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Using git repository as a database backend
...the blob.
$ cat changed_file | git hash-object -t blob -w --stdin
da39a3ee5e6b4b0d3255bfef95601890afd80709
# Add the changed file (using the object hash) to the user-specific index
# N.B. When adding new files, --add is required
$ GIT_INDEX_FILE=user_index_file git update-index --cacheinfo 100644 &...
Best way to represent a fraction in Java?
...id main(String args[]) {
BigRational r1 = BigRational.valueOf("3.14e4");
BigRational r2 = BigRational.getInstance(111, 7);
dump("r1", r1);
dump("r2", r2);
dump("r1 + r2", r1.add(r2));
dump("r1 - r2", r1.subtract(r2));
dump("r1 * r2", r1.multipl...
What does the “yield” keyword do?
... i += 1
>>> makeRange(5)
<generator object makeRange at 0x19e4aa0>
To force the generator to immediately return its pending values, you can pass it into list() (just like you could any iterable):
>>> list(makeRange(5))
[0, 1, 2, 3, 4]
Comparing example to "just retu...
What is the maximum length of a URL in different browsers?
...an/MKLzaR7tIbxczCCCCACCCCACCCCACCCCACCMZkwKCTsGZPMBHL9M8KFUj4pcgcRnZsLM5A2Ne4HVaIbolKyx8J8g9xiYL/IzEc/snkseoNfqip6L00qSprXJIQ2A3ndaPJuvU6rknip6EOpBUykZTfapG7LKKVU6Sm0qEPJJVd6E7M8yG2Z9MUmlI0x3F2dXoaobbixF73sPXEfSFfLqMBluk0SHuwVgVBIKjEwyyN8oV6BoDOQvjIp3QsQcjY58l/orbbeEentEzzTzZVCVlyULTLl+XMxMzcmwyPhZn...