Extract digits from string

How do I extract digits from a string? Use the regular expression [^0-9] to find non-integer characters in the string and replace them with an empty value using the method replaceAll.  How to extract digits from a string in Java? The task is to extract all the integers from the given string.Approach 1: Replace all

Defining projection for FEWS rainfall data in ArcMap?

How do I assign a projection in ArcMap? Answer Open ArcToolbox and select Data Management Tools > Projections and Transformations > Define Projection. Choose the appropriate coordinate system. You have to define it as what it is, not as what you want it to be. Once the projection is defined correctly, the projection can be

Uncaught type error:dom is undefined

How to fix uncaught type error in JavaScript? As expected, the “uncaught typeerror: cannot read property” error was thrown at us because JavaScript code before the h1 element could be registered to the DOM. To fix this problem, always put your script element before the closing body tag; that is, below every other DOM element

QGIS 2.0 – can’t select items in Print Composer

How do I print from QGIS? QGIS Introduction: Print Your Map If you want to print your map you will need to use the Print Composer: While in the map canvas, click on the “Project” and then select “New Print Composer.” You will need to name the Print Composer. Add items, edit the items and

Leaflet mouse wheel zoom only after click on map

Why does my mouse scroll wheel keep zooming? You’re likely to come across this issue if the Ctrl key is stuck. That’s because pressing Ctrl and using the mouse wheel usually zooms in or out on a page. So, just take a look at the Ctrl key and ensure that it’s not stuck or damaged. 

Iterating over dates to extract precipitation in Google Earth Engine

How do you use loops in Google Earth Engine? For Loops. The use of for-loops is discouraged in Earth Engine. The same results can be achieved using a map() operation where you specify a function that can be independently applied to each element. This allows the system to distribute the processing to different machines. How

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