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Improve INSERT-per-second performance of SQLite
Optimizing SQLite is tricky. Bulk-insert performance of a C application can vary from 85 inserts per second to over 96,000 inserts per sec...
Why does changing 0.1f to 0 slow down performance by 10x?
Welcome to the world of denormalized floating-point ! They can wreak havoc on performance!!! Denormal (or subnormal) numbers are kind o...
How do I convert a String to an int in Java?
String myString = "1234" ; int foo = Integer.parseInt(myString); int foo; try { foo = Integer.parseInt(myString); } c...
What does the ??!??! operator do in C?
??! is a trigraph that translates to | . So it says: !ErrorHasOccured() || HandleError(); which, due to short circuiting, is equivalent ...
Does Python have a ternary conditional operator?
Yes, it was added in version 2.5. The expression syntax is: a if condition else b First condition is evaluated, then exactly one o...
Does Python have a string 'contains' substring method?
You can use the in operator : if "blah" not in somestring: continue If it's just a substring search you can use ...
What is the difference between String and string in C#?
string is an alias in C# for System.String . So technically, there is no difference. It's like int vs. System.Int32 . As far ...
Convert bytes to a string
You need to decode the bytes object to produce a string: >>> b"abcde" b'abcde' # utf-8 is used here because ...
How do I compare strings in Java?
== tests for reference equality (whether they are the same object). .equals() tests for value equality (whether they are logically &quo...
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