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Design Patterns: Factory vs Factory method vs Abstract Factory
...ch concrete implementation it is getting.
Factory Method: Client doesn't know what concrete classes it will be required to create at runtime, but just wants to get a class that will do the job.
AbstactFactory: When your system has to create multiple families of products or you want to provide a l...
How to change context root of a dynamic web project in Eclipse?
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I'm sure you've moved on by now, but I thought I'd answer anyway.
Some of these answers give workarounds. What actually must happen is that you clean and re-publish your project to "activate" the new URI. This is done by right-clicking your server (in t...
Why does the order in which libraries are linked sometimes cause errors in GCC?
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(See the history on this answer to get the more elaborate text, but I now think it's easier for the reader to see real command lines).
Common files shared by all below commands
$ cat a.cpp
extern int a;
int main() {
return a;
}
$ cat b.cpp
extern int b;
int a = b;
$ cat d.cpp
int b;
L...
Computed / calculated / virtual / derived columns in PostgreSQL
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The functionality is in development right now: commitfest.postgresql.org/16/1443
– r90t
Jan 23 '18 at 12:42
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The input is not a valid Base-64 string as it contains a non-base 64 character
...w. Logic is to remove everything after , if data: is present. Bam. Working now.
– Maxime Rouiller
Jun 14 '16 at 13:14
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Can I disable autolayout for a specific subview at runtime?
... Thanks, man. I'm in my second day struggling with this issue and now it works!
– apostolov
Jan 21 '16 at 16:00
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Select columns from result set of stored procedure
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It also doesn't work when you don't know the table definition
– Ian Boyd
Nov 10 '10 at 15:09
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How to rsync only a specific list of files?
...the content of the file rsync-src-files which I will elaborate down below. Now, if you want to use the latter version, you need to keep in mind the following four remarks:
Notice one needs to specify both --files-from and the source directory
One needs to explicitely specify --recursive.
The file...
Download data url file
...st calling a.click() directly would not work but it worket with the event. Now they both work.
– Zibri
Mar 17 '19 at 9:48
1
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From io.Reader to string in Go
...uf.Bytes()
s := *(*string)(unsafe.Pointer(&b))
There we go, you have now efficiently converted your byte array to a string. Really, all this does is trick the type system into calling it a string. There are a couple caveats to this method:
There are no guarantees this will work in all go com...