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Finding current executable's path without /proc/self/exe
...ROC KERN_PROC_PATHNAME -1
FreeBSD if it has procfs: readlink /proc/curproc/file (FreeBSD doesn't have procfs by default)
NetBSD: readlink /proc/curproc/exe
DragonFly BSD: readlink /proc/curproc/file
Windows: GetModuleFileName() with hModule = NULL
There are also third party libraries that can be u...
How to check if command line tools is installed
...the Applications directory.
There are also the xcodebuild and xcode-select files in /usr/bin
I need to know if the command line tools is installed.
Is there a command for it?
What can I do to see if XCode CLT is installed and if yes to find the version installed?
...
bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
...braries are packaged. They are to Ruby what jars are to Java. Inside a gem file, you find Ruby code (.rb files), but also tests, and a special file giving information on the gem itself, such as its name, dependencies and version (gemspec). Any Ruby project can define the gems it needs via a Gemfile ...
PHP mail function doesn't complete sending of e-mail
...to receive these errors. Placing the following code at the top of your PHP files (or in a master configuration file) will enable error reporting.
error_reporting(-1);
ini_set('display_errors', 'On');
set_error_handler("var_dump");
See How can I get useful error messages in PHP? — this answer fo...
What causes javac to issue the “uses unchecked or unsafe operations” warning
...:unchecked"
}
}
// ...
}
in your project's build.gradle file to know where this error is produced.
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Rails I18n validation deprecation warning
....
Short answer
In order to silence the warning edit the application.rb file and include the following line inside the Rails::Application body
config.i18n.enforce_available_locales = true
The possible values are:
false: if you
want to skip the locale validation
don't care about locales
tr...
Multi-line EditText with Done action button
...only works for me if I do these settings in the code instead of the layout file (in onCreate) by
TextView tv = (TextView)findViewById(R.id.editText);
if (tv != null) {
tv.setHorizontallyScrolling(false);
tv.setLines(3);
}
I hope this helps someone, as it took quite a while to figure out. ...
heroku - how to see all the logs
... heroku's Syslog Drains
Alternatively (old method):
$ heroku run rails c
File.open('log/production.log', 'r').each_line { |line| puts line }
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Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
... = {'gadgets': df_gadgets, 'widgets': df_widgets}
writer = pd.ExcelWriter(filename, engine='xlsxwriter')
for sheetname, df in dfs.items(): # loop through `dict` of dataframes
df.to_excel(writer, sheet_name=sheetname) # send df to writer
worksheet = writer.sheets[sheetname] # pull workshe...
Automate ssh-keygen -t rsa so it does not ask for a passphrase
..."
Then to use it in PoshGit it's just:
Add-SshKey "<path>\.shh\KeyFilename"
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