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Using Regex to generate Strings rather than match them
...-3]([a-c]|[e-g]{1,2})");
// generate the second String in lexicographical order that matches the given Regex.
String secondString = generex.getMatchedString(2);
System.out.println(secondString);// it print '0b'
// Generate all String that matches the given Regex.
List<String> matchedStrs = g...
Linq to Objects: does GroupBy preserve order of elements?
Does Enumerable.GroupBy from LINQ to Objects preserve order of elements in the groups?
1 Answer
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Static nested class in Java, why?
... compiler will implicitly prepend the arg sequence of every constructor in order to pass a reference of an instance of the enclosing class. Pretty simple.
– tonix
Mar 12 '15 at 6:55
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Calculate a Running Total in SQL Server
...ou to do things like:
SELECT somedate, somevalue,
SUM(somevalue) OVER(ORDER BY somedate
ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
AS RunningTotal
FROM Table
SQL Server gives you no clean solution to this problem. My gut is telling me that this is one of those rare c...
How to create .pfx file from certificate and private key?
...
In order to get this to work on openssl 1.0.2m I had to specify -certfile intermediate.crt -certfile rootca.crt before I was prompted to protect the .pfx with a passphrase/password. I believe this is possibly because the .key di...
Why git AuthorDate is different from CommitDate?
...could happen if you make your commit and send your patch to another one in order to apply the patch in another repo: the author date will be the date of your git commit, the commit date will be set to that date when the patch is applied in the other repo.
If you send the patch to two colleagues, th...
“Cloning” row or column vectors
...es:
np.outer(np.ones(n), x)
gives n repeating rows. Switch the argument order to get repeating columns. To get an equal number of rows and columns you might do
np.outer(np.ones_like(x), x)
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Merging: Hg/Git vs. SVN
...om revision 2 (hello.en.txt). Handling this case is of course essential in order to support refactoring and refactoring is exactly the kind of thing you will want to do on a branch.
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Generate Java classes from .XSD files…?
...t(name="Item") indicates that I want to be the root element.
@XmlType(propOrder = {"name", "price"}) indicates the order that I want the element to be arranged in XML output.
@XmlAttribute(name="id", ...) indicates that id is an attribute to root element.
@XmlElement(....) indicates that I want pr...
XmlSerializer giving FileNotFoundException at constructor
...ms code generation nor does it perform compilation with the C# compiler in order to create a serializer assembly at runtime, unless explicitly forced to by setting a configuration file setting (useLegacySerializerGeneration). This change removes the dependency on csc.exe and improves startup perform...