestion doesn't work... if you're doing in-place replacement on a file, you have to specify an extension. You can, at least, pass in a zero-length extension though: sed -i '' s/STRING_TO_REPLACE/STRING_TO_REPLACE_IT/g index.html
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Deserialize JSON into C# dynamic object?
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If you are happy to have a dependency upon the System.Web.Helpers assembly, then you can use the Json class:
dynamic data = Json.Decode(json);
It is included with the MVC framework as an additional download to the .NET 4 f...
Java rounding up to an int using Math.ceil
...1
int n = a / b + ((a % b == 0) ? 0 : 1);
You do a / b with always floor if a and b are both integers. Then you have an inline if-statement witch checks whether or not you should ceil instead of floor. So +1 or +0, if there is a remainder with the division you need +1. a % b == 0 checks for the re...
Iterate over each line in a string in PHP
...file or copy/paste the contents of the file into a textarea. I can easily differentiate between the two and put whichever one they entered into a string variable, but where do I go from there?
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In ASP.NET, when should I use Session.Clear() rather than Session.Abandon()?
...ntent) from the Object. The session with the same key is still alive.
So, if you use Session.Abandon(), you lose that specific session and the user will get a new session key. You could use it for example when the user logs out.
Use Session.Clear(), if you want that the user remaining in the same ...