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Groupe de Emilien Véret

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Default Folder X 5.5.2

Default Folder X attaches a toolbar to the right side of the Open and Save dialogs in any OS X-native application. The toolbar gives you fast access to various folders and commands. You just click on the buttons to go to your favorite and recently used folders, manage the folders and files shown in the list, and make changes to your settings. It also fixes a number of problems in Open and Save dialogs, "rebounding" to the last selected file, putting the path listing back in the top menu, and correcting bugs in scrolling column views.

Default Folder X 5.5.2

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Another source of environment variables are PAM sessions. On Debian/Ubuntu systems, the default PAM profile run by RStudio Server includes the environment variables defined in /etc/security/pam_env.conf and /etc/environment. To learn more about setting environment variables with PAM you should consult the PAM Sessions section as well as the documentation on the pam_env module here: _env.

When this setting is enabled, all sessions that are started will create a diagnostics file that contains extended launch diagnostics under the /tmp directory by default. To change the location, use the rsession-diagnostics-dir to point to the desired directory, like so:

This configuration specifies that by default users will run on cores 1 to 4 with a limit of 800 processes and 2GB of virtual memory. It also specifies that members of the powerusers group will run on cores 5 to 16 with an elevated nice priority and a limit of 4GB of memory. Finally, the user jsmith is configured to use a different version of R from the system default.

The default value if none is explicitly specified is 0 hours, meaning sessions will never be killed and destroyed automatically. The supplied value should be an integer representing the amount of hours a session can go without user interaction before being killed.

If session-timeout-kill-hours is set to an amount of time less than session-timeout-minutes (which has a default of 2 hours), then sessions will never be suspended and they will be forcefully killed and cleaned up.

The nice setting specifies a relative priority for scheduling session CPU time. Negative 20 is the highest nice priority and positive 20 is the lowest priority. The system default niceness for processes is typically 0. The following are all valid nice values:

The behavior that RStudio Server requires is essentially same as that of the su command (impersonation of a user without a password). Therefore by default RStudio Server uses the /etc/pam.d/su profile for running R sessions.

By default, RStudio Server does not close PAM sessions when their associated R process exits. This is because PAM sessions often initialize and maintain resources that require more persistence that the lifetime of a single R session (e.g. mounted drives, Kerberos tickets, etc.). If a user has multiple active R sessions then closing the PAM session associated with one of them might unmount a drive or revoke a ticket that is still required by another R session.

The default global setting is ask and the default project-level setting is derived from the current global setting (these options can be modified by end users via the Global Options and Project Options dialogs respectively).

The default global setting can also be changed via the session-save-action-default configuration parameter in the rsession.conf config file. For example, to change the default value to no you would use this:

In some configurations it might be desirable to force the re-execution of profile files. There is an end user option that controls this on the General options pane which defaults to false. However, server administrators may wish to ensure that this option defaults to true. To do this you use the session-rprofile-on-resume-default option. For example:

By default, when sessions are quit or suspended, child processes created in the session will continue to run. You can specify whether or not that should occur by specifying the session-quit-child-processes-on-exit setting in /etc/rstudio/rsession.conf. The allowed values are 1 or 0 to quit child processes or leave them running, respectively.

The default value if none is explicitly specified is 0 hours, meaning sessions will never be killed and destroyed automatically. The supplied value should be an integer representing the amount of hours a session can be idle before being killed.

If you copy an existing project to be used as a project template, ensure that you delete the RStudio metadata folders and files contained within the project directory. You will want to ensure you delete the following:

Project files allow you to specify default documents that should be opened when a project is opened for the very first time. For example, you could have your welcome project bring up explanatory documents to help guide your users. To do this, add the DefaultOpenDocs line to the .Rproj file. For example:

Note that many Linux distributions now have ACLs enabled by default in which case no special configuration is required. You can use the tune2fs command to inspect the attributes with which your filesystem is mounted (user_xattr and acl are required for project sharing).

