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Difference between an application server and a servlet container?
...vaEE technologies on a servlet-container, but you have to install a standalone implementation of the particular technology.
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Check for changes to an SQL Server table?
...ng that with about 10 tables, all with hundreds of records. I had at least one collision per day. Check this other answer stackoverflow.com/questions/14450415/…
– LPains
Jul 27 '18 at 15:00
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
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The best practice is selecting the most appropriate one.
.Net Framework 4.0 Beta 2 has a new IsNullOrWhiteSpace() method for
strings which generalizes the IsNullOrEmpty() method to also include other white
space besides empty string.
The term “white space” inc...
What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
...ow for more flexible design and should be used when the job just can't be done with a basic Forms control.
Many user's computers by default won't trust ActiveX, and it will be disabled; this sometimes needs to be manually added to the trust center. ActiveX is a microsoft-based technology and, as f...
How to avoid the “divide by zero” error in SQL?
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If someone else doesn't instantly get why this works, NULLIF(d,0) will return NULL if d is 0. In SQL, dividing by NULL returns NULL. The Coalesce replaces the resulting NULL by 0.
– GuiSim
Apr ...
Is there a function to make a copy of a PHP array to another?
...our years later with a similar problem, I still don't have a good way to clone an array without modifying the original array (that includes internal pointers as well). I suppose it's time for me to ask my own question.
– Andrew Larsson
Jul 18 '13 at 0:30
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Can git undo a checkout of unstaged files
...ss you have a copy of your current work somewhere).
A "private" content is one only visible in your current directory, but not registered in any way in Git.
Note: As explained in other answers, you can recover your changes if you use an IDE (with local history) or have an open editor (ctrl+Z).
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How to wait until an element exists?
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Can you give an example of how one would use this? Not sure where to put my jquery selector or code I want executed when DOM element exists.
– Superdooperhero
May 30 '18 at 13:12
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nodejs vs node on ubuntu 12.04
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@Tino's answer is the right one, see the nodejs-legacy package's description. The answer linked by @BennyMcBenBen has been updated with similar instructions too.
– tricasse
Dec 15 '15 at 17:29
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How to merge the current branch into another branch
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The current highest-voted answer by @zerome is a good one, but is a bit needlessly verbose.
In the base of your git repo you can just do this: git push . dev:master
A more generalised solution that would work anywhere in the tree would be:
git push $(git rev-parse --show-topl...