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What is the proper way to test if a parameter is empty in a batch file?
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And using "%~1" is really a better approach, as I mentioned in my answer.
– jamesdlin
May 31 '15 at 21:08
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How to call an async method from a getter or setter?
...int (2) wouldn't work in that case. Just implement INotifyPropertyChanged, and then decide whether you want the old value returned or default(T) while the asynchronous update is in flight.
– Stephen Cleary
Nov 19 '13 at 11:57
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Entity Framework 4 Single() vs First() vs FirstOrDefault()
...ime finding a comparison of the different ways to query for a single item, and when to use each.
6 Answers
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How to get Ruby / Homebrew / RVM to work on Yosemite?
...requires Leopard or higher - I followed the answer below install xcode command line tools and it now works: stackoverflow.com/a/24225960/1062936
– greg
Feb 4 '15 at 23:59
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Check whether a path is valid in Python without creating a file at the path's target
I have a path (including directory and file name).
I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name.
The file-name has some unicode characters in it.
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How do I get PHP errors to display?
I have checked my PHP ini file ( php.ini ) and display_errors is set and also error reporting is E_ALL . I have restarted my Apache webserver.
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Quickly reading very large tables as dataframes
...ahead of time, the table does not contain any column headers or row names, and does not have any pathological characters that I have to worry about.
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Running script upon login mac [closed]
... earned a "Good answer" badge for this answer. While my solution is simple and working, the cleanest way to run any program or shell script at login time is described in @trisweb's answer, unless, you want interactivity.
With automator solution you can do things like next:
so, asking to run a scr...
How to test if a string is JSON or not?
I have a simple AJAX call, and the server will return either a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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What is a Maven artifact?
What is an artifact and why does Maven need it?
9 Answers
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