Sara questions

• How can I remove lines from .txt files using a loop?
• iterate through all the values of a key in hashtable java
• AngularJS: change color of a cell based on a condition ng-grid
• perl one liner to search for a pattern
• Android: change color of rectangle at runtime
• Java: how String.contains(string) function works in java?
• how to draw curved line in Matlab
• bash delete a line from a file, permanently
• How to show certain column of a record using sed
• find all minimum elements of 2 dimensional array in Matlab

Sara answers