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Command-line Unix ASCII-based charting / plotting tool

Is there a good command-line UNIX charting / graphing / plotting tool out there? I'm looking for something that will plot xy points on an ASCII graph. ...
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How to convert an NSString into an NSNumber

How can I convert a NSString containing a number of any primitive data type (e.g. int , float , char , unsigned int , etc.)? The problem is, I don't know which number type the string will contain at runtime. ...
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How do I assign an alias to a function name in C++?

... Example: there are two overloads of function std::stoi int stoi (const string&, size_t*, int); int stoi (const wstring&, size_t*, int); If you want to make an alias to the first version you should use the following: const auto& new_fn_name = static_cast<int(*)(const string&...
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Remove Trailing Spaces and Update in Columns in SQL Server

...('Amit Tech Corp ')) LTRIM - removes any leading spaces from left side of string RTRIM - removes any spaces from right Ex: update table set CompanyName = LTRIM(RTRIM(CompanyName)) share | impr...
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How to drop SQL default constraint without knowing its name?

... drop the constraint and dynamically execute it. declare @schema_name nvarchar(256) declare @table_name nvarchar(256) declare @col_name nvarchar(256) declare @Command nvarchar(1000) set @schema_name = N'MySchema' set @table_name = N'Department' set @col_name = N'ModifiedDate' select @Command = '...
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How can I use a carriage return in a HTML tooltip?

... three codes don't seem to be HTML. They look more like C-derived language string escape sequences. – Sam Jan 7 '15 at 1:31 3 ...
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How to Copy Text to Clip Board in Android?

...hod to copy text to clipboard: private void setClipboard(Context context, String text) { if(android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.HONEYCOMB) { android.text.ClipboardManager clipboard = (android.text.ClipboardManager) context.getSystemService(Context.CLIPBOARD_SE...
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How do I concatenate strings and variables in PowerShell?

... This doesn't work for distributing strings across multiple lines. Instead use ( $string1, $string2, $string3 ) -join "" or ($string1 + $string2 + $string3). With these methods, you can have whitespace (spaces, tabs, and newlines) between the strings, but be s...
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Repeating characters in VIM insert mode

Is there a way of repeating a character while in Vim's insert mode? For example, say I would like to insert 80 dashes, in something like emacs I would type: ...
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PowerShell script to return versions of .NET Framework on a machine?

...le by looking for unique lines that start with ".NET Framework" Select-String "^.NET" | Select-Object -Unique | # And flip it so it's key = value # And convert ".NET FRAMEWORK 4.5.2" to [version]4.5.2 ForEach-Object { [version]$v, [int]$k = $_ -replace "\.NET Framework " -s...