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Math.random(): random selection for a game, not a secret
The pseudo-random result is in the range of 0 including to 1 exclusively.
Published22 Oct 2026
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Software, devices and technical concepts, explained clearly.
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Technology
Math.round(): how the halves behave
At exactly half the difference is in the direction of positive infinity.
Published22 Oct 2026
Technology
Math.trunc(): fraction removal
For positive and negative numbers, the direction is towards zero.
Published22 Oct 2026
Technology
Media queries: styles according to display conditions
Conditional CSS rules can take into account width, type of media, and user preferences. The threshold for change is most useful when it follows the needs of the content.
Published22 Oct 2026
Technology
Merge-base: finding a shared base between histories
git merge-base finds suitable common ancestors for merging commits. A pair can have more than one best common base.
Published22 Oct 2026
Technology
meter: measured value in known range
The <meter> element represents a value within a known range.
Published22 Oct 2026
Technology
min-width: 0 helps the flex element to shrink
The automatic minimum size can hold a column wider than expected.
Published22 Oct 2026
Technology
Multiprocessing: a separate process has its own context
multiprocessing runs work in separate processes. It can use multiple CPU cores, but transferring data between processes has its own cost.
Published22 Oct 2026
Technology
normalize(): equivalent text with different Unicode representations
Normalization helps when comparing equivalent sequences.
Published22 Oct 2026
Technology
Number.isFinite(): finite numbers without implicit conversion
The text with digits does not pass the check as a number.
Published22 Oct 2026
Technology
Number.isNaN(): check NaN without hidden conversion
Number.isNaN() checks whether the value is actually the numerical NaN. Plain text is not automatically converted to a number.
Published22 Oct 2026
Technology
object-fit: photo in a frame without stretching
contain displays the entire image, and cover fills the frame with possible cropping.
Published22 Oct 2026