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Why do you need to put #!/bin/bash at the beginning of a script file?
I have made Bash scripts before and they all ran fine without #!/bin/bash at the beginning.
9 Answers
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How to redirect 'print' output to a file using python?
...ee it initialized.
My first guess is that glob doesn't find any bamfiles, and therefore the for loop doesn't run. Check that the folder exists, and print out bamfiles in your script.
Also, use os.path.join and os.path.basename to manipulate paths and filenames.
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Check if a program exists from a Makefile
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Sometimes you need a Makefile to be able to run on different target OS's and you want the build to fail early if a required executable is not in PATH rather than to run for a possibly long time before failing.
The excellent solution provided by engineerchuan requires making a target. However, if ...
Android LocationClient class is deprecated but used in documentation
...e using the new/latest Location Service API... Enjoy developing :)
import android.location.Location;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms....
Quickly create a large file on a Linux system
...her answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For example:
fallocate -l 10G gentoo_root.img
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Will docker container auto sync time with the host machine?
...are running Kitematic, which is now the suggested mechanism for getting up and running on Docker in OSX, you will have to periodically run this command:
docker-machine ssh default 'sudo ntpclient -s -h pool.ntp.org'
Or, for older versions of docker
docker-machine ssh dev 'sudo ntpclient -s -h po...
How big can a MySQL database get before performance starts to degrade
...you are going to run in to is not size, but the number of queries you can handle at a time. Most likely you are going to have to move to a master/slave configuration so that the read queries can run against the slaves and the write queries run against the master. However if you are not ready for t...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
iOS开发调试技巧总结对于软件开发而言，调试是必须学会的技能，重要性不言而喻。对于调试的技能，基本上是可以迁移的，也就是说你以前在其他平台上掌握的很多调...对于软件开发而言，调试是必须学会的技能，重要性不言...
Sending email with PHP from an SMTP server
...l through a server that requires SMTP Auth, you really need to specify it, and set the host, username and password (and maybe the port if it is not the default one - 25).
For example, I usually use PHPMailer with similar settings to this ones:
$mail = new PHPMailer();
// Settings
$mail->IsSMTP...
Warning: push.default is unset; its implicit value is changing in Git 2.0
I've been using Git for a while now and have recently downloaded an update only to find this warning message come up when I try to push .
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