VPP Configuration - CLI and ‘startup.conf’¶
After a successful installation, VPP installs a startup config file named startup.conf in the /etc/vpp/ directory. This file can be tailored to make VPP run as desired, but contains default values for typical installations.
Below are more details about this file and some of the the parameters and values it contains.
Command-line Arguments¶
Before we describe details of the startup configuration file (startup.conf) it should be mentioned that VPP can be started without a startup configuration file.
Parameters are grouped by a section name. When providing more than one parameter to a section, all parameters for that section must be wrapped in curly braces. For example, to start VPP with configuration data via the command line with the section name ‘unix’:
$ sudo /usr/bin/vpp unix { interactive cli-listen <IP_ADDRESS>:5002 }
The command line can be presented as a single string or as several; anything given on the command line is concatenated with spaces into a single string before parsing. VPP applications must be able to locate their own executable images. The simplest way to ensure this will work is to invoke a VPP application by giving its absolute path. For example: ‘/usr/bin/vpp <options>’ At startup, VPP applications parse through their own ELF-sections [primarily] to make lists of init, configuration, and exit handlers.
When developing with VPP, in gdb it’s often sufficient to start an application like this:
(gdb) run unix interactive
Startup Configuration File (startup.conf)¶
The more typical way to specify the startup configuration to VPP is with the startup configuration file (startup.conf).
The path of the file is provided to the VPP application on the command line. This is typically at /etc/vpp/startup.conf. If VPP is installed as a package a default startup.conf file is provided at this location.
The format of the configuration file is a simple text file with the same content as the command line.
A very simple startup.conf file:
$ cat /etc/vpp/startup.conf
unix {
nodaemon
log /var/log/vpp/vpp.log
full-coredump
cli-listen localhost:5002
}
api-trace {
on
}
dpdk {
dev 0000:03:00.0
}
VPP is instructed to load this file with the -c option. For example:
$ sudo /usr/bin/vpp -c /etc/vpp/startup.conf
Configuration Parameters¶
Below is the list of some section names and their associated parameters. This is not an exhaustive list, but should give you an idea of how VPP can be configured.
For all of the configuration parameters search the source code for instances of VLIB_CONFIG_FUNCTION and VLIB_EARLY_CONFIG_FUNCTION.
For example, the invocation ‘VLIB_CONFIG_FUNCTION (foo_config, “foo”)’ will cause the function ‘foo_config’ to receive all parameters given in a parameter block named “foo”: “foo { arg1 arg2 arg3 … }”.
The unix section¶
Configures VPP startup and behavior type attributes, as well and any OS based attributes.
unix {
nodaemon
log /var/log/vpp/vpp.log
full-coredump
cli-listen /run/vpp/cli.sock
gid vpp
}
nodaemon¶
Do not fork / background the vpp process. Typical when invoking VPP applications from a process monitor. Set by default in the default ‘startup.conf’ file.
nodaemon
log <filename>¶
Logs the startup configuration and all subsequent CLI commands in filename. Very useful in situations where folks don’t remember or can’t be bothered to include CLI commands in bug reports. The default ‘startup.conf’ file is to write to ‘/var/log/vpp/vpp.log’.
In VPP 18.04, the default log file location was moved from ‘/tmp/vpp.log’ to ‘/var/log/vpp/vpp.log’ . The VPP code is indifferent to the file location. However, if SELinux is enabled, then the new location is required for the file to be properly labeled. Check your local ‘startup.conf’ file for the log file location on your system.
log /var/log/vpp/vpp-debug.log
exec | startup-config <filename>¶
Read startup operational configuration from filename. The contents of the file will be performed as though entered at the CLI. The two keywords are aliases for the same function; if both are specified, only the last will have an effect.
A file of CLI commands might look like:
$ cat /usr/share/vpp/scripts/interface-up.txt
set interface state TenGigabitEthernet1/0/0 up
set interface state TenGigabitEthernet1/0/1 up
Parameter Example:
startup-config /usr/share/vpp/scripts/interface-up.txt
gid <number | name>¶
Sets the effective group ID to the input group ID or group name of the calling process.
gid vpp
full-coredump¶
Ask the Linux kernel to dump all memory-mapped address regions, instead of just text+data+bss.
full-coredump
coredump-size unlimited | <n>G | <n>M | <n>K | <n>¶
Set the maximum size of the coredump file. The input value can be set in GB, MB, KB or bytes, or set to ‘unlimited’.
coredump-size unlimited
cli-listen <ipaddress:port> | <socket-path>¶
Bind the CLI to listen at address localhost on TCP port 5002. This will accept an ipaddress:port pair or a filesystem path; in the latter case a local Unix socket is opened instead. The default ‘startup.conf’ file is to open the socket ‘/run/vpp/cli.sock’.
cli-listen localhost:5002
cli-listen /run/vpp/cli.sock
cli-line-mode¶
Disable character-by-character I/O on stdin. Useful when combined with, for example, emacs M-x gud-gdb.
cli-line-mode
cli-history-limit <n>¶
Limit command history to <n> lines. A value of 0 disables command history. Default value: 50
cli-history-limit 100
cli-pager-buffer-limit <n>¶
Limit pager buffer to <n> lines of output. A value of 0 disables the pager. Default value: 100000
cli-pager-buffer-limit 5000
runtime-dir <dir>¶
Set the runtime directory, which is the default location for certain files, like socket files. Default is based on User ID used to start VPP. Typically it is ‘root’, which defaults to ‘/run/vpp/’. Otherwise, defaults to ‘/run/user/<uid>/vpp/’.
runtime-dir /tmp/vpp
poll-sleep-usec <n>¶
Add a fixed-sleep between main loop poll. Default is 0, which is not to sleep.
poll-sleep-usec 100
pidfile <filename>¶
Writes the pid of the main thread in the given filename.
pidfile /run/vpp/vpp1.pid
The api-trace Section¶
The ability to trace, dump, and replay control-plane API traces makes all the difference in the world when trying to understand what the control-plane has tried to ask the forwarding-plane to do.
Typically, one simply enables the API message trace scheme:
api-trace {
api-trace on
}
on | enable¶
Enable API trace capture from the beginning of time, and arrange for a post-mortem dump of the API trace if the application terminates abnormally. By default, the (circular) trace buffer will be configured to capture 256K traces. The default ‘startup.conf’ file has trace enabled by default, and unless there is a very strong reason, it should remain enabled.
on
nitems <n>¶
Configure the circular trace buffer to contain the last <n> entries. By default, the trace buffer captures the last 256K API messages received.
nitems 524288
save-api-table <filename>¶
Dumps the API message table to /tmp/<filename>.
save-api-table apiTrace-07-04.txt
The api-segment Section¶
These values control various aspects of the binary API interface to VPP.
The default looks like the following:
api-segment {
gid vpp
}
prefix <path>¶
Sets the prefix prepended to the name used for shared memory (SHM) segments. The default is empty, meaning shared memory segments are created directly in the SHM directory ‘/dev/shm’. It is worth noting that on many systems ‘/dev/shm’ is a symbolic link to somewhere else in the file system; Ubuntu links it to ‘/run/shm’.
prefix /run/shm
uid <number | name>¶
Sets the user ID or name that should be used to set the ownership of the shared memory segments. Defaults to the same user that VPP is started with, probably root.
uid root
gid <number | name>¶
Sets the group ID or name that should be used to set the ownership of the shared memory segments. Defaults to the same group that VPP is started with, probably root.
gid vpp
The following parameters should only be set by those that are familiar with the interworkings of VPP.
baseva <x>¶
Set the base address for SVM global region. If not set, on AArch64, the code will try to determine the base address. All other default to 0x30000000.
baseva 0x20000000
global-size <n>G | <n>M | <n>¶
Set the global memory size, memory shared across all router instances, packet buffers, etc. If not set, defaults to 64M. The input value can be set in GB, MB or bytes.
global-size 2G
global-pvt-heap-size <n>M | size <n>¶
Set the size of the global VM private mheap. If not set, defaults to 128k. The input value can be set in MB or bytes.
global-pvt-heap-size size 262144
api-pvt-heap-size <n>M | size <n>¶
Set the size of the api private mheap. If not set, defaults to 128k. The input value can be set in MB or bytes.
api-pvt-heap-size 1M
api-size <n>M | <n>G | <n>¶
Set the size of the API region. If not set, defaults to 16M. The input value can be set in GB, MB or bytes.
api-size 64M
The socksvr Section¶
Enables a Unix domain socket which processes binary API messages. See …/vlibmemory/socket_api.c. If this parameter is not set, vpp won’t process binary API messages over sockets.
socksvr {
# Explicitly name a socket file
socket-name /run/vpp/api.sock
or
# Use defaults as described below
default
}
The “default” keyword instructs vpp to use /run/vpp/api.sock when running as root, otherwise to use /run/user/<uid>/api.sock.
The cpu Section¶
In the VPP there is one main thread and optionally the user can create worker(s) The main thread and worker thread(s) can be pinned to CPU core(s) manually or automatically
cpu {
main-core 1
corelist-workers 2-3,18-19
}
Manual pinning of thread(s) to CPU core(s)¶
main-core¶
Set logical CPU core where main thread runs, if main core is not set VPP will use core 1 if available
main-core 1
corelist-workers¶
