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How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
...se's keys are working fine, and
you've sent this key back to the user 15 times.
ssh-keygen -i -f keyfile.pub > newkeyfile.pub
Should convert an existing puttygen public key to OpenSSH format.
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How to get URL parameter using jQuery or plain JavaScript?
...short and, contrary to accepted solution, doesn't need to reparse url each time you need a value. Could be slightly improved with replace(/[?&;]+([^=]+)=([^&;]*)/gi to reconize ";" character as a separator too.
– Le Droid
Feb 5 '16 at 18:16
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When and why would you seal a class?
... sounds vague but, assuming we don't write "security features" most of the time, does that mean reason #1 hardly applies? Reason #2 is for performance-tuning. How much performance difference are we talking about? Are they significant enough to justify altering a non-security class's definition? Even...
How to get JSON objects value if its name contains dots?
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What you want is:
var smth = mydata.list[0]["points.bean.pointsBase"][0].time;
In JavaScript, any field you can access using the . operator, you can access using [] with a string version of the field name.
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Returning a value from thread?
... unnecessary because no reads or writes to value are occurring at the same time. But, yeah, always be mindful of when a lock is necessary.
– Brian Gideon
Feb 23 '15 at 17:19
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How do I calculate someone's age in Java?
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Check out Joda, which simplifies date/time calculations (Joda is also the basis of the new standard Java date/time apis, so you'll be learning a soon-to-be-standard API).
EDIT: Java 8 has something very similar and is worth checking out.
e.g.
LocalDate birth...
What is the behavior difference between return-path, reply-to and from?
...body.
Now, let's describe the different "FROM"s.
The return path (sometimes called the reverse path, envelope sender, or envelope from — all of these terms can be used interchangeably) is the value used in the SMTP session in the MAIL FROM command. As you can see, this does not need to be the...
Android SQLite DB When to Close
...e when it is initialized. It is safe to leave the database open the entire time so that when someone calls my class to work with the database it is already open? Or should I open and close the database before and after each access is needed. Is there any harm in just leaving it open the whole time?
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How to calculate a logistic sigmoid function in Python?
... replace math.exp with np.exp you won't get NaNs, although you will get runtime warnings.
– Richard Rast
Jul 20 '16 at 17:18
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Fast way of finding lines in one file that are not in another?
...ion), repeated runs with chunks of file1 and reading file2 completely each time:
split -l 20000 --filter='gawk -f linesnotin.awk - file2' < file1
Note the use and placement of - meaning stdin on the gawk command line. This is provided by split from file1 in chunks of 20000 line per-invocation....