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How can I extract a good quality JPEG image from a video file with ffmpeg?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How is the default max Java heap size determined?
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In my case on Linux, InitialHeapSize = 262803264 and MaxHeapSize = 4206886912 which is about 256 MB and 4 GB if I'm not mistaken. Does this mean that every JVM starts as if it was launched with -Xms256m -Xmx4g options?
– Yuriy Nakonechnyy
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uint8_t vs unsigned char
...ark Ransom
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Does PowerShell support constants?
...ller.
The following modified function fixes this problem. The solution is based on this answer to the question "Is there any way for a powershell module to get at its caller's scope?".
function Set-Constant {
<#
.SYNOPSIS
Creates constants.
.DESCRIPTION
This function...
Best implementation for hashCode method for a collection
...rstName, this.lastName);
}
This requires either Guava (com.google.common.base.Objects.hashCode) or the standard library in Java 7 (java.util.Objects.hash) but works the same way.
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Django's SuspiciousOperation Invalid HTTP_HOST header
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How to get current date & time in MySQL?
... I did the above example on MySQL Workbench 6.2 (Version 6.2.5.0 Build 397 64 Bits)
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Ordering by specific field value first
...ever know.
Second, pay attention to how FIELD() works: it returns the one-based index of the value - in the case of FIELD(priority, "core"), it'll return 1 if "core" is the value. If the value of the field is not in the list, it returns zero. This is why DESC is necessary unless you specify all p...
Why is an int in OCaml only 31 bits?
...huclv: This is not surprising, of course. Just like the HotSpot JVM, V8 is based on the Animorphic Smalltalk VM, which in turn is based on the Self VM. And V8 was developed by (some of) the same people who developed the HotSpot JVM, the Animorphic Smalltalk VM, and the Self VM. Lars Bak, in particul...
How can I get query string values in JavaScript?
...nsitive parameter name, [add 'i' modifier to RegExp][2]
This is an update based on the new URLSearchParams specs to achieve the same result more succinctly. See answer titled "URLSearchParams" below.
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