Set logical CPU core(s) where worker threads are running
corelist-workers 2-3,18-19
Automatic pinning of thread(s) to CPU core(s)¶
skip-cores number¶
Sets number of CPU core(s) to be skipped (1 … N-1), Skipped CPU core(s) are not used for pinning main thread and working thread(s).
The main thread is automatically pinned to the first available CPU core and worker(s) are pinned to next free CPU core(s) after core assigned to main thread
skip-cores 4
workers number¶
Specify a number of workers to be created Workers are pinned to N consecutive CPU cores while skipping “skip-cores” CPU core(s) and main thread’s CPU core
workers 2
scheduler-policy other | batch | idle | fifo | rr¶
Set scheduling policy and priority of main and worker threads
Scheduling policy options are: other (SCHED_OTHER), batch (SCHED_BATCH) idle (SCHED_IDLE), fifo (SCHED_FIFO), rr (SCHED_RR)
scheduler-policy fifo
scheduler-priority number¶
Scheduling priority is used only for “real-time policies (fifo and rr), and has to be in the range of priorities supported for a particular policy
scheduler-priority 50
The buffers Section¶
buffers {
buffers-per-numa 128000
default data-size 2048
}
buffers-per-numa number¶
Increase number of buffers allocated, needed only in scenarios with large number of interfaces and worker threads. Value is per numa node. Default is 16384 (8192 if running unpriviledged)
buffers-per-numa 128000
The dpdk Section¶
dpdk {
dev default {
num-rx-desc 512
num-tx-desc 512
}
dev 0000:02:00.1 {
num-rx-queues 2
name eth0
}
}
dev <pci-dev> | default { .. }¶
White-list [as in, attempt to drive] a specific PCI device. PCI-dev is a string of the form “DDDD:BB:SS.F” where:
DDDD = Domain
BB = Bus Number
SS = Slot number
F = Function
If the keywork default is used the values will apply to all the devices.
This is the same format used in the linux sysfs tree (i.e./sys/bus/pci/devices) for PCI device directory names.
dpdk {
dev default {
num-rx-desc 512
num-tx-desc 512
}
dev <pci-dev> { .. }¶
Whitelist specific interface by specifying PCI address. When whitelisting specific interfaces by specifying PCI address, additional custom parameters can also be specified. Valid options include:
dev 0000:02:00.0
dev 0000:03:00.0
blacklist <pci-dev>¶
Blacklist specific device type by specifying PCI vendor:device Whitelist entries take precedence
blacklist 8086:10fb
num-rx-queues <n>¶
Number of receive queues. Also enables RSS. Default value is 1.
dev 0000:02:00.1 {
num-tx-queues <n>
}
num-tx-queues <n>¶
Number of transmit queues. Default is equal to number of worker threads or 1 if no workers treads.
dev 000:02:00.1 {
num-tx-queues <n>
}
num-rx-desc <n>¶
Number of descriptors in receive ring. Increasing or reducing number can impact performance. Default is 1024.
dev 000:02:00.1 {
num-rx-desc <n>
}
vlan-strip-offload on | off¶
VLAN strip offload mode for interface. VLAN stripping is off by default for all NICs except VICs, using ENIC driver, which has VLAN stripping on by default.
dev 000:02:00.1 {
vlan-strip-offload on|off
}
uio-driver driver-name¶
Change UIO driver used by VPP, Options are: igb_uio, vfio-pci, uio_pci_generic or auto (default)
uio-driver vfio-pci
no-multi-seg¶
Disable multi-segment buffers, improves performance but disables Jumbo MTU support
no-multi-seg
socket-mem <n>¶
Change hugepages allocation per-socket, needed only if there is need for larger number of mbufs. Default is 256M on each detected CPU socket
socket-mem 2048,2048
no-tx-checksum-offload¶
Disables UDP / TCP TX checksum offload. Typically needed for use faster vector PMDs (together with no-multi-seg)
no-tx-checksum-offload
enable-tcp-udp-checksum¶
Enable UDP / TCP TX checksum offload This is the reversed option of ‘no-tx-checksum-offload’
enable-tcp-udp-checksum
The plugins Section¶
Configure VPP plugins.
plugins {
path /ws/vpp/build-root/install-vpp-native/vpp/lib/vpp_plugins
plugin dpdk_plugin.so enable
}
path pathname¶
Adjust the plugin path depending on where the VPP plugins are.
path /ws/vpp/build-root/install-vpp-native/vpp/lib/vpp_plugins
plugin plugin-name | default enable | disable¶
Disable all plugins by default and then selectively enable specific plugins
plugin default disable
plugin dpdk_plugin.so enable
plugin acl_plugin.so enable
Enable all plugins by default and then selectively disable specific plugins
plugin dpdk_plugin.so disable
plugin acl_plugin.so disable
Th statseg Section¶
statseg {
per-node-counters on
}
socket-name <filename>¶
Name of the stats segment socket defaults to /run/vpp/stats.sock.
socket-name /run/vpp/stats.sock
Some Advanced Parameters:¶
acl-plugin Section¶
These parameters change the configuration of the ACL (access control list) plugin, such as how the ACL bi-hash tables are initialized.
They should only be set by those that are familiar with the interworkings of VPP and the ACL Plugin.
The first three parameters, connection hash buckets, connection hash memory, and connection count max, set the connection table per-interface parameters for modifying how the two bounded-index extensible hash tables for IPv6 (40*8 bit key and 8*8 bit value pairs) and IPv4 (16*8 bit key and 8*8 bit value pairs) ACL plugin FA interface sessions are initialized.
connection hash buckets <n>¶
Sets the number of hash buckets (rounded up to a power of 2) in each of the two bi-hash tables. Defaults to 64*1024 (65536) hash buckets.
connection hash buckets 65536
connection hash memory <n>¶
Sets the allocated memory size (in bytes) for each of the two bi-hash tables. Defaults to<PHONE_NUMBER> bytes.
connection hash memory<PHONE_NUMBER>
connection count max <n>¶
Sets the maximum number of pool elements when allocating each per-worker pool of sessions for both bi-hash tables. Defaults to 500000 elements in each pool.
connection count max 500000
main heap size <n>G | <n>M | <n>K | <n>¶
Sets the size of the main memory heap that holds all the ACL module related allocations (other than hash.) Default size is 0, but during ACL heap initialization is equal to per_worker_size_with_slack * tm->n_vlib_mains + bihash_size + main_slack. Note that these variables are partially based on the connection table per-interface parameters mentioned above.
main heap size 3G
The next three parameters, hash lookup heap size, hash lookup hash buckets, and hash lookup hash memory, modify the initialization of the bi-hash lookup table used by the ACL plugin. This table is initialized when attempting to apply an ACL to the existing vector of ACLs looked up during packet processing (but it is found that the table does not exist / has not been initialized yet.)
hash lookup heap size <n>G | <n>M | <n> K | <n>¶
Sets the size of the memory heap that holds all the miscellaneous allocations related to hash-based lookups. Default size is 67108864 bytes.
hash lookup heap size 70M
hash lookup hash buckets <n>¶
Sets the number of hash buckets (rounded up to a power of 2) in the bi-hash lookup table. Defaults to 65536 hash buckets.
hash lookup hash buckets 65536
hash lookup hash memory <n>¶
Sets the allocated memory size (in bytes) for the bi-hash lookup table. Defaults to 67108864 bytes.
hash lookup hash memory 67108864
use tuple merge <n>¶
Sets a boolean value indicating whether or not to use TupleMerge for hash ACL’s. Defaults to 1 (true), meaning the default implementation of hashing ACL’s does use TupleMerge.
use tuple merge 1
tuple merge split threshold <n>¶
Sets the maximum amount of rules (ACE’s) that can collide in a bi-hash lookup table before the table is split into two new tables. Splitting ensures less rule collisions by hashing colliding rules based on their common tuple (usually their maximum common tuple.) Splitting occurs when the length of the colliding rules vector is greater than this threshold amount. Defaults to a maximum of 39 rule collisions per table.
tuple merge split threshold 30
reclassify sessions <n>¶
Sets a boolean value indicating whether or not to take the epoch of the session into account when dealing with re-applying ACL’s or changing already applied ACL’s. Defaults to 0 (false), meaning the default implementation does NOT take the epoch of the session into account.
reclassify sessions 1
api-queue Section¶
length <n>¶
Sets the api queue length. Minimum valid queue length is 1024, which is also the default.
length 2048
cj Section¶
The circular journal (CJ) thread-safe circular log buffer scheme is occasionally useful when chasing bugs. Calls to it should not be checked in. See …/vlib/vlib/unix/cj.c. The circular journal is disables by default. When enabled, the number of records must be provided, there is no default value.
records <n>¶
Configure the number of circular journal records in the circular buffer. The number of records should be a power of 2.
records 131072
dns Section¶
max-cache-size <n>¶
Set the maximum number of active elements allowed in the pool of dns cache entries. When resolving an expired entry or adding a new static entry and the max number of active entries is reached, a random, non-static entry is deleted. Defaults to 65535 entries.
max-cache-size 65535
heapsize Section¶
Heapsize configuration controls the size of the main heap. The heap size is configured very early in the boot sequence, before loading plug-ins or doing much of anything else.
heapsize <n>M | <n>G¶
Specifies the size of the heap in MB or GB. The default is 1GB. Setting the main heap size to 4GB or more requires recompilation of the entire system with CLIB_VEC64 > 0. See …/clib/clib/vec_bootstrap.h.
heapsize 2G
ip Section¶
IPv4 heap configuration. he heap size is configured very early in the boot sequence, before loading plug-ins or doing much of anything else.
heap-size <n>G | <n>M | <n>K | <n>¶
Set the IPv4 mtrie heap size, which is the amount of memory dedicated to the destination IP lookup table. The input value can be set in GB, MB, KB or bytes. The default value is 32MB.
