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Converting A String To Hexadecimal In Java
I am trying to convert a string like "testing123" into hexadecimal form in java. I am currently using BlueJ.
21 Answers
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Checking if sys.argv[x] is defined
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In the end, the difference between try, except and testing len(sys.argv) isn't all that significant. They're both a bit hackish compared to argparse.
This occurs to me, though -- as a sort of low-budget argparse:
arg_names = ['command', 'x', 'y', 'operation', 'option']
args...
Is the Javascript date object always one day off?
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yes i have tested this all, and its really strange.
– chintan adatiya
Jun 22 '16 at 16:18
28
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How to get the text node of an element?
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Not sure why but I'm unssuccsessful when testing the theory above. I ran the following jQuery("*").each(function() { console.log(this.nodeType); }) and I got 1 for all the node types.
– Batandwa
Jan 6 '14 at 6:51
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How to prevent page scrolling when scrolling a DIV element?
I have reviewed and tested the various functions for preventing the body ability to scroll whilst inside a div and have combined a function that should work.
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GitHub README.md center image
...lowing should work: <span style="display:block;text-align:center">![Test Automation]Automated-Testing.png)</span>
– Dakshinamurthy Karra
Aug 27 '17 at 10:01
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MySQL maximum memory usage
...efault 480mb to mere 100 mbs
docker run -d -p 3306:3306 -e MYSQL_DATABASE=test -e MYSQL_ROOT_PASSWORD=tooor -e MYSQL_USER=test -e MYSQL_PASSWORD=test -v /mysql:/var/lib/mysql --name mysqldb mysql --table_definition_cache=100 --performance_schema=0 --default-authentication-plugin=mysql_native_passwo...
Filter rows which contain a certain string
...str", "", object) # -> "ingr"
Benchmark
The results of the benchmark test are as follows. For large dataframe, str_detect is faster.
library(rbenchmark)
library(tidyverse)
# The data. Data expo 09. ASA Statistics Computing and Graphics
# http://stat-computing.org/dataexpo/2009/the-data.html...
Biggest differences of Thrift vs Protocol Buffers?
...rotobuf currently relies on third-party libraries, meaning less eyes, less testing, less reliable code.
– Alec Thomas
May 17 '10 at 2:32
2
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Returning value from called function in a shell script
...ere's how to do each of those options:
1. Echo strings
lockdir="somedir"
testlock(){
retval=""
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
retval="true"
else
ec...