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How to directly initialize a HashMap (in a literal way)?
... entry("a", "b"),
entry("c", "d")
);
In the example above both test and test2 will be the same, just with different ways of expressing the Map. The Map.of method is defined for up to ten elements in the map, while the Map.ofEntries method will have no such limit.
Note that in this case the r...
How do I load the contents of a text file into a javascript variable?
I have a text file in the root of my web app http://localhost/foo.txt and I'd like to load it into a variable in javascript.. in groovy I would do this:
...
Is there a performance gain in using single quotes vs double quotes in ruby?
...gle quotes in ruby decreases performance in any meaningful way in ruby 1.8 and 1.9.
14 Answers
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How to implement LIMIT with SQL Server?
...esOrderHeader
)
SELECT *
FROM OrderedOrders
WHERE RowNumber BETWEEN 10 AND 20;
or something like this for 2000 and below versions...
SELECT TOP 10 * FROM (SELECT TOP 20 FROM Table ORDER BY Id) ORDER BY Id DESC
share
...
Environment variable to control java.io.tmpdir?
...
Hmmm -- since this is handled by the JVM, I delved into the OpenJDK VM source code a little bit, thinking that maybe what's done by OpenJDK mimics what's done by Java 6 and prior. It isn't reassuring that there's a way to do this other than on Win...
Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
...
Precedence and bitmask operations
...ses make code more readable. In extreme cases you might want to (re-)group and short-comment stuff.
– No answer
Feb 24 '14 at 10:35
2
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Avoid trailing zeroes in printf()
...ll remove all but the first N decimals, then strip off the trailing zeros (and decimal point if they were all zeros).
char str[50];
sprintf (str,"%.20g",num); // Make the number.
morphNumericString (str, 3);
: :
void morphNumericString (char *s, int n) {
char *p;
int count;
p = str...
log4net argument to LogManager.GetLogger
...the reason. I do it that way so I don't have to worry about the class name and can just copy and paste boiler plate code in a new class.
For the official answer, see: How do I get the fully-qualified name of a class in a static block? at the log4net faq
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differences in application/json and application/x-www-form-urlencoded
...
@buffer My understanding is using JSON as contentType helps when the data to be sent is more complex and involves a lot of hierarchy.. whereas form encoded is good to send simple params in url which can be read at the backend without to much c...