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Custom numeric format string to always display the sign
...string MyString = number.ToString("+0;-#");
Where each section separated by a semicolon represents positive and negative numbers
or:
string MyString = number.ToString("+#;-#;0");
if you don't want the zero to have a plus sign.
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PostgreSQL naming conventions
... convenient to stick to that naming for those sequences if you create them by hand (tablename_colname_seq).
See also some discussion here, here and (for general SQL) here, all with several related links.
Note: Postgresql 10 introduced identity columns as an SQL-compliant replacement for serial.
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Specify width in *characters*
...width character. However, that is "typography proper" and we have many fly-by-night folks out there creating font files which do not adhere to typographic rules — especially true in the case of web fonts. The point of my comment here is not (merely) curmudgeonly grandstanding. My point is: test, t...
How do I setup a SSL certificate for an express.js server?
... This is years too late, but the SSL_PROTOCOL_ERROR can be caused by the fact that you're using http://<ssl_enabled_endpoint>. It should be https://<ssl_enabled_endpoint>
– andreimarinescu
Sep 14 '16 at 10:56
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Can Android Studio be used to run standard Java projects?
... some precomputed files to function. These precomputed files are generated by some Java code. Since these two things go hand in hand, it makes the most sense to have both of these modules in the same project.
NEW - How to enable Kotlin in your standalone project
If you want to enable Kotlin inside...
How do I remove a single file from the staging area (undo git add)?
... commited from the stage use the command git rm --cached FILE as suggested by another answer.
– chmike
Jan 17 '16 at 15:42
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Can Android do peer-to-peer ad-hoc networking?
...es can implement their distributed applications (file sharing, games, ...) by simply including the library .jar file in their android projects.
it's all open source by the way
http://code.google.com/p/adhoc-on-android/
sha...
How to specify more spaces for the delimiter using cut?
... | grep '[j]boss' | sed 's/\s\s*/ /g' | cut -d' ' -f5
That grep trick, by the way, is a neat way to only get the jboss processes and not the grep jboss one (ditto for the awk variant as well).
The grep process will have a literal grep [j]boss in its process command so will not be caught by the ...
Get specific line from text file using just shell script
...is seems more logical to remember for newbies, because -n means "no output by default" and p stands for "print", and there's no potentially confusing mention of deleting (when people talk of files, deleting lines tends to mean something different).
– Josip Rodin
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How do I remove all non-ASCII characters with regex and Notepad++?
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In addition to the answer by ProGM, in case you see characters in boxes like NUL or ACK and want to get rid of them, those are ASCII control characters (0 to 31), you can find them with the following expression and remove them:
[\x00-\x1F]+
In orde...