heap-size 64M
ip6 Section¶
IPv6 heap configuration. he heap size is configured very early in the boot sequence, before loading plug-ins or doing much of anything else.
heap-size <n>G | <n>M | <n>K | <n>¶
Set the IPv6 forwarding table heap size. The input value can be set in GB, MB, KB or bytes. The default value is 32MB.
heap-size 64M
hash-buckets <n>¶
Set the number of IPv6 forwarding table hash buckets. The default value is 64K (65536).
hash-buckets 131072
l2learn Section¶
Configure Layer 2 MAC Address learning parameters.
limit <n>¶
Configures the number of L2 (MAC) addresses in the L2 FIB at any one time, which limits the size of the L2 FIB to <n> concurrent entries. Defaults to 4M entries (4194304).
limit 8388608
l2tp Section¶
IPv6 Layer 2 Tunnelling Protocol Version 3 (IPv6-L2TPv3) configuration controls the method used to locate a specific IPv6-L2TPv3 tunnel. The following settings are mutually exclusive:
logging Section¶
nthrottle-time <n>¶
Set the global value for the time to wait (in seconds) before resuming logging of a log subclass that exceeded the per-subclass message-per-second threshold. Defaults to 3.
unthrottle-time 3
default-log-level emerg|alert | crit | err | warn | notice | info | debug | disabled¶
Set the default logging level of the system log. Defaults to notice.
default-log-level notice
default-syslog-log-level emerg|alert | crit | err | warn | notice | info | debug | disabled¶
Set the default logging level of the syslog target. Defaults to warning.
default-syslog-log-level warning
mactime Section¶
lookup-table-buckets <n>¶
Sets the number of hash buckets in the mactime bi-hash lookup table. Defaults to 128 buckets.
lookup-table-buckets 128
lookup-table-memory <n>G | <n>M | <n>K | <n>¶
Sets the allocated memory size (in bytes) for the mactime bi-hash lookup table. The input value can be set in GB, MB, KB or bytes. The default value is 262144 (256 << 10) bytes or roughly 256KB.
lookup-table-memory 300K
timezone_offset <n>¶
Sets the timezone offset from UTC. Defaults to an offset of -5 hours from UTC (US EST / EDT.)
timezone_offset -5
“map” Parameters¶
customer edge¶
Sets a boolean true to indicate that the MAP node is a Customer Edge (CE) router. The boolean defaults to false, meaning the MAP node is not treated as a CE router.
customer edge
nat Section¶
These parameters change the configuration of the NAT (Network address translation) plugin, such as how the NAT & NAT64 bi-hash tables are initialized, if the NAT is endpoint dependent, or if the NAT is deterministic.
For each NAT per thread data, the following 4 parameters change how certain bi-hash tables are initialized.
translation hash buckets <n>¶
Sets the number of hash buckets in each of the two in/out NAT bi-hash lookup tables. Defaults to 1024 buckets.
If the NAT is indicated to be endpoint dependent, which can be set with the endpoint-dependent parameter, then this parameter sets the number of hash buckets in each of the two endpoint dependent sessions NAT bi-hash lookup tables.
translation hash buckets 1024
translation hash memory <n>¶
Sets the allocated memory size (in bytes) for each of the two in/out NAT bi-hash tables. Defaults to 134217728 (128 << 20) bytes, which is roughly 128 MB.
If the NAT is indicated to be endpoint dependent, which can be set with the endpoint-dependent parameter, then this parameter sets the allocated memory size for each of the two endpoint dependent sessions NAT bi-hash lookup tables.
translation hash memory 134217728
user hash buckets <n>¶
Sets the number of hash buckets in the user bi-hash lookup table (src address lookup for a user.) Defaults to 128 buckets.
user hash buckets 128
user hash memory <n>¶
Sets the allocated memory size (in bytes) for the user bi-hash lookup table (src address lookup for a user.) Defaults to 67108864 (64 << 20) bytes, which is roughly 64 MB.
user hash memory 67108864
max translations per user <n>¶
Sets the maximum amount of dynamic and/or static NAT sessions each user can have. Defaults to 100. When this limit is reached, the least recently used translation is recycled.
max translations per user 50
deterministic¶
Sets a boolean value to 1 indicating that the NAT is deterministic. Defaults to 0, meaning the NAT is not deterministic.
deterministic
nat64 bib hash buckets <n>¶
Sets the number of hash buckets in each of the two in/out NAT64 BIB bi-hash tables. Defaults to 1024 buckets.
nat64 bib hash buckets 1024
nat64 bib hash memory <n>¶
Sets the allocated memory size (in bytes) for each of the two in/out NAT64 BIB bi-hash tables. Defaults to 134217728 (128 << 20) bytes, which is roughly 128 MB.
nat64 bib hash memory 134217728
nat64 st hash buckets <n>¶
Sets the number of hash buckets in each of the two in/out NAT64 session table bi-hash tables. Defaults to 2048 buckets.
nat64 st hash buckets 2048
nat64 st hash memory <n>¶
Sets the allocated memory size (in bytes) for each of the two in/out NAT64 session table bi-hash tables. Defaults to 268435456 (256 << 20) bytes, which is roughly 256 MB.
nat64 st hash memory 268435456
endpoint-dependent¶
Sets a boolean value to 1, indicating that the NAT is endpoint dependent. Defaults to 0, meaning the NAT is not endpoint dependent.
endpoint-dependent
oam Section¶
OAM configuration controls the (ip4-icmp) interval, and number of misses allowed before reporting an oam target down to any registered listener.
interval <n.n>¶
Interval, floating-point seconds, between sending OAM IPv4 ICMP messages. Default is 2.04 seconds.
interval 3.5
physmem Section¶
Configuration parameters used to specify base address and maximum size of the memory allocated for the pmalloc module in VPP. pmalloc is a NUMA-aware, growable physical memory allocator. pmalloc allocates memory for the DPDK memory pool.
max-size <n>G | <n>M | <n>K | <n>¶
Set the memory size for pmalloc memory space. The default is 16G.
max-size 4G
tapcli Section¶
Configuration parameters for TAPCLI (dynamic tap interface hookup.)
mtu <n>¶
Sets interface MTU (maximum transmission unit) size in bytes. This size is also related to the number of MTU buffers. Defaults to 1500 bytes.
mtu 1500
tcp Section¶
Configuration parameters for TCP host stack utilities. The following preallocation parameters are related to the initialization of fixed-size, preallocation pools.
preallocated-connections <n>¶
Sets the number of preallocated TCP connections. Defaults to 0. The preallocated connections per thread is related to this value, equal to (preallocated_connections / (num_threads - 1)).
preallocated-connections 5
preallocated-half-open-connections <n>¶
Sets the number of preallocated TCP half-open connections. Defaults to 0.
preallocated-half-open-connections 5
buffer-fail-fraction <n.n>¶
Sets the TCP buffer fail fraction (a float) used for fault-injection when debugging TCP buffer allocation. Its use is found in tcp_debug.h. Defaults to 0.0.
buffer-fail-fraction 0.0
tls Section¶
Configures TLS parameters, such as enabling the use of test certificates. These parameters affect the tlsmbedtls and tlsopenssl plugins.
use-test-cert-in-ca¶
Sets a boolean value to 1 to indicate during the initialization of a TLS CA chain to attempt to parse and add test certificates to the chain. Defaults to 0, meaning test certificates are not used.
use-test-cert-in-ca
ca-cert-path <filename>¶
Sets the filename path of the location of TLS CA certificates, used when initializing and loading TLS CA certificates during the initialization of a TLS CA chain. If not set, the default filename path is /etc/ssl/certs/ca-certificates.crt.
ca-cert-path /etc/ssl/certs/ca-certificates.crt
tuntap Section¶
The “tuntap” driver configures a point-to-point interface between the vpp engine and the local Linux kernel stack. This allows e.g. users to ssh to the host | VM | container via vpp “revenue” interfaces. It’s marginally useful, and is currently disabled by default. To [dynamically] create TAP interfaces - the preferred scheme - see the “tap_connect” binary API. The Linux network stack “vnet” interface needs to manually configure, and VLAN and other settings if desired.
ethernet|ether¶
Create a tap device (ethernet MAC) instead of a tun device (point-to-point tunnel). The two keywords are aliases for the same function.
ethernet
have-normal-interface|have-normal¶
Treat the host Linux stack as a routing peer instead of programming VPP interface L3 addresses onto the tun/tap devices. The two keywords are aliases for the same function.
have-normal-interface
vhost-user Section¶
Vhost-user configuration parameters control the vhost-user driver.
coalesce-frames <n>¶
Subject to deadline-timer expiration - see next item - attempt to transmit at least <n> packet frames. Default is 32 frames.
coalesce-frames 64
coalesce-time <seconds>¶
Hold packets no longer than (floating-point) seconds before transmitting them. Default is 0.001 seconds
coalesce-time 0.002
dont-dump-memory¶
vhost-user shared-memory segments can add up to a large amount of memory, so it’s handy to avoid adding them to corefiles when using a significant number of such interfaces.
dont-dump-memory
vlib Section¶
These parameters configure VLIB, such as allowing you to choose whether to enable memory traceback or a post-mortem elog dump.
memory-trace¶
Enables memory trace (mheap traceback.) Defaults to 0, meaning memory trace is disabled.
memory-trace
elog-events <n>¶
Sets the number of elements/events (the size) of the event ring (a circular buffer of events.) This number rounds to a power of 2. Defaults to 131072 (128 << 10) elements.
elog-events 4096
elog-post-mortem-dump¶
Enables the attempt of a post-mortem elog dump to /tmp/elog_post_mortem.<PID_OF_CALLING_PROCESS> if os_panic or os_exit is called.
elog-post-mortem-dump


