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Laravel Schema onDelete set null
...ure out how to set proper onDelete constraint on a table in Laravel. (I'm working with SqLite)
4 Answers
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Plotting with seaborn using the matplotlib object-oriented interface
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It depends a bit on which seaborn function you are using.
The plotting functions in seaborn are broadly divided into two classes
"Axes-level" functions, including regplot, boxplot, kdeplot, and many others
"Figure-level" functions, including lmplot, f...
Send JSON data via POST (ajax) and receive json response from Controller (MVC)
...n this case an mvc controller function) should NEVER trust a client, therefore the XSS check should be done at the server. The controller is responsible for parsing the data in the correct way and send the data back to the caller (webapp). The caller could also be something like fiddler, or postman,...
Storing a Map using JPA
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JPA 2.0 supports collections of primitives through the @ElementCollection annotation that you can use in conjunction with the support of java.util.Map collections.
Something like this should work:
@Entity
public class Example {
@Id...
What is the recommended batch size for SqlBulkCopy?
What is the recommended batch size for SqlBulkCopy ? I'm looking for a general formula I can use as a starting point for performance tuning.
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How can I convert a PFX certificate file for use with Apache on a linux server?
How can I convert a PFX certificate file for use with Apache on a linux server?
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When to catch java.lang.Error?
In what situations should one catch java.lang.Error on an application?
16 Answers
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Joda-Time: what's the difference between Period, Interval and Duration?
...esent different concepts so it is a matter of picking the appropriate one for the job rather than of relative performance. From the documentation with comments added by me in italics:
An interval in Joda-Time represents an interval of time from one millisecond instant to another instant. Both ins...
Should accessing SharedPreferences be done off the UI Thread?
...ad you're already playing with it!
Some things to note: (in lazy bullet form)
if this is the worst of your problems, your app's probably in a good spot. :) Writes are generally slower than reads, though, so be sure you're using SharedPreferenced$Editor.apply() instead of commit(). apply() is ...
How do I check for a network connection?
What is the best way to determine if there is a network connection available?
4 Answers
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