Welcome to strchr, a wiki where you can share your programming tips and contribute to research projects.
Work in progress
Inlined and optimized functions can be used as macros.
Discussion: the first language 
What programming language to learn first?
The minimal reading list to become a good programmer.
Algorithms
Benchmark program for hash tables and comparison of 15 popular hash functions.
Multi-stage tables for storing Unicode character properties
A data structure for storing the properties of Unicode characters.
Spelling messages like "1 file found" or "5 files found" correctly in any language.
Using ternary DAGs for spelling correction
A ternary DAG structure for storing dictionaries.
Designing an effective algorithm for finding identical files.
Assembly language and machine code
One-page reference for Win32 assembly language programming.
Which instructions and addressing modes are used most often. What is the average instruction length.
One assembly language instruction can be encoded differently in machine code. Possible applications are steganography and compiler identification.
Low-level code optimization
How to make you code shorter and easier to maintain by using arrays.
What your compiler can do for you
You should not obfuscate you code with low-level optimizations: your compiler can do them for you.
Performance measurements with RDTSC
A method for measuring performance with RDTSC instruction.
Branchless abs function for x86 processors.
Unrolling the loop in strlen function.
Optimising strlen function using SSE2 SIMD instructions.
Sentinel for string manipulations
A method for optimizing search functions.
Strcmp and strlen using SSE 4.2
Using new Intel Core i7 instructions to speed up string manipulation.
Standard deviation in one pass
An example of using algebraic transformations for code optimization.
Checking if point belongs to interval
How to replace two comparisons with one.
Interfaces
Designing a database interface for web programming.
Software interface design tips
How to design easy-to-use interfaces between modules of your program.
Interpreters and compilers
Designing and implementing a small expression compiler to native x86 code.
Win32 programming
Techniques for creating SFX archives and interpreters.
alloca is useful for small arrays or strings, but can be dangerous if the array is larger than you expected.
Enabling additional compiler warnings
How to catch more bugs with MSVC++.
Detecting access to freed memory
Improving MSVC++ free function.
A technique for debugging complex parsers.
Corrections to Raymond Chen's wheel scrolling code
For one rotation of the wheel, never scroll the window by more than one page.
Dark corners in Microsoft's documentation
Locale IDs are hexadecimal. Saving user data on shutdown.