Creational patterns are focused towards how to instantiate an object or group of related objects.
In software engineering, creational design patterns are design patterns that deal with object creation mechanisms, trying to create objects in a manner suitable to the situation. The basic form of object creation could result in design problems or added complexity to the design. Creational design patterns solve this problem by somehow controlling this object creation.


Blockchain in JavaScript
Create blockchain
Mining Difficulty:
Create
Blockchain status
Show blockchain
Check valid
// Click show blockchain to display it
Add new block
Data:
Add
Corrupt blockchain
(CHAIN.chain[0].hash = '');
Corrupt it!
Proof Of Work
Log of mined blocks


Logout
New League Name {{vm.leaguename}} League name is required Add
League name:{{league.name}} {{league.id}} Enter


Personally, I've had some problems using Kendo UI Web date validator:
it only works on input[type="date"]
and since the DatePicker widget
transforms it's <input>
element to input[type="text"]
,
you can't use the validator anymore.
Kiui Date validator can be applied to any <input>
element
and it just works with DatePickers. Additionally, you can also specify
a custom culture that the validator will use when trying to parse the date.
To start using the Date validator just add the attribute data-kiui-date
to an <input>
element and you're done; the date will be validated
using every standard format defined for the current default culture.
You can specify a custom format to be used when parsing the date; you can do so
by setting the attribute value to the desired format, such as
data-kiui-date="dd-MM-yyyy"
. Now only that format will
be used to parse the date.
You can also specify a custom culture to be used when parsing the date instead
of the current default one. You can do so by setting the attribute
data-kiui-date-culture
to the desired custom culture. Now only
the standard formats defined for the custom culture will be used to parse the date.
Unfortunately there seems to be a bug in kendo.parseDate()
and so
the custom culture that you wish to use must have been set at least once as
the default culture for the parsing to work correctly. See the Javascript example
code for a way to do this.
If you specify both a custom format and a custom culture, only the custom format will be considered when parsing the date.


615,000 people in Dublin, Kildare and Meath facing third day of boil water notice
by By Digital Desk staff615,000 people face a third day of boiling their water today in Dublin, Kildare and Meath.
Testing at the Leixlip treatment plant is continuing, after heavy weekend rain affected water quality and triggered a major boil water notice.
The boil water notice will not end until tomorrow at the very earliest.
Three test results proving acceptable quality levels must come back before the ban can be lifted.
The final sample is due later this evening, when a decision will then be taken by health authorities on the boil water notice.
The affected householders were impacted by a separate three day ban just two weeks ago.
Now Irish Water is warning of further boil water notices for people served by the Leixlip plant, until it is upgraded.
That is due to be done next summer.


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email and attachments is strictly prohibited.


