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Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
... It refers to defining insertable=false,updatable=false on one of the sides of the relationship.
– BalusC
Sep 27 '10 at 18:47
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Most efficient way to concatenate strings in JavaScript?
...he impact to GC is between the various methods?
– David Bradley
Aug 30 '18 at 20:06
For large strings, array.join may ...
How to execute a stored procedure within C# program
... That's true for this case. I like to have matching Open and Close calls. If you say, refactor the connection object out as a field in the future and remove the using statement, you might accidentally forget to add Close and end up with an open connection.
– Mehrdad Afs...
Temporarily switch working copy to a specific Git commit
...the log, pick the commit you want, note down the sha1 hash that is used to identify the commit. Next, run git checkout hash. After you are done, git checkout original_branch. This has the advantage of not moving the HEAD, it simply switches the working copy to a specific commit.
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Shuffle an array with python, randomize array item order with python
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Ironically enough, this page is the top hit in Google when I just searched for "python shuffle array"
– Joshua Huber
May 10 '18 at 16:54
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Add x and y labels to a pandas plot
...bel", ylabel="y label").
Alternatively, the index x-axis label is automatically set to the Index name, if it has one. so df2.index.name = 'x label' would work too.
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Converting .NET DateTime to JSON [duplicate]
My webs service is returning a DateTime to a jQuery call. The service returns the data in this format:
10 Answers
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Is there a way to make HTML5 video fullscreen?
...he Fullscreen API, although it's still quite a mess because you can't just call div.requestFullScreen() in all browsers, but have to use browser specific prefixed methods.
I've created a simple wrapper screenfull.js that makes it easier to use the Fullscreen API.
Current browser support is:
Chr...
Converting an object to a string
...og(o) ? Since if you try to log an object added to a string , it actually calls toString() on the object.
– Gocy015
Nov 29 '16 at 3:29
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Alarm Manager Example
... initially work, at some point it stopped working. The onReceive never got called again. I spent hours trying to figure out what it could be. What I came to realize is that the Intent for whatever mysterious reason was no longer being called. To get around this, I discovered that you really do need ...