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How to determine CPU and memory consumption from inside a process?
...x these parts can be replaced by getrusage() and similar functions?
If someone with Unix know-how could edit this answer and fill in the details?!
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Are there strongly-typed collections in Objective-C?
I'm new to Mac/iPhone programming and Objective-C. In C# and Java we have "generics", collection classes whose members can only be of the type declared. For example, in C#
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Passing an array to a query using a WHERE clause
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for newbies to PHP like myself, can someone explain, or point me to a resource to explain, why this is prone to injection and how this should be done correctly to prevent that? What if the list of IDs is generated from a query immediately before this next query is...
Activity transition in Android
... a fade transition either. The new activity just appears over the previous one in a Nexus One device.
– hpique
Aug 2 '10 at 16:33
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...multiplied my sum of squared by rsqrt of it, which is exactly what you've done in your tests), and it performed better.
2. Computing rsqrt using simple lookup table might be easier, as for rsqrt, when x goes to infinity, 1/sqrt(x) goes to 0, so for small x's the function values doesn't change (a l...
pycharm running way slow
...Every performance problem with PyCharm is unique, a solution that helps to one person will not work for another. The only proper way to fix your specific performance problem is by capturing the CPU profiler snapshot as described in this document and sending it to PyCharm support team, either by subm...
How can I reliably determine the type of a variable that is declared using var at design time?
...discover that according to the lambda binder it is System.Char, and we're done; we display type information for System.Char.
And we do everything except the "top level" analysis between keystrokes. That's the real tricky bit. Actually writing all the analysis is not hard; it's making it fast enough...
How to version control a record in a database
.... from an Oracle sequence or equivalent). Do not rely on there only being one change in a second (i.e. do not put RevisionDate into the primary key).
Now, every time you update FOO, just before you do the update you insert the old values into FOO_HISTORY. You do this at some fundamental level in ...
How do I parse a string to a float or int?
...dited Apr 8 '14 at 12:20
David Jones
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answered Dec 19 '08 at 2:31
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How to explain dependency injection to a 5-year-old? [closed]
...ant to perform unit testing.
The main problem comes when you need to test one particular object, you need to create an instance of other object, and most likely you need to create an instance of yet other object to do that. The chain may become unmanageable.
To avoid this, you could change the co...