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3 new channels coming to DStv
Cape Town – Multichoice is adding three new channels to the DStv platform.
The company announced on Wednesday that CuriosityStream, CBS Justice and Euronews will be available from 21 November.
CuriosityStream and CBS Justice will air for the first time in Africa on channels 185 and 170 while Euronews, currently available on DStv’s Compact Plus package in the rest of Africa, will now be available to Southern Africa on channel 414.
Multichoice first hinted about the new channels in October.
"We’re thrilled to finally announce the launch of these channels that will expand the line-up of new programming for our DStv customers to enjoy," says Yolisa Phahle, CEO of General Entertainment at MultiChoice Group.
"CuriosityStream will give our viewers informative entertainment that the family can enjoy together and it’s with great pride that we are able to launch CBS Justice, a new true-crime channel which is part of the CBS AMC Networks EMEA portfolio of channels. We’re also delighted to expand our viewers’ choice of news and actuality programming with Euronews, so they’re kept in touch with what’s happening around the world."
MORE ABOUT THE CHANNELS
Curiosity Stream features nonfiction documentaries and series about science, nature, history, technology, society and lifestyle.
CBS Justice will feature compelling and heartfelt true crime documentaries and series. Original productions include: The Real Prime Suspect, Donal MacIntyre’s Murder Files, Secrets of a Psychopath and Evidence of Evil.
Euronews is Europe’s number one international news channel, currently delivering 24/7 news to almost 400 million TV households in 160 countries.
Compiled by Leandra Engelbrecht.


## this is the skeleton of all pages on our site - it defines the basic structure with our menus, sidebars, etc.
## by naming this file with .htm, it can't be viewed directly (urls.py only allows full .html)
## set up a StaticRenderer object to enable the CSS/JS automatic inclusion magic.
<%! from base_app import static_files %>
<% static_renderer = static_files.StaticRenderer(self) %>
<%block name="left_side">
left side content
%block>
<%block name="center">
center
%block>
## render the JS for this page (placed here at the end because browsers apparently load faster when JS is at the end)
${ static_renderer.get_template_js(request, context) }


Outline
- Background
- A trip down memory lane in Storebrand: How did we get started?
- How we learned to love web-testing, and
- How we learned to hate it.
- Web-testing practices
- Testing the web and nothing but the web
- Black-box testing
- Acceptance/system testing
- Integration testing
- How to fit web-tests into the rest of your test-model
- How web-tests can give you good URLs and HTML design
- Running web-tests on the Continous Integration server
- Getting your users to help out: delivering bug reports with test-scripts
- Test fixtures
- Advanced web-testing
- Acceptence web-testing combining FitNesse and Selenium
- Behaviour-Driven Development with web tests (Selenium combined with the RPsec Story Framework)
- Web tests from a test strategy perspective
- How to scale (with Selenium Grid)
- Pitfalls
- Too many tests
- Too slow tests
- The tests break all the time!
- Some refactoring breaks all the tests
- Using web-tests for everything
- How to combine system testing with manual testing
- Capturing system requirements in web tests
- QA
Required experience:
No particular experience is strictly required, but having tried out some web- testing tool could be an advantage.
Expected audience:
- Web developers
- QA/testers
- People interested in testing in general
By attending this presentation, participants will learn...
- How to get started with web-testing
- How to keep doing it successfully
- How to use web-tests as part of an agile project


Any communication with a referee must be restricted to
confirming the details of the
venue, kick off time and any other relevant information regarding a forthcoming fixture.
No conversation or correspondence with a referee is allowed
after the match has been played and he/she has left the venue.
Now please click here


How to Wear This Season’s It-Coat
It can be so easy to fall into a wardrobe rut as temperatures drop. But resist the urge to rely on safe staples and muted colors, and instead, swap out some of that black and gray for hues that are much brighter and a lot more playful.
Max Mara’s Teddy Bear coat—reimagined this season in five exciting colors—is the outerwear staple your closet needs now. Ahead, how to style the coziest coat you’ll ever own.
YELLOW with denim
Dress down the bright yellow coat with a pair of easy vintage jeans and a white button-up. The casual outfit allows your outerwear to have its own moment without feeling too extra. Keep that same laid-back attitude by finishing off with a pair of sneakers.
ROYAL BLUE with all-black
This powerful, royal blue hue is a strong statement on its own. Let it stand out by pairing it with a classic New York City look: head-to-toe black.
IVORY with neutrals
For a super soft effect, wear the ivory Teddy with pieces in the same color family to nail one of this season’s big trends: tonal dressing. Here, it’s worn with a combination of creamy beige, taupe, and camel pieces that create one seamless, chic look.
 Pair it all with black tights for an outfit that looks—and feels—incredibly warm.
 Add a jolt of fresh color into your wardrobe by going all-out with a monochromatic look in a very bold hue—accessories included.


{% extends "layout.html" %} {% block cssIncludes %} {% endblock %} {% block jsIncludes %} {% endblock %} {% block navbarSections %}
--xml
like:
cp2k.sopt --xml
cp2k_input.xml
with a XML dump of the CP2K input
structure in the same directory.
cp2k_input.xml
to cp2k/web/manual/newManual
sudo pip install lxml
sudo pip install Jinja2
cp2k_input.xml
to HTML manual using a Python script createManual.py
python createManual.py
index.html
file generated in the
previous step located in build
directory.


IEEE 754 calculator.
Please select a conversion you would like to make
Decimal to Single Precision
Decimal to Double Precision
Single Precision to Decimal
Double Precision to Decimal
Input
Submit


Whether you’re a starving artist, college student, or frugal stay-at-home Dad just trying to earn an extra buck, we’ve compiled some of the top apps that pay for you to explore. Check them out!
Most of these apps are going to make you work for a buck. S’more actually pays you for just sitting there! S’more displays ads on your lockscreen - silent, unobtrusive display ads - and then lets you cash out points at the end of the month.
You need an Android phone to use S’more (Apple’s terms and conditions won’t allow this type of ad network) But once you’ve installed it, that’s it! You’re ready to start accumulating points.
Typical payout is between $3 and 5 per month, which really adds up! Points can be exchanged for gift cards to Amazon and other popular retailers.
You can downloaded the S’more app here in the Google Play store.
If you’re good at anything, (and even if you’re not), you should check out Fiverr.
Fiverr lets you connect with other people around the world in need of a specific service. Usually they are one-off gigs. People come to Fiverr when they need a writer for a blog post, and artist that makes logos out of food, a e-book cover design of a unicorn, a musician for a jingle, etc. Just like the name suggests, the jobs usually pay $5 each.
Obviously you can’t make a fortune on $5 jobs, but it can help pad your wallet a bit. It also may give you an outlet to exercise hobbies you don’t usually get to do.
If you love filling out surveys, this app is your you. It’s called “Field Agent” because users with the app act as agents for large companies, helping them with grassroots research to collect photos, video, and information from stores and other locations. This information is used by those businesses to better serve their customers. Oh and the best part is, you can get paid!
Check out the Field Agent website for more info on how it works.
Foap is like Fiverr for amateur photographers.
If you have a camera roll with over 10,000 photos on it that you’ve never posted online, this app is for you. You can upload those high quality that have never seen the light of day to Foap and maybe get paid for them! The idea of foap is that content creators are looking for cheaper alternatives to stock photography, at the same time that mobile phone cameras are getting better and better. If your photos sell, you’ll get a percentage of the payout. Additionally you can earn extra rewards for highly rated images.
It’s no secret that the Internet is full of “fauxtographers,” so if you’re even halfway decent at capturing beautiful images, you have a pretty good chance of standing out on Foap. Many major companies rely on Foap for images to be used in their catalogs and websites. If your photography skills go beyond the “everyday” photographer’s, you might end up making a connection that could lead to a much better-paying gig.
Ibotta is a service that, quite frankly, should be used by everyone.
We all buy groceries, and we all wish we didn’t have to spend so much on them. Ibotta provides rebates for specific grocery-related items bought at either supermarkets or retail stores, given that you kept the receipt.
After doing your weekly food shopping, you upload a picture of your receipt to Ibotta, and - if you’ve purchased any of the items currently being featured - you’ll receive actual cash back. No reward points. No gimmicks. Actual cash.
Even better, you have the option of joining “teams” with specific shopping goals. Once your team reaches a goal, you’ll receive the predetermined monthly bonus reward.
You can have your earnings transferred either to your PayPal or Venmo account, or, if you choose, you can purchase gift cards for various retailers with your money.
Grocery shopping is getting more and more expensive every year. Ibotta can help put a little bit of that change back in your pocket.


