i’m just coding module for HLDS server extension metamod. I wrote a simple utility function for writing logs in format %LOGNAME%_%DATE%.log In windows that function is working fine, but in linux it create file but write nothing. First I try to search information about that, but I do not found a solution…
Postgres latency issues during memory compaction in Ubuntu Linux
We’ve recently upgraded our EC2 instance that hosts our Postgres database to an i2.8xlarge with 244GB of memory (this is to utilise the large amounts of ephemeral storage it comes with). Since upgrading, we’ve been having some issues with latency in Postgres that appear to be due to memory compact…
How to use the attach the same console as output for a process and input for another process?
I am trying to use suckless ii irc client. I can listen to a channel by tail -f out file. However is it also possible for me to input into the same console by starting an echo or cat command? If I background the process, it actually displays the output in this console but that doesn’t seem to be right
Join Two csv file to one Csv file Based matching Column
I have 2 csv file, first.csv secound.csv : I need to join this two csv file , if name are matching then, “Text” filed to add in first.csv file. output.csv Suggest me how to do this in php or linux cmd. Answer This should work.
Segmentation fault (exit code 139) when using pthread_join
I’m doing some first steps with threads on Linux systems, and i have this error which occures on the base of a program that gets some n argument and creates n number of threads. Here is the important part of the code: The function the threads should run: Important part of code in the main function Notic…
Using Bluez/Linux, can I run a daemon broadcasting BLE ibeacons and be connectable using RFCOMM simultaneously?
As stated in the title, can both be ran simultaneously or is a second adapter required? For example, can one adapter run both BLE and BT classic at the same time – the BLE beacon broadcasts the MAC for opportunistic clients to connect to using RFCOMM. Answer If you are using a common CSR 4.0 Dongle or A…
Measuring execution time with clock in sec in C not working
I’m trying to measure execution time in C using clock() under linux using the following: The output is: The documentation says to divide the clock time by CLOCKS_PER_SEC to get the execution time in sec, but this seems pretty incorrect for a 2sec sleep. What’s the problem? Answer Sleeping takes al…
Renaming txt files with numbers as filenames in cmd
i have files and This names the files example : I want Rename all of them to file names with numbers like: system windows or linux Answer Just save this code into a name.bat file in your folder and run the command Here in order to avoid conflicts first the files are named as ‘.new’ extenstion and …
How to format decimal space using awk in linux
original file : now i need to control third columns with 6 decimal space after i tried awk {‘print $1,$2; printf “%.6ft”,$3’} but the output is not what I want result : that’s weird , how can I do that will just modify third columns Answer Your print() is adding a newline charact…
Correct version of Ant not being picked by Linux
I get this really annoying message when working with ant on Linux. I export my ANT_HOME=/home/ganesh/org.apache.ant_1.9.2.v201404171502/bin Then i modify my path such as export PATH=$ANT_HOME:$PATH. But then when i run ant i get the error as Error: Could not find or load main class org.apache.tools.ant.launch…