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All combinations of a list of lists
...r ; is not really a statement terminator when you do something like print("foo");; which is perfectly legal in C or Java (albeit pointless) but banned in Python.
– Matthew Flaschen
Apr 28 '09 at 23:55
...
Regular expression to match URLs in Java
...word boundary or end of
// input. This is to stop foo.sure from
// matching as foo.su
public static final Pattern EMAIL_ADDRESS
= Pattern.compile(
"[a-zA-Z0-9\\+\\.\\_\\%\\-\\+]{1,256}" +
"\\@" +
"[a-zA...
Is there a /dev/null on Windows?
... @capthive: There's a difference between /dev/null.txt and /dev/null/foo.txt.
– Jon Skeet
Apr 27 '10 at 5:26
2
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Unix's 'ls' sort by name
...ult, and thus may produce surprising results in some cases (for instance, %foo will sort between bar and quux in LANG=en_US). If you want an ASCIIbetical sort, use
LANG=C ls
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Ignoring new fields on JSON objects using Jackson [duplicate]
...vidual methods):
@JsonIgnoreProperties(ignoreUnknown = true)
public class Foo {
...
}
Depending on the jackson version you are using you would have to use a different import in the current version it is:
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
in older versions it has...
stdlib and colored output in C
...prev settings
#define LOG_RED(X) printf("%s %s %s",Color_Red,X,Color_end)
foo()
{
LOG_RED("This is in Red Color");
}
Like wise you can select different color codes and make this more generic.
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Convert JSON String to Pretty Print JSON output using Jackson
....ObjectMapper;
import org.codehaus.jackson.map.ObjectWriter;
public class Foo
{
public static void main(String[] args) throws Exception
{
ObjectMapper mapper = new ObjectMapper();
MyClass myObject = mapper.readValue(new FileReader("input.json"), MyClass.class);
// this is Jackson 1....
How to update the value stored in Dictionary in C#?
...
Here is a way to update by an index much like foo[x] = 9 where x is a key and 9 is the value
var views = new Dictionary<string, bool>();
foreach (var g in grantMasks)
{
string m = g.ToString();
for (int i = 0; i <= m.Length; i++)
{
views[vi...
How to convert a JSON string to a Map with Jackson JSON
...eaderFor(Map.class);
Map<String, String> map = reader.readValue("{\"foo\":\"val\"}");
Note that reader instance is Thread Safe.
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How can you run a command in bash over until success
...azmeuk: Try something like until passwd || (( count++ >= 5 )); do echo "foo"; done (bash only, make sure to set count to 0 if that varaible exists) If you need this for plain sh, increment the counter in the body and use [ ]
– Justin Sane
Aug 5 '15 at 11:53
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