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How to set the current working directory? [duplicate]
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I usually use os.getcwd() first, and that shows me the format of the accepted input for os.chdir().
– Rani Kheir
Apr 21 '16 at 9:22
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Passing a URL with brackets to curl
...L contents but they should be
encoded according to the URI standard.
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DataContractSerializer doesn't call my constructor?
...sible : when deserializing an object, the DataContractSerializer doesn't call the constructor !
4 Answers
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Check if SQL Connection is Open or Closed
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+1 exactly - use the SqlConnectionState enum as an enum and not turn it into a string.....
– marc_s
Aug 4 '11 at 15:19
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Reshaping data.frame from wide to long format
...s melt/cast. Here is a solution with reshape, assuming your data frame is called d:
reshape(d,
direction = "long",
varying = list(names(d)[3:7]),
v.names = "Value",
idvar = c("Code", "Country"),
timevar = "Year",
times = 1950:1954)
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What is a good choice of database for a small .NET application? [closed]
I'm developing a small application with C# in .NET and I want to have a small light weight database which does not use much resources.
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Convert char to int in C and C++
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Well, in ASCII code, the numbers (digits) start from 48. All you need to do is:
int x = (int)character - 48;
Or, since the character '0' has the ASCII code of 48, you can just write:
int x = character - '0'; // The (int) cast is not necessary.
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Place cursor at the end of text in EditText
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There is a function called append for ediitext which appends the string value to current edittext value and places the cursor at the end of the value.
You can have the string value as the current ediitext value itself and call append();
myeditte...
Check for internet connection availability in Swift
...I wanted a more pure Swift solution. The existing Apple Reachability class and other third party libraries seemed to be too complicated for me to translate to Swift. I Googled some more and I came across this article which shows a simple method to check for network availability. I set out to transla...
More elegant “ps aux | grep -v grep”
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brilliant hack (I think I should call it that, since the aux / grep authors probably did not think of this scenario.)
– Michael Trouw
Apr 12 '16 at 14:12
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