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Difference between getAttribute() and getParameter()
... a inter-server post-redirect-get request? I want to send information from one server to another server in JSF through an attribute in redirect request. I am able to send via a POST request as of now.
– user2918640
Mar 11 '16 at 5:29
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SQL Server: Difference between PARTITION BY and GROUP BY
...atement to collect
data across multiple records and group the results by one or more
columns.
In more simple words GROUP BY statement is used in conjunction with
the aggregate functions to group the result-set by one or more
columns.
Syntax:
SELECT expression1, expression2, ... expr...
How to download source in ZIP format from GitHub?
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To clone that repository via a URL like that: yes, you do need a client, and that client is Git. That will let you make changes, your own branches, merge back in sync with other developers, maintain your own source that you can ea...
node.js require all files in a folder?
...h of a folder, it'll look for an index.js file in that folder; if there is one, it uses that, and if there isn't, it fails.
It would probably make most sense (if you have control over the folder) to create an index.js file and then assign all the "modules" and then simply require that.
yourfile.js...
How can you list the matches of Vim's search?
...at those thousands of times, but once you master them you will laugh @everyone who points their gread new UI IDE features ...
– Yordan Georgiev
May 27 '17 at 20:49
add a comme...
Android Studio inline compiler showing red errors, but compilation with gradle works fine
...aches. Let's hope A.S. will build faster now !
– Someone Somewhere
Jun 14 '18 at 14:35
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show 5 more comments
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Add Variables to Tuple
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In this example case, one can also do: t = () then t += (1,)
– Douglas Denhartog
Jan 20 '15 at 23:24
2
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Method call if not null in C#
...nvoke" problem.
===
Prior to C# 6, no: there is no null-safe magic, with one exception; extension methods - for example:
public static void SafeInvoke(this Action action) {
if(action != null) action();
}
now this is valid:
Action act = null;
act.SafeInvoke(); // does nothing
act = delegate...
Android Spinner: Get the selected item change event
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But what if the user selects the "default" item, the one up the top? Then onItemSelected(...) is not hit. (I know because I just found this out the hard way.)
– Andrew Wyld
Mar 23 '12 at 16:40
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NuGet Package Restore Not Working
I checked in a project on one computer, checked out on another, and find that the binaries installed by NuGet are missing. I could check them in to source control as well, but it looks like there's a better solution:
...