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Finding the index of an item in a list
...omplexity in list length
An index call checks every element of the list in order, until it finds a match. If your list is long, and you don't know roughly where in the list it occurs, this search could become a bottleneck. In that case, you should consider a different data structure. Note that if yo...
SQL Add foreign key to existing column
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MySQL / SQL Server / Oracle / MS Access:
ALTER TABLE Orders
ADD FOREIGN KEY (P_Id)
REFERENCES Persons(P_Id)
To allow naming of a FOREIGN KEY constraint, and for defining a FOREIGN KEY constraint on multiple columns, use the following SQL syntax:
MySQL / SQL Server / Oracle /...
Pros and cons of Java rules engines [closed]
...stablished algorithms (such as forward chaining and the Rete algorithm) in order to scale up to non-trivial problems. If you are simply evaluating expressions, an existing library such as MVEL may be useful.
– jevon
Feb 28 '11 at 6:19
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How to create a bash script to check the SSH connection?
...at all about the commands... or what you are actually doing.. what is $? ? etc
– Toskan
Jan 18 '18 at 21:19
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Html List tag not working in android textview. what can i do?
...m inner class android.text.Html.HtmlToSpannedConverter. It supports nested ordered and unordered lists but too long texts in ordered lists are still aligned with item number rather than text. Mixed lists (ol and ul) needs some work too. Sample project contains implementation of Html.TagHandler which...
What is default color for text in textview?
... Most correct solution. Preserve text color states (disabled, etc)
– dasar
Jan 11 '17 at 12:02
From my ob...
Where should @Service annotation be kept? Interface or Implementation?
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Basically annotations like @Service, @Repository, @Component, etc. they all serve the same purpose:
auto-detection when using annotation-based configuration and classpath
scanning.
From my experience I am always using @Service annotation on the interfaces or abstract classes an...
NSUserDefaults not cleared after app uninstall on simulator
...apabilities), then you will have to remove all the apps from the device in order for the user defaults to be cleared. Since the user defaults are shared, even if one of the app is on the device then it will not be deleted, as that app will be using the userdefaults.
– Ankit Sr...
How do CDI and EJB compare? interact?
...a EE 6 compliant server has it (Glassfish 3.0.1+ is not mistaken, JBoss 6+ etc.) You can take a look at JBoss Weld, a reference CDI implementation which you can use in for instance Tomcat...
– Maxym
Aug 13 '14 at 13:47
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How to write a Unit Test?
...it test for your project, please follow these steps (I am using Eclipse in order to write this test):
1- Click on New -> Java Project.
2- Write down your project name and click on finish.
3- Right click on your project. Then, click on New -> Class.
4- Write down your class name and c...