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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...gt;, because it's not visible in the signature.
– Colonel Panic
Jun 22 '12 at 11:02
3
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How do you detect where two line segments intersect? [closed]
...imilarly a vector parallel to the z axis. So... do I just divide the z component by the other z component? Is the formula for t actually |(q − p) × s| / |(r × s)|?
– LarsH
Aug 31 '12 at 3:40
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How do I set a variable to the output of a command in Bash?
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In addition to backticks `command`, command substitution can be done with $(command) or "$(command)", which I find easier to read, and allows for nesting.
OUTPUT=$(ls -1)
echo "${OUTPUT}"
MULTILINE=$(ls \
-1)
echo "${MULTILINE}"
Quoting (") does matter to preserve multi-line variabl...
Find an item in List by LINQ?
...ngle will return a single result, but will throw an exception if it finds none or more than one (which may or may not be what you want):
string search = "lookforme";
List<string> myList = new List<string>();
string result = myList.Single(s => s == search);
Note SingleOrDefault() wi...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
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Besides the tests mentioned in the question, I recently created some new ones involving much fewer HTTP calls (5000 compared to 1 million previously) but on requests that took much longer to execute (500 milliseconds compared to around 1 millisecon...
What does character set and collation mean exactly?
I can read the MySQL documentation and it's pretty clear. But, how does one decide which character set to use? On what data does collation have an effect?
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Parse email content from quoted reply
...wrote" or prefix the lines with an angle bracket. Unfortunately, not everyone does this. Does anyone have any idea on how to programmatically detect reply text? I am using C# to write this parser.
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What is the best way to concatenate two vectors?
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@boycy No. It is amortized constant time to push_back one element. To push back n elements is O(n)
– Konrad Lindenbach
Mar 12 '16 at 1:47
1
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How to check if a file exists in Documents folder?
...plication with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app.
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Removing the title text of an iOS UIBarButtonItem
...itle: "", style: .plain, target: nil, action: nil)
To be clear, this is done on the view controller that you would see if you hit the back button. i.e. instead of seeing '< Settings' you want to just see '<' then on your SettingsViewController you would put this in your init. Then you don't ...