In a load-balanced configuration, however, RStudio does not provide a default, so it is necessary to provision a path both visible to and writable by all users on the system (typically on the same filesystem on which home directories are mounted). This path can be supplied to RStudio Server via the server-shared-storage-path option, for example:

You can customize the location of user packages installed from CRAN as well as the default CRAN repository. You can also configure the user-interface of the RStudio IDE to discourage end-user package installation in the case where packages are deployed centrally to a site library.

By default R packages are installed into a user-specific library based on the contents of the R_LIBS_USER environment variable (more details on this mechanism are here: -manual/R-devel/library/base/html/libPaths.html).

RStudio Server uses the RStudio CRAN mirror ( ) by default. This mirror is globally distributed using Amazon S3 storage so should provide good performance for all locales. You may however wish to override the default CRAN mirror. This can be done with the r-cran-repos settings. For example:

Administrators can broadcast notifications to user sessions in real-time using the notifications.conf file located at /etc/rstudio/notifications.conf. This file comes by default with commented out entries that you can uncomment and use, and helps show you the available time and message formats.

Users on RStudio Server Pro can publish content to RStudio Connect. To do so, they must first specify the RStudio Connect server they wish to use. You can set the default RStudio Connect server URL to use when users are connecting to an account. To do so, use the default-rsconnect-server option:

In accordance with the Base Directory Specification, the environment variables specify the location of the rstudio folder. For example, to store system-wide preference configuration in /var/config/rstudio/rstudio-prefs.json, you would set the XDG_CONFIG_DIRS variable to the value /var/config.

RStudio typically opens new documents with completely blank contents. You can, however, define the contents of the blank document by creating a file named default.X in /etc/rstudio/templates, where X is the file extension you wish to customize. For example, to start all R scripts with a standard comment header users can fill out, you could use the following:

CGAL has some optional components. During configuration, you can select the components that you would like to use by setting a CMake variable of the form WITH_. By default all are switched ON, but some have specific dependencies in addition to the essential ones, so if you don't need those, don't hesitate to switch them OFF. See the page Essential Third Party Libraries for more information.

CGAL is distributed with a large collection of examples and demos. By default, these are not configured along with the CGAL libraries, unless you set the variables WITH_examples=ON and/or WITH_demos=ON. Additionally, even when configured with CGAL, they are not automatically built along with the libraries. You must build the examples or demos targets (or IDE projects) explicitly.

The CMake variable CMAKE_BUILD_TYPE indicates how to build the executables. It accepts the values Debug or Release. Note that the default value is Debug, since it is default value in CMake. If you do not plan on debugging, it is important to set the variable to Release for performance reasons.

Variants with the additional suffix "_DEBUG" and "_RELEASE" allow to set separate values for debug and release builds. In case you do not want to add additional flags, but to override the default flags, replace "CGAL" by "CMAKE" in the variable names above.

The binary and source directories do not need to be the same. Thus, you can configure multiple variants by creating a distinct directory for each configuration and by running CMake from there. This is known in CMake terminology as out-of-source configuration, as opposite to an in-source configuration, as showed in the previous sections. You can, for example, generate subdirectories CGAL-5.5.2/build/debug and CGAL-5.5.2/build/release for two configurations, respectively:

The results of a successful configuration are build files that control the build step. The nature of the build files depends on the generator used during configuration, but in all cases they contain several targets, one per executable, and a default global target corresponding to all of them (called examples and/or demos).

None of these targets are included by default, so you need to build them explicitly after the CGAL libraries have been successfully built. The targets examples and demos include themselves all the targets for examples and demos respectively.

The files are copied into a directory tree relative to the installation directory determined by the CMake variable CMAKE_INSTALL_PREFIX. This variable defaults to /usr/local under Unix-like operating systems. If you want to install to a different location, you must override that CMake variable explicitly at the configuration time and not when executing the install step. 041b061a72

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