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RegEx to parse or validate Base64 data
Is it possible to use a RegEx to validate, or sanitize Base64 data? That's the simple question, but the factors that drive this question are what make it difficult.
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Why must a lambda expression be cast when supplied as a plain Delegate parameter
Take the method System.Windows.Forms.Control.Invoke(Delegate method)
8 Answers
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Excel “External table is not in the expected format.”
I'm trying to read an Excel (xlsx) file using the code shown below. I get an "External table is not in the expected format." error unless I have the file already open in Excel. In other words, I have to open the file in Excel first before I can read if from my C# program. The xlsx file is on a share...
How to change the cursor into a hand when a user hovers over a list item?
I've got a list, and I have a click handler for its items:
23 Answers
23
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How can i query for null values in entity framework?
I want to execute a query like this
14 Answers
14
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How to solve privileges issues when restore PostgreSQL Database
I have dumped a clean, no owner backup for Postgres Database with the command
10 Answers
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How do I parse XML in Python?
I have many rows in a database that contains XML and I'm trying to write a Python script to count instances of a particular node attribute.
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Android check internet connection [duplicate]
I want to create an app that uses the internet and I'm trying to create a function that checks if a connection is available and if it isn't, go to an activity that has a retry button and an explanation.
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Adding placeholder text to textbox
I am looking for a way to add placeholder text to a textbox like you can with a textbox in html5.
24 Answers
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git: diff between file in local repo and origin
I want to find the differences between a file I have in my local repo vs what is in the origin master .
7 Answers
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