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What does the red exclamation point icon in Eclipse mean?
...Build path"
Then select "Configure Build Path"
Click on "Libraries"
Remove all the libraries which were referring to old path
Then, the exclamation symbol on the "Project name" was removed.
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Why does Oracle 9i treat an empty string as NULL?
...r exists but is not known by the user, data where there is no answer, etc. all of which constitute some sense of NULL).
By the time that the SQL standard came around and agreed that NULL and the empty string were distinct entities, there were already Oracle users that had code that assumed the two ...
Looping through the content of a file in Bash
...|| [ -n "$p" ]
do
printf '%s\n' "$p"
done < peptides.txt
Exceptionally, if the loop body may read from standard input, you can open the file using a different file descriptor:
while read -u 10 p; do
...
done 10<peptides.txt
Here, 10 is just an arbitrary number (different from 0, 1, ...
Design Patterns: Factory vs Factory method vs Abstract Factory
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All three Factory types do the same thing: They are a "smart constructor".
Let's say you want to be able to create two kinds of Fruit: Apple and Orange.
Factory
Factory is "fixed", in that you have just one implementation ...
Streaming Audio from A URL in Android using MediaPlayer?
...et rejected b'coz I have used Vitamio 4.x version
– Pallavi
Dec 22 '16 at 14:31
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How to add directory to classpath in an application run profile in IntelliJ IDEA?
... Step 6 does not come up for me. I am on intellij 14. I have a folder called lib where my .jar are located. selecting the folder or jar will just parse the path into intellij. still does not work
– Takeru
Jan 21 '16 at 7:20
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
... is applied.]
Autolayout vs. View Transforms
Autolayout does not play at all well with view transforms. The reason, as far as I can discern, is that you're not supposed to mess with the frame of a view that has a transform (other than the default identity transform) - but that is exactly what auto...
What does the “@” symbol do in Powershell?
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PowerShell will actually treat any comma-separated list as an array:
"server1","server2"
So the @ is optional in those cases. However, for associative arrays, the @ is required:
@{"Key"="Value";"Key2"="Value2"}
Officially, @ is the "array ...
Twitter Bootstrap vs jQuery UI? [closed]
...n several projects.
The biggest difference in my opinion
jQuery UI is fallback safe, it works correctly and looks good in old browsers, where Bootstrap is based on CSS3 which basically means GREAT in new browsers, not so great in old
Update frequency: Bootstrap is getting some great big updates ...
Why does this async action hang?
I have a multi-tier .Net 4.5 application calling a method using C#'s new async and await keywords that just hangs and I can't see why.
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