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git: Your branch is ahead by X commits
How does this actually come about?
18 Answers
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Convert xlsx to csv in Linux with command line
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The Gnumeric spreadsheet application comes with a command line utility called ssconvert that can convert between a variety of spreadsheet formats:
$ ssconvert Book1.xlsx newfile.csv
Using exporter Gnumeric_stf:stf_csv
$ cat newfil...
How do you serve a file for download with AngularJS or Javascript?
I have some text in a hidden textarea. When a button is clicked I would like to have the text offered for download as a .txt file. Is this possible using AngularJS or Javascript?
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“ClickOnce does not support the request execution level 'requireAdministrator.'”
...thing working before I added the other touches, such as a description or name.
Out of the blue, I get an error that will not go away. ClickOnce does not support the request execution level 'requireAdministrator'. Now, I hadn't touched ClickOnce in this application. All I had done was include a ...
Undo changes in entity framework entities
this might be a trivial question but: Since ADO.NET entity framework automatically tracks changes (in generated entities) and therefore keeps the original values, how can I rollback changes made to the entity objects?
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HTML5 Number Input - Always show 2 decimal places
...ered Mar 28 '14 at 16:11
Guilherme FerreiraGuilherme Ferreira
3,44766 gold badges2424 silver badges3737 bronze badges
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psql: FATAL: role “postgres” does not exist
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NOTE: If you installed postgres using homebrew, see the comment from @user3402754 below.
Note that the error message does NOT talk about a missing database, it talks about a missing role. Later in the login process it might also stumble over the missing database....
Value cannot be null. Parameter name: source
This is probably the biggest waste of time problem I have spent hours on solving for a long time.
18 Answers
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How to turn off the Eclipse code formatter for certain sections of Java code?
I've got some Java code with SQL statements written as Java strings (please no OR/M flamewars, the embedded SQL is what it is - not my decision).
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usr/bin/ld: cannot find -l
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If your library name is say libxyz.so and it is located on path say:
/home/user/myDir
then to link it to your program:
g++ -L/home/user/myDir -lxyz myprog.cpp -o myprog
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