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Cannot issue data manipulation statements with executeQuery()
In MySQL I have two tables, tableA and tableB . I am trying to execute two queries:
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Allow user to set up an SSH tunnel, but nothing else
I'd like to allow a user to set up an SSH tunnel to a particular machine on a particular port (say, 5000), but I want to restrict this user as much as possible. (Authentication will be with public/private keypair).
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Loop code for each file in a directory [duplicate]
I have a directory of pictures that I want to loop through and do some file calculations on. It might just be lack of sleep, but how would I use PHP to look in a given directory, and loop through each file using some sort of for loop?
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Split a python list into other “sublists” i.e smaller lists [duplicate]
I have a python list which runs into 1000's. Something like:
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How to know what the 'errno' means?
When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
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What is the difference between linear regression and logistic regression?
When we have to predict the value of a categorical (or discrete) outcome we use logistic regression . I believe we use linear regression to also predict the value of an outcome given the input values.
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When to use nil, blank, empty? [duplicate]
Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
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How to reuse existing C# class definitions in TypeScript projects
I am just going to start use TypeScript in my HTML client project which belongs to a MVC project with a entity framework domain model already there. I want my two projects (client side and server side) totally separated as two teams will work on this... JSON and REST is used to communicate objects...
What's the opposite of chr() in Ruby?
In many languages there's a pair of functions, chr() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() .
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How to read contacts on Android 2.0
I'm working on Android 2.0 and am trying to receive a list of all contacts.
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