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Adding dictionaries together, Python [duplicate]
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The first line fails if the keys are anything other than strings.
– Flimm
Mar 14 '16 at 15:49
1
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How to read/write a boolean when implementing the Parcelable interface?
...t generates the following:
public class YourClass implements Parcelable{
String someString;
int someInt;
boolean someBoolean;
List<String> someList;
protected YourClass(Parcel in) {
someString = in.readString();
someInt = in.readInt();
someBoolean = in.readByte() != 0;
someL...
What is the difference between getFields and getDeclaredFields in Java reflection
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As already mentioned, Class.getDeclaredField(String) only looks at the fields from the Class in which you call it.
If you want to search a Field in the Class hierarchy, you can use this simple function:
/**
* Returns the first {@link Field} in the hierarchy for the s...
Delete files older than 3 months old in a directory using .NET
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Something like this outta do it.
using System.IO;
string[] files = Directory.GetFiles(dirName);
foreach (string file in files)
{
FileInfo fi = new FileInfo(file);
if (fi.LastAccessTime < DateTime.Now.AddMonths(-3))
fi.Delete();
}
...
Ordering by specific field value first
... FIELD() docs, I am pretty sure there isn't any way to evaluate this as substrings, as each argument has to be some kind of string. There may be some string manipulation functions that could help, but I'm not sure.
– Nerdmaster
Aug 8 '18 at 18:48
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How to create a file in Ruby
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Use:
File.open("out.txt", [your-option-string]) {|f| f.write("write your stuff here") }
where your options are:
r - Read only. The file must exist.
w - Create an empty file for writing.
a - Append to a file.The file is created if it does not exist.
r+ ...
What are Runtime.getRuntime().totalMemory() and freeMemory()?
...ailable in jvm.
public class MemoryTest {
public static void main(String args[]) {
System.out.println("Used Memory : " + (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) + " bytes");
System.out.println("Free Memory : " + Runtime.g...
How to word wrap text in HTML?
...the word to be wrapped is an overly.long.java.package.name or some similar string with many dots. then you can add the &shy; after each dot.
– dokaspar
Aug 29 '12 at 14:12
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Determine the type of an object?
...t question, don't use type - use isinstance:
def foo(obj):
"""given a string with items separated by spaces,
or a list or tuple,
do something sensible
"""
if isinstance(obj, str):
obj = str.split()
return _foo_handles_only_lists_or_tuples(obj)
This covers the cas...
Regular Expression: Any character that is NOT a letter or number
...lace(/[^\w]/);
It will replace all the non-alphabets and numbers from your string!
Edit 1: str.replace(/[^\w]/g, ' ')
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