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Replace whitespaces with tabs in linux
... User Commands UNEXPAND(1)
NAME
unexpand - convert spaces to tabs
SYNOPSIS
unexpand [OPTION]... [FILE]...
DESCRIPTION
Convert blanks in each FILE to tabs, writing to standard output. With
no FILE, or when FILE is -, read standard input.
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
...t depending on your use case, you might also want to know if the 8G in the system come from 2x4GB sticks or 4x2GB sticks.
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How to create JSON string in C#
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our project can open in VS 2008...so it was converted at some point. Does that mean we can now use .NET 3.5 within our existing codebase?
– PositiveGuy
Jun 29 '09 at 1:42
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Why I cannot cout a string?
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Use c_str() to convert the std::string to const char *.
cout << "String is : " << text.c_str() << endl ;
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Converting datetime.date to UTC timestamp in Python
I am dealing with dates in Python and I need to convert them to UTC timestamps to be used
inside Javascript. The following code does not work:
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What's the best way to put a c-struct in an NSArray?
...ized methods, object_getInstanceVariable, or valueForKey:(which will often convert these scalar instance variables into NSNumber or NSValue representations).
btw: all the answers you have received are useful, some are better/worse/invalid depending on the context/scenario. specific needs regarding ...
How to convert an OrderedDict into a regular dict in python3
I am struggling with the following problem:
I want to convert an OrderedDict like this:
8 Answers
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How to save MailMessage object to disk as *.eml or *.msg file
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Here's an extension method to convert a MailMessage to a stream containing the EML data.
Its obviously a bit of a hack as it uses the file system, but it works.
public static void SaveMailMessage(this MailMessage msg, string filePath)
{
using (var fs...
Load RSA public key from file
...-bit RSA private key
$ openssl genrsa -out private_key.pem 2048
Convert private Key to PKCS#8 format (so Java can read it)
$ openssl pkcs8 -topk8 -inform PEM -outform DER -in private_key.pem -out private_key.der -nocrypt
Output public key portion in DER format (so Java can read...
Can I use if (pointer) instead of if (pointer != NULL)?
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You can; the null pointer is implicitly converted into boolean false while non-null pointers are converted into true. From the C++11 standard, section on Boolean Conversions:
A prvalue of arithmetic, unscoped enumeration, pointer, or pointer to member type can ...