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What is the minimum I have to do to create an RPM file?
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Better way to check if a Path is a File or a Directory?
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Simplest way to serve static data from outside the application server in a Java web application
...u can call it by http://example.com/files/image.png. This way you can have more control over the requests than the DefaultServlet does, such as providing a default image (i.e. if (!file.exists()) file = new File("/path/to/files", "404.gif") or so). Also using the request.getPathInfo() is preferred a...
How to initialize log4j properly?
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I really wish manuals would emphasize more that -Dlog4j.debug can help debug your configuration.
– Sridhar Sarnobat
Jan 15 '19 at 23:33
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How to set a default value for an existing column
...If anything, they are relaxations; the opposite of a constraint! They make more things valid, not fewer.
– Roman Starkov
May 11 '13 at 12:06
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Map.clear() vs new Map : Which one will be better? [duplicate]
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I thought Creating object in java more expensive in terms of memory,so it is better to you go with .clear(),so you are using same object instead of creating new one
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Check if application is installed - Android
...s in a PackageManager instead of a Context, so that the method is slightly more flexibly usable and doesn't violate the law of Demeter. You can use the method without access to a Context instance, as long as you have a PackageManager instance.
Use it like this:
public void someMethod() {
// .....
Is a URL allowed to contain a space?
Is a URI (specifically an HTTP URL) allowed to contain one or more space characters? If a URL must be encoded, is + just a commonly followed convention, or a legitimate alternative?
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Is there a faster/shorter way to initialize variables in a Rust struct?
...y question and with the default. That certainly suits me better and is far more concise. Being unfamiliar with the syntax, one minor problem that I had was not knowing the syntax for ALL defaults. IE: I used "= cParams{iInsertMax : 10, ..Default::default()};", but I actually want "iInstanceMax" to a...
How to get duplicate items from a list using LINQ? [duplicate]
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