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How to ignore xargs commands if stdin input is empty?
Consider this command:
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mysqli or PDO - what are the pros and cons? [closed]
In our place we're split between using mysqli and PDO for stuff like prepared statements and transaction support. Some projects use one, some the other. There is little realistic likelihood of us ever moving to another RDBMS.
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How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
I'm using Spring MVC for a simple JSON API, with @ResponseBody based approach like the following. (I already have a service layer producing JSON directly.)
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What's the difference between session.Merge and session.SaveOrUpdate?
I notice sometimes with my parent/child objects or many-to-many relationships, I need to call either SaveOrUpdate or Merge . Usually, when I need to call SaveOrUpdate , the exception I get on calling Merge has to do with transient objects not being saved first.
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PowerShell: Setting an environment variable for a single command only
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Maven Run Project
Is there a Maven "phase" or "goal" to simply execute the main method of a Java class? I have a project that I'd like to test manually by simply doing something like "mvn run".
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Concatenate a vector of strings/character
If I have a vector of type character, how can I concatenate the values into string? Here's how I would do it with paste() :
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How do I make Vim do normal (Bash-like) tab completion for file names?
When I'm opening a new file in Vim and I use tab completion, it completes the whole file name instead of doing the partial match like Bash does. Is there an option to make this file name tab completion work more like Bash?
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How to execute multi-line statements within Python's own debugger (PDB)
So I am running a Python script within which I am calling Python's debugger, PDB by writing:
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How to change href of tag on button click through javascript
How to change the href attribute value of an <a/> tag through Javascript on button click ?
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