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How to check if string input is a number? [duplicate]
How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)?
24 Answers
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What is the difference between window, screen, and document in Javascript?
... window object and has properties available to it like title, URL, cookie, etc. What does this really mean? That means if you want to access a property for the window it is window.property, if it is document it is window.document.property which is also available in short as document.property.
Th...
Get last dirname/filename in a file path argument in Bash
...ad only the last directory in the directory string passed to the script in order to checkout to the same sub-directory where our projects are hosted.
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Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
... if we'd say January Five, January Sixth, instead of January 5, January 6, etc., then perhaps they'd have made a 0-based enumeration for days too...
Perhaps subconsciously they thought about an enumeration for months as {January, February, ...} and for days as {One, Two, Three, ...}, except for day...
Why should I capitalize my SQL keywords? [duplicate]
...adable. You can easily separate the keywords from table and column names, etc.
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Build fat static library (device + simulator) using Xcode and SDK 4+
...cript to let you auto-include Bundles (i.e. include PNG files, PLIST files etc from your library!) - see below (scroll to bottom)
now supports iPhone5 (using Apple's workaround to the bugs in lipo). NOTE: the install instructions have changed (I can probably simplify this by changing the script in f...
How can one print a size_t variable portably using the printf family?
...nu says %zu (or %zx, or %zd but that displays it as though it were signed, etc.)
Microsoft says %Iu (or %Ix, or %Id but again that's signed, etc.) — but as of cl v19 (in Visual Studio 2015), Microsoft supports %zu (see this reply to this comment)
...and of course, if you're using C++, you can u...
how to deal with google map inside of a hidden div (Updated picture)
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In order to keep the original center of the map right after resizing, consider extending the resize statement this way: var center = map.getCenter(); google.maps.event.trigger(map, 're...
Create new user in MySQL and give it full access to one database
...is the command used to create users and grant rights to databases, tables, etc.
ALL PRIVILEGES - This tells it the user will have all standard privileges. This does not include the privilege to use the GRANT command however.
dbtest.* - This instructions MySQL to apply these rights for use in the e...
Enabling error display in PHP via htaccess only
...n to the log file and then add the code
<Files php_errors.log>
Order allow,deny
Deny from all
Satisfy All
</Files>
at the end of .htaccess.
This will protect your log file.
These options are suited for a development server. For a production server you should not displa...