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In prime faces I have a data table... in which each row shows an entity and a command link to show its details in a modal dialog(by fetching datails using ajax and updating th...

-One could make the argument that you're not inserting the table, but inserting a row into the table. +if it is only for making it more clear, there should be an INSERTINTO st...

I want map URLs like www.mySite.com/test?queries to www.mySite.com/mapped?queries... By adding this to urlrewrite.xml it works good. <rule> <from>^/test\??(.*)$</from>...

Does VARCHAR(50) use more space than VARCHAR(10)? I mean does the size limit affect on requiered space to save? or it only depends on how much lenght actually is being used?

What's the name of the function which checks if something exists on database? somethingExists() existingSomething() checkExistsSomething() ?

I have problems with jaxb namespaces. I wanna add a default name space and two namespaces with prefixes to my XML root. something like this: <?xml version="1.0" encoding="UTF-...

There is some foreign keys in other tables refering to a column which I am changing in one other table. This prevents the change. it seems for changing that column and its cor...

I am trying to install WSL on windows, but I cannot use MS store for some reasons. How to install a distro using commands only? I tried lxrun /install but it said lxrun is unk...

I have an object of type A with properties x, y, z. And an object of type B with properties x, y, z'. I wanna create a constaractor for A, which uses x and y of a B instance t...

I have a bot bound to this account. Deleting the account causes the bot being deleted? Can I import the bot to another account before deleting this one?

I have some local change that I want them to remain on my local system forever(as some local preferences) but I dont want to commit them. If there was any other chagnes added ...

Where would @prototype realy be used in a spring-mvc app?

Is it OK to have an iterface without any methods? Why such thing would be created in a normal project? (I know it is OK that there is such thing in the JDK, but it is marker i...

In a primefaces xhtml page, there is a field, which is filled by the value of a variable of a managed bean. So when the page loads I expect a call to the getter of that variab...

I tried to change everything. i.e. doing this in many different ways because I don't know why would this happen. Is is related to how the OS(linux here) take parameters from t...

I have a class A having a member variable of type HashMap. Is it a bad practice to create a methods setTheHashMap() and getTheHashMap() to let others being able to get and mod...

What does <EntityClassName>$HibernateProxy mean? Does hibernate compile some new classes at runtime? or does it weavs my classes?

In Intellij, when I assign a shortcut to an action by pressing alt+enter in actions menu(ctrl+shift+a) my shortcut works, but only until I restart the IDE. After that, the sho...

In the callstack, I didn't find a class with a name similar to the name of my xhtml page. Are you sure a class whould be created corresponding to my page and its methodes whou...

Why the word INTO is needed after INSERT? why not simply saying INSERT table_name (...?