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Wall Street starts week on strong footing led by tech shares
by Eren Sengezer- Positive developments on US-China trade dispute drive stocks higher.
- All major sectors of the S&P 500 are in positive territory on Monday.
- Risk-sensitive technology shares lead the rally in early trade.
Wall Street's main indexes started the week on a positive note as investors cheer the positive developments surrounding the United States(US)-China trade dispute. As of writing, the Dow Jones Industrial Average was up 0.36% on a daily basis while the S&P 500 and the Nasdaq Composite were adding 0.45% and 0.85%, respectively.
The Global Times on Monday reported that China and the US were moving closer to concluding phase one of the trade deal despite some media reports suggesting that sides were struggling to reach an agreement. Additionally, China, over the weekend, has announced its decision to increase penalties on intellectual property (IP) theft in an effort to please the US ahead of next round of face-to-face talks.
Among the 11-major S&P 500 sectors, which are all in the positive territory in the early trade, the risk-sensitive Technology Index is up 1% on the day to lead the winners. On the other hand, a 0.7% decline in oil prices causes the Energy Index to underperform.


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Libra is the Cardinal stage of the Air Element that is ruled by the solar side of Venus. This means that they use Venus energy of bringing things that are similar together and catalyze (Cardinal stage) relationships, communication, and ideas (Air element). It is the energy of Venus that makes them charming, love being around people, love music, love art and beauty. The Cardinal stage makes them love sparking new relationships and leading others into new ideas/ventures. The Air Element is what makes them so intelligent, great communicators, easy flowing, and great thinkers. Libra's general focus in life is achieving balance in all aspects of their lives, going through stages of extremities until finally reaching the coveted equilibrium.
The Libra symbol is a blindfolded woman holding a scale. The blindfold represents that justice is blind and that is why Libra are so motivated to bring justice and fairness to the world. It also symbolizes that love is blind, noting to Libra's addiction to love and romance. The scales represent Libra's never ending struggle for achieving balance that goes through the path of the scales tipping from one extreme to the other in an effort to balance themselves. This represents Libra's often seesawing from one extreme to the other in their lives.
The blindfold represents that justice is blind and that is why Libra are so motivated to bring justice and fairness to the world. It also symbolizes that love is blind, noting to Libra's addiction to love and romance.
Libra is the "Marriage" stage in the Astrological Karmic Cycle. Right after the lonely and selfish stage of Virgo, the soul wants to have as many connections as possible in order to share the beauty it sees in life. This attributes to Libra's love of making new connections, use of charm to be liked by others, and judging people with fairness. Their mantra in life is "I balance". They came to teach that "love is beauty" and came to learn that "love is harmony". Their karmic goal is to achieve harmony and balance in life.
Libra possess an extreme sense of justice and fairness, are very understanding, charming, delicate, and emotionally balanced (once they have reached that point). They are masters of communication and contact with others. They are a masters in planning things out and are often victorious because of their keen ability to see both sides of the coin properly and thus plan according to all sides.
Libra's potential weaknesses can be laziness, indecision, argumentativeness, lustfulness, and ill-tempered. They cannot stand to be alone. In their journey for balance, they sometimes fall into a weak spot of over-indulgence and lust. They need time to make decisions, constantly debating themselves and changing their decisions even over the simplest of matters. They cannot stand the thought of being unfair to someone and to them it is as bad as murder. They are weak in retrospective and needs someone to point out and help them realize what's really going on in their life.
His life long journey for balance can help him perfect many aspects in his life. Along the way, he might fall into a weak spot of over-indulgence and lust. His talent for weighing all his options can help him be a master planner and strategist in everything he does. The same trait can lead into indecisiveness and second guessing of himself. His addiction to romance and immense need to be with someone might lead him into rush and harmful decisions or journeys.
Libra love music. They enjoy the reality of being in a relationship and having a connection with someone regardless of how well or beneficial the relationship is. They love to argue even if it's just for the sake of arguing. They like to defend the other side of the argument even if they don't believe in it completely and especially if they believe in the cause/person or feel that they are defenseless. They like protecting the weak for the sake of justice. They like bright colors more than dark colors, and usually dresses very elegantly.
Libra hates being rushed to make decision. Hates being unfair or witnessing an injustice. Hates doing things alone or being alone. Hates to lose.
Libra love connecting with people and so approaching one is a very easy task. Although they usually wait for the right moment to approach someone, if you take the initiative, you will find that the Libra is more than welcoming towards you. Do not expect a very long lasting relationship, if you cannot provide the excitement and interest the Libra seek, they might just add you to the list of countless people they have met and lost interest in.
Libra are known to not show up to a place or event they RSVP'd to. Nothing personal, they just forgot or found something more interesting. Libra are naturally strong willed leaders but will follow your path if you can logically persuade them that your way makes more sense. Do not mistake Libra to be indecisive or try to rush them into making up their minds. Libras take their time to decide and when they have reached a decision, it is almost impossible to move them from it. You will find that Libra will often judge you and your actions out loud. Their intentions are solely to try and help you balance yourself out.
Libra love romance and want a mate who will be charming and romantic like they are. They have been known to jump from one mate to another due to their difficulty in remaining interested in one person/idea/thing for a long time and believe that the next person will be more interesting. The ideal mate for them would be one that can maintain mysteriousness or excitement for an infinite amount of time. They like someone who is classy and elegant like they are. They appreciate beauty and so would like for their mates to be good looking and well groomed. They are very intellectual and love arguing, therefore they want someone that can challenge their intellect and provide a stimulant conversation/argument.
Fair/fairness, just/justice, balance, together, in common, similar, beautiful.
Libra's corresponding body parts are the kidneys which harmonize the body. Their lucky color is green, their lucky stone is sapphire, their lucky number is 7, and their lucky day is Friday.
Aries
Mar 20 - Apr 20
Taurus
Apr 21 - May 21
Gemini
May 22 - Jun 21
Cancer
Jun 22 – Jul 21
Sagittarius
Nov 22 - Dec 21
Capricorn
Dec 21 - Jan 20
Aquarius
Jan 20 - Feb 18
Pisces
Feb 18 - Mar 20


Before Change
memory_sequence_length = (memory_sequence_length,)
memory_mask = []
for mem, mem_length in zip(memory, memory_sequence_length):
mem_mask = tf.sequence_mask(mem_length, maxlen=tf.shape(mem)[1], dtype=tf.float32)
mem_mask = tf.expand_dims(mem_mask, 1)
memory_mask.append(mem_mask)
// Run each layer.
new_cache = []
After Change
if not isinstance(memory_sequence_length, (list, tuple)):
memory_sequence_length = (memory_sequence_length,)
memory_mask = [
tf.sequence_mask(mem_length, maxlen=tf.shape(mem)[1])
for mem, mem_length in zip(memory, memory_sequence_length)]
// Run each layer.
new_cache = []


<dharpa-*>
A collection of reusable components for applications in the field of digital humanities. Built for DHARPA Project.
Visualization
Chord Diagram
<dharpa-chord-diagram>
is just an HTML element. You can use it anywhere you can use HTML!
<dharpa-chord-diagram />
Just add data, and the diagram is immediately updated.
document.querySelector('dharpa-chord-diagram').data = mydata


