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How can I prevent SQL injection in PHP?
If user input is inserted without modification into an SQL query, then the application becomes vulnerable to SQL injection , like in the following example:
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How can I use pointers in Java?
...Java doesn't have pointers, but I heard that Java programs can be created with pointers and that this can be done by the few who are experts in java. Is it true?
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How to check if a process id (PID) exists
...ess, use
kill -0 $pid
But just as @unwind said, if you're going to kill it anyway, just
kill $pid
or you will have a race condition.
If you want to ignore the text output of kill and do something based on the exit code, you can
if ! kill $pid > /dev/null 2>&1; then
echo "Could ...
Warning: “format not a string literal and no format arguments”
...think NSLog() likes taking only one argument, which is what you're passing it. Also, it already does the formatting for you. Why not just do this?
NSLog(@"%@ %@, %@",
errorMsgFormat,
error,
[error userInfo]);
Or, since you say errorMsgFormat is a format string with a sin...
android studio 0.4.2: Gradle project sync failed error
...error when opening a project:
'Gradle project sync failed. Basic functionality (e.g. editing, debugging) will not work proprerly'
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Warn user before leaving web page with unsaved changes
I have some pages with forms in my application.
18 Answers
18
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Accessing constructor of an anonymous class
...I have a concrete class Class1 and I am creating an anonymous class out of it.
10 Answers
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Execute the setInterval function without delay the first time
It's there a way to configure the setInterval method of javascript to execute the method immediately and then executes with the timer
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How to automatically install Emacs packages by specifying a list of package names?
...ackages you want
(setq package-list '(package1 package2))
; list the repositories containing them
(setq package-archives '(("elpa" . "http://tromey.com/elpa/")
("gnu" . "http://elpa.gnu.org/packages/")
("marmalade" . "http://marmalade-repo.org/packa...
Convert string to variable name in JavaScript
...
If it's a global variable then window[variableName]
or in your case window["onlyVideo"] should do the trick.
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