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FFmpeg: How to split video efficiently?
...mmands"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv
echo "One command"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:...
What does the Reflect object do in JavaScript?
...
UPDATE 2015:
As pointed out by 7th's answer, now that ES6 (ECMAScript 2015) has been finalized, more appropriate documentation is now available:
ES6 spec, Reflection
MDN Reflect (including details and examples to all of its methods...
How to get arguments with flags in Bash
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303
This is the idiom I usually use:
while test $# -gt 0; do
case "$1" in
-h|--help)
e...
Can I do a synchronous request with volley?
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edited Feb 10 '17 at 17:30
Blundell
67.4k2929 gold badges182182 silver badges207207 bronze badges
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How do I split a string into an array of characters? [duplicate]
...on, you can do that without split:
var s = "overpopulation";
for (var i = 0; i < s.length; i++) {
console.log(s.charAt(i));
}
You can also access each character with its index using normal array syntax. Note, however, that strings are immutable, which means you can't set the value of a c...
How does the HyperLogLog algorithm work?
...eam is 2^(size of the prefix).
That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts with "001". This means that if you observe a random stream and see a "001", there is a higher chance that this stream has a cardinality of 8.
...
PHP array delete by value (not key)
...failure, however it can return a false-y value on success (your key may be 0 for example), which is why the strict comparison !== operator is used.
The if() statement will check whether array_search() returned a value, and will only perform an action if it did.
...
搜索需求覆盖检查：已有成品、教程入口与下一批选题 · App Inventor 2 中文网
...除。
英文社区研究记录
检查日期：2026 年 10 月 6 日。本次阅读原帖后提取以下选题，尚未把第三方扩展导入平台验证。
日历事件管理：DynamicCalendar 原帖介绍本地存储与按日期管理事件，并提供布局适配更...
I want to get the type of a variable at runtime
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edited Jul 20 '16 at 21:01
answered Oct 15 '13 at 18:53
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How to make rpm auto install dependencies
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103
Create a (local) repository and use yum to have it resolve the dependencies for you.
The CentO...