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Hierarchy For Package org.activiti.engine.delegate.event.impl
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java.lang.
Object
org.activiti.engine.delegate.event.impl.
ActivitiEventBuilder
org.activiti.engine.delegate.event.impl.
ActivitiEventDispatcherImpl
(implements org.activiti.engine.delegate.event.
ActivitiEventDispatcher
)
org.activiti.engine.delegate.event.impl.
ActivitiEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiActivityEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiActivityEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiActivityCancelledEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiActivityCancelledEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiErrorEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiErrorEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiMessageEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiMessageEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiSignalEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiSignalEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiEntityEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiEntityEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiEntityWithVariablesEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiEntityWithVariablesEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiProcessStartedEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiProcessStartedEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiEntityExceptionEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiEntityEvent
, org.activiti.engine.delegate.event.
ActivitiExceptionEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiMembershipEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiMembershipEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiProcessCancelledEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiCancelledEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiSequenceFlowTakenEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiSequenceFlowTakenEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiVariableEventImpl
(implements org.activiti.engine.delegate.event.
ActivitiVariableEvent
)
org.activiti.engine.delegate.event.impl.
ActivitiEventSupport
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Provides functionality to decide how the progress should be written, if at all.
make_kpb_output_decisions()
a write-able connection or NULL
This function makes decisions about how the progress bar should be displayed based on whether:
The code is being run in an interactive session or not
The code is part of a knitr
evaluation using knit()
or rmarkdown::render()
Options set by the user. These options include:
kpb.suppress_noninteractive: a logical value. Whether to suppress output when being run non-interactively.
kpb.use_logfile: logical, should a log-file be used for output?
kpb.log_file: character string defining the log-file to use. kpb.use_logfile must be TRUE
.
kpb.log_pattern: character string providing a pattern to use, will be combined with the chunk
label to create a log-file for each knitr chunk. kpb.use_logfile must be TRUE
.
Based on these, it will either return a newly opened connection, either via
stderr()
, stdout()
, or a file connection via file("logfile.log", open = "w")
.
Note that for files this will overwrite a previously existing file, and the contents
will be lost.
# NOT RUN { # suppress output when not interactive options(kpb.suppress_noninteractive = TRUE) # use a log-file, will default to kpb_output.txt options(kpb.use_logfile = TRUE) # use a specific log-file options(kpb.use_logfile = TRUE) options(kpb.log_file = "progress.txt") # use a log-file based on chunk names options(kpb.use_logfile = TRUE) options(kpb.log_pattern = "pb_out_") # for a document with a chunk labeled: "longcalc", this will generate "pb_out_longcalc.log" # }


The Works of Edgar Allan Poe
by Edgar Allan Poe
Annabel Lee
Additional Information
- Year Published: 1903
- Language: English
- Country of Origin: United States of America
- Source: Poe, E.A. (1903). The Works of Edgar Allan Poe, The Raven Edition, Volume 5. New York: P. F. Collier and Son.
-
Readability:
- Flesch–Kincaid Level: 8.0
- Word Count: 310
- Genre: Poetry
- Keywords: loss, love
- ✎ Cite This
Downloads
It was many and many a year ago, In a kingdom by the sea, That a maiden lived whom you may know By the name of ANNABEL LEE;— And this maiden she lived with no other thought Than to love and be loved by me.
I was a child and She was a child, In this kingdom by the sea, But we loved with a love that was more than love— I and my ANNABEL LEE— With a love that the wing'd seraphs of Heaven Coveted her and me.
And this was the reason that, long ago, In this kingdom by the sea, A wind blew out of a cloud by night Chilling my ANNABEL LEE; So that her high-born kinsmen came And bore her away from me, To shut her up, in a sepulchre In this kingdom by the sea.
The angels, not half so happy in Heaven, Went envying her and me; Yes! that was the reason (as all men know, In this kingdom by the sea) That the wind came out of the cloud, chilling And killing my ANNABEL LEE.
But our love it was stronger by far than the love Of those who were older than we— Of many far wiser than we— And neither the angels in Heaven above Nor the demons down under the sea Can ever dissever my soul from the soul Of the beautiful ANNABEL LEE:—
For the moon never beams without bringing me dreams Of the beautiful ANNABEL LEE; And the stars never rise but I see the bright eyes Of the beautiful ANNABEL LEE; And so, all the night-tide, I lie down by the side Of my darling, my darling, my life and my bride In her sepulchre there by the sea— In her tomb by the side of the sea.


A JavaScript library to provide a WebSocket connection that will automatically reconnect if the connection is disconnect.
github: https://github.com/smartUI/alivews


Expand your network by connecting with people who are looking to share a meal.
Discover a community of people looking to share a meal!
See where your friends are grabbing lunch, and join them!


Cost:Rs 135.0/kg
Ratings:4.2/5
Cost:Rs 41.50/kg
Ratings:4.4/5
Cost:Rs 45.0
Ratings:4.2/5
Cost:175.0/kg
Ratings:3.9/5
Cost:70.0
Ratings:4.3/5
Cost:295.0.0/kg
Ratings:3.9/5
Cost:75.0
Ratings:4.0/5
Cost:173.50/kg
Ratings:4.1/5
Cost:85.0/kg
Ratings:4.4/5
Cost:Rs 179.0
Ratings:4.1/5
Cost:Rs 200.0
Ratings:4.3/5
Cost:Rs 50.0
Ratings:4.4/5


true
to exclude input elements that are content-editable (i.e. have the contenteditable
attribute set),
or false
otherwise.
true
to exclude all elements with a tag name not matched by jQuery.hotkeys.textInputTypes
, or false
otherwise.
true
to exclude all input elements with a type attribute not set to one of the values contained in
jQuery.hotkeys.textAcceptingInputTypes
, or false
otherwise.
Generated using TypeDoc
The options for the jQuery Hotkeys plugin you may pass when initializing this plugin on an input element.


{{ define "main" }} {{ partial "people-grid.html" (dict "levels" .Params.people_levels "Site" .Site)}} {{ end }}


System |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| Required Skills | Programming Language(s) | Payment Information | Barriers | Cloud Computing | OS | ||||
| Programming | Data Science | Linux | MacOS | Windows | |||||
| Hyperopt-sklearn | Basic | Python, R, Java | None | None | No | Yes | - | Yes | |
| Auto-sklearn | Basic | Python | None | None | No | Yes | No | No | |
| TPOT | Basic | Python | None | None | No | Yes | Yes | Yes | |
| H2O AutoML | Basic | Basic | Python, R | None | None | Yes | Yes | Yes | Yes |
| SAS | None | None | None | None | Yes | - | - | - | |
| MLBox | Basic | Basic | Python | None | None | No | Yes | Yes | Yes |
| Google AutoML | None | None | None | Register a credit card before use. 19$ per training hour. | None | Yes | - | - | - |
| Azure Machine Learning | Basic | Python | Price depends on the chosen setup, which includes the virtual machine configuration and reservation period. | Free trial doesn't allow the user to train a model. | Yes | - | - | - | |
| MLJar | None | None | Python, R | Charges in a credit-based approach, where training spends credits. Free trial provides the user with an initial amount of credits. | - | Yes | - | - | - |
| ATM | Basic | Basic | Python | None | None | No | Yes | - | - |
| Auto_ml | Basic | Basic | Python | None | None | No | - | - | Yes |
| Amazon SageMaker | None | None | None | Register a credit card before use. 2 months free trial. | Testing phase is not automated, this can be done by sending inference requests to the deployed endpoint. | Yes | - | - | - |
| Uber Ludwig | None | Basic | Python | None | None | No | Yes | Yes | - |
| TransmogrifAI | Scala | None | Uncommon programming language. | No | - | - | - | ||
| The Automatic Statistician | - | - | No version available for the public. | - | - | - | - | ||
| AutoKeras | Basic | Basic | Python | None | None | No | Yes | - | - |
| Feature Tools | Basic | Basic | Python | None | None | No | Yes | Yes | Yes |
| tsfresh | Basic | Basic | Python | None | None | No | Yes | - | Yes |


