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Java String - See if a string contains only numbers and not letters

... In order to simply check the string that it contains only ALPHABETS use the following code : if (text.matches("[a-zA-Z]+"){ // your operations } In order to simply check the string that it contains only NUMBER use the foll...
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Logging levels - Logback - rule-of-thumb to assign log levels

...significant happened; a new user came to the site, a page was rendered, an order was taken, a price was updated. This is the stuff excluded from info because there would be too much of it. Trace is something i have never actually used. ...
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Why is there no Tree class in .NET?

... Beware that elements are un-ordered this way – Sebastian Aug 2 '16 at 10:15 ...
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Is there an S3 policy for limiting access to only see/access one bucket?

... In order to see the list of buckets in the console (and therefore use the console for bucket access) you must grant ListAllMyBuckets and GetBucketLocation for all S3 buckets ("arn:aws:s3:::*" will work rather than "*" for the re...
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How to make a website secured with https

... prepare my website for https. (Do I need to alter the code / Config) In order to enable SSL (Secure Sockets Layer) for your website, you would need to set-up a certificate, code or config is not altered. I have enabled SSL for an internal web-server, by using OpenSSL and ActivePerl from this onl...
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How to declare global variables in Android?

...ate with the Application subclass. NOTE 1: Also as anticafe commented, in order to correctly tie your Application override to your application a tag is necessary in the manifest file. Again, see the Android docs for more info. An example: <application android:name="my.application.MyApp" ...
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Are strongly-typed functions as parameters possible in TypeScript?

... a function. They're usually applied in the function signature of a higher-order function. A higher-order function is a function which accepts functions as parameters or which returns a function. It has the following syntax: (arg1: Arg1type, arg2: Arg2type) => ReturnType Example: type Functio...
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How can I include raw JSON in an object using Jackson?

...N inside a Java object when the object is (de)serialized using Jackson. In order to test this functionality, I wrote the following test: ...
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Why do people hate SQL cursors so much? [closed]

...ause on a relational database, the performance of code using cursors is an order of magnitude worse than set-based operations. share | improve this answer | follow ...
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doesn't inherit the font from

...adding either. But when I mess with certain properties, like background, border, or this strange appearance property, then font-family and padding have effect, but the native look and feel of the button is lost, which is not a problem if you are completely restyling the buttons. If you want a nati...