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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...tion on their use? I've read that they are similar to an 'if' 'else' statement.
7 Answers
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Tools to generate database tables diagram with Postgresql? [closed]
...'ll need to download the JDBC driver here, then your command should look something like:
java -jar schemaspy-6.0.0-rc2.jar -t pgsql -db database_name -host myhost -u username -p password -o ./schemaspy -dp postgresql-9.3-1100.jdbc3.jar -s public -noads
Sometimes using options -port will not worki...
Getting the error “Missing $ inserted” in LaTeX
...aused by the underscores and bars. These characters in LaTeX have special meaning in math mode (which is delimited by $ characters). Try escaping them; e.g. update\_element instead of update_element.
However, if you're trying to display code, a better solution would be to use the \verb command, wh...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...dited Apr 24 '14 at 22:11
Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered Jan 6 '09 at 21:07
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How to set a JVM TimeZone Properly
I am trying to run a Java program, but it is taking a default GMT timezone instead of an OS defined timezone. My JDK version is 1.5 and the OS is Windows Server Enterprise (2007)
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How do I stop Chrome from yellowing my site's input boxes?
...ete="off" to disable the autocomplete functionality. If this works in Chrome (haven't tested), you could set this attribute when an error is encountered.
This can be used for both a single element
<input type="text" name="name" autocomplete="off">
...as well as for an entire form
<for...
Getting a list of associative array keys
... reference below for browser support. It is supported in Firefox 4.20, Chrome 5, and Internet Explorer 9. Object.keys() contains a code snippet that you can add if Object.keys() is not supported in your browser.
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Deleting Objects in JavaScript
...ccessing one of them would cause a crash. To make them all turn null would mean having extra work when deleting or extra memory for each object.)
Since Javascript is garbage collected, you don't need to delete objects themselves - they will be removed when there is no way to refer to them anymore. ...
sprintf like functionality in Python
...g a C-style sprintf functionality in Python. Because of conditional statements, I can’t write them directly to the file.
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How to disable scrolling in UITableView table when the content fits on the screen
...er though, not subclassed from UITableViewController ) that 80% of the time are small and will fit on the screen. When the table fits on the screen, I'd like to disable scrolling, to make it a bit cleaner. But if the table goes off the screen (when rows are later added to it), I'd like to enable...