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Most efficient way to check for DBNull and then assign to a variable?
This question comes up occasionally, but I haven't seen a satisfactory answer.
15 Answers
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Make Font Awesome icons in a circle?
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i.fa {
display: inline-block;
border-radius: 60px;
box-shadow: 0px 0px 2px #888;
padding: 0.5em 0.6em;
}
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
<i class="fa fa-wrench...
Convert a RGB Color Value to a Hexadecimal String
In my Java application, I was able to get the Color of a JButton in terms of red, green and blue; I have stored these values in three int s.
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Automating “enter” keypresses for bash script generating ssh keys
...me as two of the enters in an interactive script)
-f my.key tells it to store the key into my.key (change as you see fit).
The whole thing runs without you needing to supply any enter keys :)
To send enters to an interactive script:
echo -e "\n\n\n" | ssh-keygen -t rsa
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How large should my recv buffer be when calling recv in the socket library
...ions vary depending on whether you are using a stream socket (SOCK_STREAM) or a datagram socket (SOCK_DGRAM) - within TCP/IP, the former corresponds to TCP and the latter to UDP.
How do you know how big to make the buffer passed to recv()?
SOCK_STREAM: It doesn't really matter too much. If your ...
Why is IntelliJ 13 IDEA so slow after upgrading from version 12?
While using IntelliJ 13 ultimate edition for a week, it just seems really slow.
20 Answers
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How do I access the ModelState from within my View (aspx page)?
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Also worthy to note that you can just do ViewData.ModelState and if you want to display some conditional markup on errors you can do like this: @if (!ViewData.ModelState.IsValid)
– The Muffin Man
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Static method behavior in multi-threaded environment in java
...ant's answer is good. But I thought I would try and explain at a slightly more simple level for anybody who comes across this and is newish to Java. Here goes..
Memory in java is split up into two kinds - the heap and the stacks. The heap is where all the objects live and the stacks are where the t...
How many parameters are too many? [closed]
...t can be regulated despite the 1st Amendment guarantee to free speech? According to Justice Potter Stewart, "I know it when I see it." The same holds here.
I hate making hard and fast rules like this because the answer changes not only depending on the size and scope of your project, but I think ...
go to character in vim
I'm getting an error message from a python script at position 21490 .
2 Answers
2
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