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Maximum packet size for a TCP connection
What is the maximum packet size for a TCP connection or how can I get the maximum packet size?
10 Answers
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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...
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?
5 Answers
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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 ...
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...
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...
How to create a bash script to check the SSH connection?
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EDIT: Another approach would be to use nmap (you won't need to have keys or login-stuff):
$ a=`nmap uphost -PN -p ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ echo $a
22/tcp open ssh
$ echo $b
(empty string)
But you'll have to grep the message (nmap does not use the return-val...
Android - startActivityForResult immediately triggering onActivityResult
... activities from the main activity in my app using the call startActivityForResult(intent, ACTIVITY_TYPE) , and they are all working but one.
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