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How to convert float to int with Java
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use either/or... (int)foo is simpler.
– yuttadhammo
Jul 12 '12 at 9:39
31
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Deleting an object in java?
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You should remove the references to it by assigning null or leaving the block where it was declared. After that, it will be automatically deleted by the garbage collector (not immediately, but eventually).
Example 1:
Object a = new Object();
a = null; // after this, if there is n...
Unbalanced calls to begin/end appearance transitions for
I read SO about another user encountering similar error , but this error is in different case.
22 Answers
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ScrollIntoView() causing the whole page to move
...d item in a list into view. When I scroll downwards ScrollIntoView(false) works perfectly. But when I scroll upwards, ScrollIntoView(true) is causing the whole page to move a little which I think is intended.
Is there a way to avoid the whole page move when using ScrollIntoView(true)?
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What's the point of JAXB 2's ObjectFactory classes?
...te a set of classes from my XML Schema. In addition to generating a class for each element in my schema, it created an ObjectFactory class.
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Rails ActiveRecord date between
...ted_at => @selected_date.beginning_of_day..@selected_date.end_of_day)
Or, if you want to or have to use pure string conditions, you can do:
Comment.where('created_at BETWEEN ? AND ?', @selected_date.beginning_of_day, @selected_date.end_of_day)
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Check substring exists in a string in C
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if(strstr(sent, word) != NULL) {
/* ... */
}
Note that strstr returns a pointer to the start of the word in sent if the word word is found.
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Error 1046 No database Selected, how to resolve?
Error
SQL query:
16 Answers
16
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How to add text at the end of each line in Vim?
...s to do a visual select and then type the :. It will fill in :'<,'> for you, then you type the rest of it (Notice you only need to add s/$/,/)
:'<,'>s/$/,/
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Create directory if it does not exist
I am writing a PowerShell script to create several directories if they do not exist.
11 Answers
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