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Understanding the ngRepeat 'track by' expression
... I have a list of 700 odd items. Render time went from 4 seconds to 100ms. Track by should be used for all ngRepeat's based on data sourced from rest.
– Patrick
Nov 3 '16 at 1:04
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jQuery: keyPress Backspace won't fire?
...nction(){
/** Code that processes backspace, etc. **/
}, 100 );
} );
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Should I use Java's String.format() if performance is important?
...v_time = System.currentTimeMillis();
long time;
for( i = 0; i< 100000; i++){
String s = "Blah" + i + "Blah";
}
time = System.currentTimeMillis() - prev_time;
System.out.println("Time after for loop " + time);
prev_time = System.currentTimeMillis();
for( i = ...
Redirect stdout to a file in Python?
...: buffering=0 disables buffering (it may negatively affect performance (10-100 times)). buffering=1 enables line buffering so that you could use tail -f for a line-oriented output.
– jfs
Jul 31 '14 at 13:39
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Run Cron job every N minutes plus offset
...made me wonder how to sleep a random number of seconds. sleep `shuf -i 1-100 -n 1` does the trick.
– Laizer
Feb 6 '19 at 2:19
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data.table vs dplyr: can one do something well the other can't or does poorly?
...ncluding benchmarks by Matt on grouping from 10 million to 2 billion rows (100GB in RAM) on 100 - 10 million groups and varying grouping columns, which also compares pandas. See also updated benchmarks, which include Spark and pydatatable as well.
On benchmarks, it would be great to cover these rem...
Annotating text on individual facet in ggplot2
...y(tidyverse)
library(magrittr)
Data1=data.frame(A=runif(20, min = 0, max = 100), B=runif(20, min = 0, max = 250), C=runif(20, min = 0, max = 300))
Data2=data.frame(A=runif(20, min = -10, max = 50), B=runif(20, min = -5, max = 150), C=runif(20, min = 5, max = 200))
bind_cols(
Data1 %>% gather("V...
What does java:comp/env/ do?
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100
Quoting https://web.archive.org/web/20140227201242/http://v1.dione.zcu.cz/java/docs/jndi-1.2/t...
How do I print the full value of a long string in gdb?
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John CarterJohn Carter
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JavaScript data grid for millions of rows [closed]
...ifference in performance between working with a grid with 10 rows versus a 100’000 rows."
Some highlights:
Adaptive virtual scrolling (handle hundreds of thousands of rows)
Extremely fast rendering speed
Background post-rendering for richer cells
Configurable & customizable
Full keyboard na...