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How to declare a global variable in JavaScript?
...ar = "This is global!";
While it is possible to define a global variable by just omitting var (assuming there is no local variable of the same name), doing so generates an implicit global, which is a bad thing to do and would generate an error in strict mode.
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Show a PDF files in users browser via PHP/Perl
...der with a value of inline.
Also remember that this will also be affected by browser settings - some browsers may be configured to always download PDF files or open them in a different application (e.g. Adobe Reader)
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How can I check if character in a string is a letter? (Python)
...Letters with Numbers:
abcdefg hi j 12345
Result:
Letters = 10
Digits = 5
By using str.isalpha() you can check if it is a letter.
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What does the construct x = x || y mean?
...stion
Now, when you know how || operator works, you can probably make out by yourself what does x = x || y mean. If x is truthy, x is assigned to x, so actually nothing happens; otherwise y is assigned to x. It is commonly used to define default parameters in functions. However, it is often conside...
Understanding :source option of has_one/has_many through of Rails
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Different results with Java's digest versus external utilities
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string path = "c:/Windows/System32/Calc.exe";
var bytes = md5.ComputeHash(File.ReadAllBytes(path));
Console.WriteLine(BitConverter.ToString(bytes));
}
}
}
And here's a console session (minus chatter from the compiler):
c:\users\jon\Test>csc /pla...
How to use Git for Unity3D source control?
...commit history bloats. We have solved this potential issue in our projects by only versioning the binary asset when it is considered final. Our 3D artists use Dropbox to work on WIP assets, both for the reason above and because it's much faster and simpler (not many artists will actively want to use...
Move layouts up when soft keyboard is shown?
...tom attribute set, when the soft keyboard comes up the elements are hidden by the soft keyboard.
19 Answers
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Turn off deprecated errors in PHP 5.3
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You can do it in code by calling the following functions.
error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE);
or
error_reporting(E_ALL ^ E_DEPRECATED);
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How to run .APK file on emulator [duplicate]
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Step-by-Step way to do this:
Install Android SDK
Start the emulator by going to $SDK_root/emulator.exe
Go to command prompt and go to the directory $SDK_root/platform-tools (or else add the path to windows environment)
Type in t...