justcore is a lightweight Javascript library that helps you modularize and structure your code. Simple, easy-to-use module management solution for building scalable applications.
npm install justcore --save
You can find full API documentation here.
app.js
import { Core } from "justcore";
import { SearchModule } from "./SearchModule";
const app = new Core();
app.use([
// your extensions
]);
app.init(() => {
// everything is hooked up and DOM is ready
// register your modules
app.addModule('search', sandbox => new SearchModule(sandbox));
// start your modules
app.startModule('search', {
// these props will be passed to the module's init method
props: {
root: document.getElementById('search-module')
}
});
});
SearchModule.js
export class SearchModule {
constructor(sandbox) {
this.sandbox = sandbox;
this.input = null;
this.handleInputChanged = this.handleInputChanged.bind(this);
}
// will be called first time when something starts the module
// this is where you can create view, store etc.
init(props) {
this.input = props.root.querySelector('input');
this.input.addEventListener("change", this.handleInputChanged);
}
// will be called when something stops the module
// this is where you can release resources, clear intervals etc.
destroy() {
this.input.removeEventListener("change", this.handleInputChanged);
this.input = null;
}
handleInputChanged(ev) {
// other modules can subscribe to that message
this.sandbox.publishAsync({
type: 'search.changed',
query: ev.currentTarget.value
});
}
}
Modules are the objects that describe your domain. Each module contains business logic related to its particular job. In sports application, one could be your soccer result widget that is responsible for displaying soccer score, or in an online store application, it could be your product panel that lists all available products. Modules consist of data and view, and since they are decoupled from each other, you can make different architecture decisions per each one, е.g. for some small module, you might not have actual objects representing its view and data.
It is also important to distinguish modules from ui elements / components / widgets - the latest are just reusable pieces of UI that contain no business logic, the 'V' in MV* patterns. All modules can use ui elements within their views.
Some rules that modules should follow:
The sandbox is an interface that connects the modules to the outside world. Modules only know about their sandbox instance and the rest of the architecture doesn't exist to them. Each sandbox instance acts like a facade of the core - translates its module's requests into core actions. Take time to design the Sandbox interface, because many modules will depend on it and changing it later will require you to update the affected modules too.
The application core is a mediator object that hooks everything together and runs your application. Its responsibilities:
Extensions are pieces of code that can extend the core in some of the following ways:
Also, each extension can expose its own lifecycle hook which other extensions can plug into.
Inspired by the fascinating patterns recommended by Nicolas Zakas in his talk "Scalable Javascript Application Architecture".
justcore is licensed under the MIT License.


Pune: Business-led platform organises sanitation summit
The Toilet Board Coalition (TBC), a business-led platform, has organised a three-day Global Sanitation Economy Summit at the Conrad over sanitation issues.
Written by Audita Bhattacharya
The Toilet Board Coalition (TBC), a business-led platform, has organised a three-day Global Sanitation Economy Summit at the Conrad over sanitation issues. “To accelerate the rate of change towards universal sanitation, business has a unique role to play. Business has solutions to bring to the global sanitation crisis,” said Cheryl, executive director and CEO, TBC.
“In 2016, we started our toilet accelerator programme, to bring new innovations to sanitation in low income countries. Over the past four years, from 2016 to 2019, we’ve supported a number of innovative businesses that have given us interesting insights as to where business can really play a role in giving universal access to sanitation. In doing so, we have estimated that the sanitation economy in India will be worth $62 billion by 2021. What we mean by sanitation economy is not just toilets and waste management but transformation of unaffordable public cost into sustainable business opportunities,” said Cheryl.
“Costs have always been the burden of governments, so to accelerate the pace of change, we found, firstly, sanitation can become a consumer space. Toilets are becoming sanitation centres that are providing access to consumers in terms of water, feminine hygiene products and health information. Many of these models have been pioneered in Pune, which is why we’re here. The other area where we saw value was in resources. The world is now constrained for water, energy, nutrients and agriculture…,” added Cheryl.


Script that combines exam topics / handouts / exercises in a single indexed pdf. That is, the script creates a single pdf which, thanks to LaTex, is divided into chapters (with clickable links) which correspond to the individual initial pdfs. So you have everything in one sorted file and avoid having to jump between too many different files. The pdfs may already be present in the folder where you leave the script, otherwise you can also provide the link of the site where they are located and the script will try to download them by itself.
Source code


{% load i18n %}
{% trans "If you delete this question, any previously collected data will be lost." %} {% trans "Do you want to delete this question?" %}
{% trans "Your changes will be lost if you don't save them." %}


Welcome to participate in this experiment! In this experiment, we will show you 20 short news in sequence, and your task is to classify the topic of each news.
The correct answer will be one out of the five categories, 1. Business, 2. Entertainment, 3. Healthy Living, 4. Politics, and 5. Technology.
The whole process will take you about 10-20 minutes. And we will pay a 1 USD bonus if your prediction accuracy >= 95% in the 20 tasks.
We will conduct an attention check. If you fail the attention check, we may not pay you.
Before the actual task, let's first go through a tutorial, which can help you perform better in the formal experiment.
Let's start with a tutorial!
If this button cannot be clicked (no response), you can refresh this webpage to try again.
Before moving to the main task, we need to get your consent.
In this study, we will collect your interaction logs on the task interface. We will not ask for your real name and contact information. We will collect your answers to every question in the questionnaire.
Participation in this study is voluntary. You are free to withdraw or discontinue participation at any time.
| Your prediction is AAA! |
| AI helps you analyze the evidence for/against each option. The AI has highlighted options that are more likely with bold and underlined text. However, you can explore all options with AI's analysis. Try to click all tabs to see the difference! |
Why Every Young Physician Should Have a Professional Twitter Account As patients and medical providers increasingly use online sources for information and support, Twitter offers a unique opportunity for young medical professionals like yourself to voice opinions and be heard in ways that otherwise would be challenging at such an early level of medical training.
The importance of a feature is encoded by the length of the bar where a longer bar means greater impact and vice versa
Why Every Young Physician Should Have a Professional Twitter Account As patients and medical providers increasingly use online sources for information and support, Twitter offers a unique opportunity for young medical professionals like yourself to voice opinions and be heard in ways that otherwise would be challenging at such an early level of medical training.
The importance of a feature is encoded by the length of the bar where a longer bar means greater impact and vice versa
Why Every Young Physician Should Have a Professional Twitter Account As patients and medical providers increasingly use online sources for information and support, Twitter offers a unique opportunity for young medical professionals like yourself to voice opinions and be heard in ways that otherwise would be challenging at such an early level of medical training.
The importance of a feature is encoded by the length of the bar where a longer bar means greater impact and vice versa
Why Every Young Physician Should Have a Professional Twitter Account As patients and medical providers increasingly use online sources for information and support, Twitter offers a unique opportunity for young medical professionals like yourself to voice opinions and be heard in ways that otherwise would be challenging at such an early level of medical training.
The importance of a feature is encoded by the length of the bar where a longer bar means greater impact and vice versa
Why Every Young Physician Should Have a Professional Twitter Account As patients and medical providers increasingly use online sources for information and support, Twitter offers a unique opportunity for young medical professionals like yourself to voice opinions and be heard in ways that otherwise would be challenging at such an early level of medical training.
The importance of a feature is encoded by the length of the bar where a longer bar means greater impact and vice versa


An outsourcing management platform built for a Chinese sanitation company. It was built using Reactjs on top of Meteor framework so that it can be deloyed into both a web application and an Android application. We used non-relational database MongoDB to store data.
We worked in a team of 3, and orgnazised our development progress with the help of JIRA. In this porject, I worked
as the team leader.
We now finished all the web-side functionalities, as well as 90% functions for mobile side. Simultaneously, we are testing existing functions, improving our software's reliability.