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  <title>Alexandr Poltavsky, software developer</title>

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      Alexandr Poltavsky <br/>
      Software Developer <br/>
      Location: Russia, Moscow <br/>
      <span class="email">
      <a href="mailto:poltavsky.alexandr@gmail.com">poltavsky.alexandr&#64;gmail.com</a><br/>
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      <a href="/">Blog</a>
      <a href="https://github.com/alexpolt/">Github</a>
      <a href="https://www.shadertoy.com/user/alexpolt">Shadertoy</a>
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    <a id="main-menu-0" href="index.html">Programming</a>
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    <a id="main-menu-2" href="index-off.html">Off-topic</a>
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<div id="contents">

<ul>
<li><p><a href="named-tuple.html">nuple: a Named Tuple</a></p>

<p>I provide an elegant and useful implementation of a named tuple.</p></li>
<li><p><a href="type-loophole.html">The C++ Type Loophole</a></p>

<p>This is just awesome! For those who love C++.</p></li>
<li><p><a href="struct-tuple.html">Structure Data Members as a Type List Using Pure C++</a></p>

<p>There is no standard way of doind reflection in C++ right now. But if all you need are data member
types then this can help.</p></li>
</ul>

<blockquote>
  <p>Best way to think of algorithms is in steps (don't try to grok it as a whole)</p>
</blockquote>

<ul>
<li><p><a href="struct-layout.html">Visual C++ Struct Layout Reminder</a></p>

<p>Microsoft Visual C++ (64 bit mode) has different layout between seemingly very similar
data structures. Be warned.</p></li>
<li><p><a href="contract.html">Pattern: Narrow Contract</a></p>

<p>I wish I learned that simple software design principle earlier.</p></li>
<li><p><a href="intern.html">Useful Properties of String Interning in C++</a></p>

<p>I show how to get string interning in C++ and what benefits it brings.</p></li>
<li><p><a href="undefined.html">Undefined Behaviour and Optimizations: GCC vs Clang vs MSC</a></p>

<p>Was thinking the other day about undefined behaviour and optimizations it allows and came up
with a couple interesting short samples.</p></li>
<li><p><a href="move-noexcept.html">When should One Use r-value References and noexcept</a></p>

<p>Some thoughts on when to use move semantics and exception specifiers.</p></li>
<li><p><a href="alloc.html">Memory Allocation Wisdom</a></p>

<p>What lessons can we learn from garbage collectors.</p></li>
<li><p><a href="error-handling.html">Lets Talk About Error Handling...</a></p>

<p>What's really the right way to handle program errors? I have some ideas.</p></li>
<li><p><a href="fp-round.html">Floating Point Rounding</a></p>

<p>How to properly round a floating point number?</p></li>
<li><p><a href="member-init.html">C++ Templates and Static Initialization <del>Order</del> Hell</a></p>

<p>Ran into a nasty problem with how the global static objects are initialized in templates.</p></li>
<li><p><a href="color-throne.html">Color Throne - Brain Gymnastics</a></p>

<p>Released my first Android application on Google Play. It's a color puzzle-arcade game.
Any installs and positive reviews are much welcome.</p></li>
<li><p><a href="atomic-data.html">atomic_data: A Multibyte General Purpose Lock-Free Data Structure</a></p>

<p>My <strong>greatest</strong> work so far. I am writing about lock-free programming gotchas and also present
a hopefully novel design: <strong>atomic_data</strong>.</p></li>
<li><p><a href="macros-checking.html">Using Macro Kung Fu to Easier Check Function Return Values</a></p>

<p>Checking multiple function calls with one macro.</p></li>
</ul>

<blockquote>
  <p>Program execution could be viewed as data flowing across scopes.</p>
</blockquote>

<ul>
<li><p><a href="empty-value.html">Some Problems with C++ Move Semantics</a></p>

<p>The C++ brings joy, but problems too.</p></li>
<li><p><a href="perfect-hashing.html">Free Variables Perfect Hashing Algorithm</a></p>

<p>A generalization and simplification of the CHM Perfect Hashing Algorithm.</p></li>
<li><p><a href="random-probing.html">Consistent Hashing Revisited</a></p>

<p>Consistent hashing is used to balance load in case a bucket (server) goes bad.</p></li>
<li><p><a href="cpp-property.html">C++ Properties</a></p>

<p>One more nugget from C++.</p></li>
</ul>

<blockquote>
  <p>When serializing data into a file, developers often make a dry run to calculate
the size for the header. One possible workaround: add a size data member as the
last field in the header struct, then just write the header at the end of the file.</p>
</blockquote>

<ul>
<li><p><a href="values.html">Value Semantics</a></p>

<p>Some thoughts on using values vs pointers/references.</p></li>
<li><p><a href="polymorphism.html">Polymorphism</a></p>

<p>A couple notes on polymorphic behaviour.</p></li>
<li><p><a href="exceptions.html">C++ Exceptions</a></p>

<p>Neverending struggle to work out the rules of using C++ exceptions, my thoughts on that. <br />
TLDR. Use them almost always.</p></li>
</ul>

<blockquote>
  <p>#define that (*this)  </p>

<p>that.value = ...</p>
</blockquote>

<ul>
<li><a href="vector-push.html">The Way <em>operator&lt;&lt;</em> and <em>operator&gt;&gt;</em> Should Have Been Overloaded</a></li>
</ul>

<blockquote>
  <p><em>std::vector&lt;int&gt; v{}; int i{};</em> <br />
<em>v &lt;&lt; 1 &lt;&lt; 2;</em> <br />
<em>v >> i;</em></p>
</blockquote>

<ul>
<li><p><a href="print-fp.html">Print-format a Float in Base-10</a></p>

<p>A hack for quick and easy printing of a floating point number in base-10.</p></li>
</ul>

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