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How to gzip all files in all sub-directories into one compressed file in bash
This post describes how to gzip each file individually within a directory structure. However, I need to do something slightly different. I need to produce one big gzip file for all files under a certain directory. I also need to be able to specify the output filename for the compressed file (e.g., ...
How to loop through a HashMap in JSP?
... scriptlets (raw Java code in JSP files, those <% %> things) are considered a poor practice. I recommend to install JSTL (just drop the JAR file in /WEB-INF/lib and declare the needed taglibs in top of JSP). It has a <c:forEach> tag which can iterate over among others Maps. Every iterati...
Function to return only alpha-numeric characters from string?
...k on any data, not just on moldy old ASCII. :) Hence the mantra that this side of Millennium, [A-Z] is always wrong, sometimes .
– tchrist
Mar 4 '11 at 21:05
...
How to remove specific element from an array using python
...
Using filter() and lambda would provide a neat and terse method of removing unwanted values:
newEmails = list(filter(lambda x : x != 'something@something.com', emails))
This does not modify emails. It creates the new list newEmails containing only elements f...
Java reflection - impact of setAccessible(true)
...lass MyClass {
private String theField;
}
public static void main(String[] args) throws Exception {
MyClass myClass = new MyClass();
Field field1 = myClass.getClass().getDeclaredField("theField");
field1.setAccessible(true);
System.out.println(field1....
Accessing UI (Main) Thread safely in WPF
I have an application which updates my datagrid each time a log file that I'm watching gets updated (Appended with new text) in the following manner:
...
Difference between android.app.Fragment and android.support.v4.app.Fragment
What is the difference between android.app.Fragment and android.support.v4.app.Fragment , and what are the circumstances in which each should be used?
...
Nested rows with bootstrap grid system?
...s great documentation:
3.x Docs: https://getbootstrap.com/docs/3.3/css/#grid-nesting
Make sure the parent level row is inside of a .container element. Whenever you'd like to nest rows, just open up a new .row inside of your column.
Here's a simple layout to work from:
<div class="container"&...
Why can't I assign a *Struct to an *Interface?
...yboard.Create(stack, introScene)
stack.Push(&storyboardI)
Now inside storyboard.go file Create function
type Storyboard struct {
Stack *gui.StateStack
Events []interface{} //always keep as last args
}
func Create(stack *gui.StateStack, eventsI interface{}) Storyboard {
sb :=...
cannot convert data (type interface {}) to type string: need type assertion
...tice.
Here is the explanation from a tour of go:
A type assertion provides access to an interface value's underlying concrete value.
t := i.(T)
This statement asserts that the interface value i holds the concrete type T and assigns the underlying T value to the variable t.
If i does...