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Checking if a folder exists (and creating folders) in Qt, C++
... in the current directory?
If it doesn't exist, how do I then create an empty folder?
5 Answers
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Namespace for [DataContract]
I can't find the namespace to use for [DataContract] and [DataMember] elements. According to what I've found, it seems that adding the following should be enough, but in my case it is not.
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Can I change the name of `nohup.out`?
When I run nohup some_command & , the output goes to nohup.out ; man nohup says to look at info nohup which in turn says:
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How SignalR works internally?
Can anyone let me know how SignalR works internally in a high level way?
2 Answers
2
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Change how fast “title” attribute's tooltip appears
Is there a way to change how fast the tooltip from an element's "title" attribute? I'd like it if the tooltip appeared immediately, but it seems to take a few seconds to apear.
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In Gradle, is there a better way to get Environment Variables?
In several Tasks, I reference jars in my home folder.
3 Answers
3
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Newline in markdown table?
I have the following cells in a markdown table:
4 Answers
4
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running Rails console in production
I have just gone live with my first Rails site, but now I have a problem. When I run the project in development mode on my IDE I can run the console to something like:
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How to prepend a string to a column value in MySQL?
I need a SQL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value.
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Are nullable types reference types?
...e struct has two values:
The value of the data type (int for int?, DateTime for DateTime?, etc.).
A boolean value which tells if the data type value has been set. (HasValue is the property.)
When you set the value of the data type, the struct changes HasValue to true.
Nullable types (C# Progra...