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How can I inspect disappearing element in a browser?
How can I inspect an element which disappears when my mouse moves away?
9 Answers
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Impossible to make a cached thread pool with a size limit?
It seems to be impossible to make a cached thread pool with a limit to the number of threads that it can create.
13 Answers...
SQL update from one Table to another based on a ID match
I have a database with account numbers and card numbers . I match these to a file to update any card numbers to the account number, so that I am only working with account numbers.
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dropping infinite values from dataframes in pandas?
what is the quickest/simplest way to drop nan and inf/-inf values from a pandas DataFrame without resetting mode.use_inf_as_null ? I'd like to be able to use the subset and how arguments of dropna , except with inf values considered missing, like:
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Html.DropdownListFor selected value not being set
How can I set the selected value of a Html.DropDownListFor? I've been having a look online and have seen that it can be achieved by using the fourth parameter so like the below:
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Count character occurrences in a string in C++
How can I count the number of "_" in a string like "bla_bla_blabla_bla" ?
13 Answers
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What is the significance of #pragma marks? Why do we need #pragma marks?
What is the purpose of #pragma marks in Xcode? Does their location in .m files matter? Should some #pragma come before all others?
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(Built-in) way in JavaScript to check if a string is a valid number
I'm hoping there's something in the same conceptual space as the old VB6 IsNumeric() function?
37 Answers
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How to prevent SIGPIPEs (or handle them properly)
I have a small server program that accepts connections on a TCP or local UNIX socket, reads a simple command and, depending on the command, sends a reply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and m...
Insert Update trigger how to determine if insert or update
I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...