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Verifying that a string contains only letters in C#
I have an input string and I want to verify that it contains:
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...ry as noted in the comments. In all, EPPlus seems to be the best choice as time goes on. It seems to be more actively updated and documented as well.
Also, as noted by @АртёмЦарионов below, EPPlus has support for Pivot Tables and ExcelLibrary may have some support (Pivot table issue in...
How can I pop-up a print dialog box using Javascript?
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A bit old, but I like to add ... window.print();setTimeout("window.close()", 100); . This waits enough time for the rest of the page to load, but then hangs until the print button on the print dialogue is pressed, or cancelled, and then neatly shuts the tab down again.
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How to clear gradle cache?
I'm trying to use Android Studio, and the first time I boot it up, it takes like 45 MINUTES to compile... If I don't quit the application, it is okay - each subsequent compilation/running the app will take around 45 seconds.
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Apply multiple functions to multiple groupby columns
The docs show how to apply multiple functions on a groupby object at a time using a dict with the output column names as the keys:
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Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
...ly a warning.
The source is the Deprecation notice for DL introduced some time ago in dl.rb ( see revisions/37910 ).
On Windows the lib/ruby/site_ruby/2.0.0/readline.rb file still requires dl.rb so the warning message comes out when you require 'irb' ( because irb requires 'readline' ) or when any...
iOS app, programmatically get build version
... significant events occur, such as when a user opens the app for the first time, or opens the app after upgrading (complete with information on which version the user upgraded from). The source is straightforward and should be easy to understand. Let me know if you have any questions/requests.
I ha...
What is the minimum valid JSON?
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At the time of writing, JSON was solely described in RFC4627. It describes (at the start of "2") a JSON text as being a serialized object or array.
This means that only {} and [] are valid, complete JSON strings in parsers and strin...
The program can't start because libgcc_s_dw2-1.dll is missing
I have created a simple program in C++ with Code::Blocks.
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Is it possible to have multiple styles inside a TextView?
Is it possible to set multiple styles for different pieces of text inside a TextView?
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