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“PKIm>X m> path building failed” and “unable to find valid certification path to requested target”
...rst run I got an error about certificate sun.security.validator.ValidatorEm>x m>ception and sun.security.provider.certpath.SunCertPathBuilderEm>x m>ception . Then I added twitter certificate by:
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Constant Amortized Time
What is meant by "Constant Amortized Time" when talking about time complem>x m>ity of an algorithm?
6 Answers
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Shall we always use [unowned self] inside closure in Swift
... to make sure that it is still around by the time the closure is called.
Em>x m>ample: Making an asynchronous network request
If you are making an asynchronous network request you do want the closure to retain self for when the request finishes. That object may have otherwise been deallocated but you s...
Does Java SE 8 have Pairs or Tuples?
...d with lazy functional operations in Java SE 8, and I want to map an indem>x m> i to a pair / tuple (i, value[i]) , then filter based on the second value[i] element, and finally output just the indices.
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How can prepared statements protect from SQL injection attacks?
...separately.
That's all.
The root of the SQL injection problem is in the mim>x m>ing of the code and the data.
In fact, our SQL query is a legitimate program.
And we are creating such a program dynamically, adding some data on the fly. Thus, the data may interfere with the program code and even alte...
Unit Testing C Code [closed]
...orked on an embedded system this summer written in straight C. It was an em>x m>isting project that the company I work for had taken over. I have become quite accustomed to writing unit tests in Java using JUnit but was at a loss as to the best way to write unit tests for em>x m>isting code (which needed re...
Avoid synchronized(this) in Java?
...ally. What it amounts to is that this use of this is part of your class' em>x m>posed interface, and should be documented. Sometimes the ability of other code to use your lock is desired. This is true of things like Collections.synchronizedMap (see the javadoc).
All synchronized methods within the ...
When to use dynamic vs. static libraries
...l), which has all but been eliminated by more recent Windows OSes (Windows m>X m>P in particular).
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“Large data” work flows using pandas
...o an operation (in-memory), create new columns, save these.
(Giving a toy em>x m>ample could enable us to offer more specific recommendations.)
After that processing, then what do you do? Is step 2 ad hoc, or repeatable?
Input flat files: how many, rough total size in Gb. How are these organized e.g. by ...
PreparedStatement IN clause alternatives?
...ns are:
Prepare SELECT my_column FROM my_table WHERE search_column = ?, em>x m>ecute it for each value and UNION the results client-side. Requires only one prepared statement. Slow and painful.
Prepare SELECT my_column FROM my_table WHERE search_column IN (?,?,?) and em>x m>ecute it. Requires one prepared s...