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How to stop Eclipse formatter from placing all enums on one line
...indow > Preferences > Java > Code Style > Formatter
Click Edit
Select the Line Wrapping tab
Select the enum declaration treenode
Set Line wrapping policy to Wrap all elements, every element on a new line (...) so it now says 3 of 3 in the parenthesis.
Uncheck Force split, even if line sh...
JavaScript open in a new window, not tab
I have a select box that calls window.open(url) when an item is selected. Firefox will open the page in a new tab by default. However, I would like the page to open in a new window, not a new tab.
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How to return an array from JNI to Java?
... (JNIEnv *env, jobject jobj){
jobjectArray ret;
int i;
char *message[5]= {"first",
"second",
"third",
"fourth",
"fifth"};
ret= (jobjectArray)env->NewObjectArray(5,
...
Undo git pull, how to bring repos to old state
...unning "gitk --all from your git command line"), it's simple. Just run it, select the commit you want to rollback to (right-click), and select "Reset master branch to here". If you have no uncommited changes, chose the "hard" option.
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How to read lines of a file in Ruby
... to Linux standard "\n" before parsing the lines.
To support the "\r" EOL character along with the regular "\n", and "\r\n" from Windows, here's what I would do:
line_num=0
text=File.open('xxx.txt').read
text.gsub!(/\r\n?/, "\n")
text.each_line do |line|
print "#{line_num += 1} #{line}"
end
Of...
Twig ternary operator, Shorthand if-then-else
...
{{ (ability.id in company_abilities) ? 'selected' : '' }}
The ternary operator is documented under 'other operators'
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Disable XML validation in Eclipse
...ngs (disable the validation for this project): Right-click on the project, select Properties > Validation and uncheck the manual and build for: XML Schema Validator, XML Validator
Right-click on the project and select Validate to make the errors disappear.
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Getting command-line password input in Python
...s function requires a proper terminal, so it can turn off echoing of typed characters – see “GetPassWarning: Can not control echo on the terminal” when running from IDLE for further details.
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List tables in a PostgreSQL schema
...
You can select the tables from information_schema
SELECT * FROM information_schema.tables
WHERE table_schema = 'public'
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How to specialize std::hash::operator() for user-defined type in unordered containers?
... slap them on the wrists already at the stage where their class contains a char*!
– Kerrek SB
Nov 16 '11 at 22:12
Hmm....