public abstract class ZoneRulesProvider extends Object
This class manages the configuration of time-zone rules. The static methods provide the public API that can be used to manage the providers. The abstract methods provide the SPI that allows rules to be provided.
ZoneRulesProvider may be installed in an instance of the Java Platform as
extension classes, that is, jar files placed into any of the usual extension
directories. Installed providers are loaded using the service-provider loading
facility defined by the ServiceLoader
class. A ZoneRulesProvider
identifies itself with a provider configuration file named
java.time.zone.ZoneRulesProvider
in the resource directory
META-INF/services
. The file should contain a line that specifies the
fully qualified concrete zonerules-provider class name.
Providers may also be made available by adding them to the class path or by
registering themselves via registerProvider(java.time.zone.ZoneRulesProvider)
method.
The Java virtual machine has a default provider that provides zone rules
for the time-zones defined by IANA Time Zone Database (TZDB). If the system
property java.time.zone.DefaultZoneRulesProvider
is defined then
it is taken to be the fully-qualified name of a concrete ZoneRulesProvider
class to be loaded as the default provider, using the system class loader.
If this system property is not defined, a system-default provider will be
loaded to serve as the default provider.
Rules are looked up primarily by zone ID, as used by ZoneId
.
Only zone region IDs may be used, zone offset IDs are not used here.
Time-zone rules are political, thus the data can change at any time. Each provider will provide the latest rules for each zone ID, but they may also provide the history of how the rules changed.
| Modifier | Constructor and Description |
|---|---|
protected |
ZoneRulesProvider()
Constructor.
|
| Modifier and Type | Method and Description |
|---|---|
static Set<String> |
getAvailableZoneIds()
Gets the set of available zone IDs.
|
static ZoneRules |
getRules(String zoneId,
boolean forCaching)
Gets the rules for the zone ID.
|
static NavigableMap<String,ZoneRules> |
getVersions(String zoneId)
Gets the history of rules for the zone ID.
|
protected boolean |
provideRefresh()
SPI method to refresh the rules from the underlying data provider.
|
protected abstract ZoneRules |
provideRules(String zoneId,
boolean forCaching)
SPI method to get the rules for the zone ID.
|
protected abstract NavigableMap<String,ZoneRules> |
provideVersions(String zoneId)
SPI method to get the history of rules for the zone ID.
|
protected abstract Set<String> |
provideZoneIds()
SPI method to get the available zone IDs.
|
static boolean |
refresh()
Refreshes the rules from the underlying data provider.
|
static void |
registerProvider(ZoneRulesProvider provider)
Registers a zone rules provider.
|
public static Set<String> getAvailableZoneIds()
These IDs are the string form of a ZoneId
.
public static ZoneRules getRules(String zoneId, boolean forCaching)
This returns the latest available rules for the zone ID.
This method relies on time-zone data provider files that are configured.
These are loaded using a ServiceLoader
.
The caching flag is designed to allow provider implementations to
prevent the rules being cached in ZoneId
.
Under normal circumstances, the caching of zone rules is highly desirable
as it will provide greater performance. However, there is a use case where
the caching would not be desirable, see provideRules(java.lang.String, boolean)
.
zoneId
- the zone ID as defined by ZoneId
, not nullforCaching
- whether the rules are being queried for caching,
true if the returned rules will be cached by ZoneId
,
false if they will be returned to the user without being cached in ZoneId
forCaching
is true and this
is a dynamic provider that wants to prevent caching in ZoneId
,
otherwise not nullZoneRulesException
- if rules cannot be obtained for the zone IDpublic static NavigableMap<String,ZoneRules> getVersions(String zoneId)
Time-zones are defined by governments and change frequently. This method allows applications to find the history of changes to the rules for a single zone ID. The map is keyed by a string, which is the version string associated with the rules.
The exact meaning and format of the version is provider specific. The version must follow lexicographical order, thus the returned map will be order from the oldest known rules to the newest available rules. The default 'TZDB' group uses version numbering consisting of the year followed by a letter, such as '2009e' or '2012f'.
Implementations must provide a result for each valid zone ID, however they do not have to provide a history of rules. Thus the map will always contain one element, and will only contain more than one element if historical rule information is available.
zoneId
- the zone ID as defined by ZoneId
, not nullZoneRulesException
- if history cannot be obtained for the zone IDpublic static void registerProvider(ZoneRulesProvider provider)
This adds a new provider to those currently available.
A provider supplies rules for one or more zone IDs.
A provider cannot be registered if it supplies a zone ID that has already been
registered. See the notes on time-zone IDs in ZoneId
, especially
the section on using the concept of a "group" to make IDs unique.
To ensure the integrity of time-zones already created, there is no way to deregister providers.
provider
- the provider to register, not nullZoneRulesException
- if a zone ID is already registeredpublic static boolean refresh()
This method allows an application to request that the providers check
for any updates to the provided rules.
After calling this method, the offset stored in any ZonedDateTime
may be invalid for the zone ID.
Dynamic update of rules is a complex problem and most applications
should not use this method or dynamic rules.
To achieve dynamic rules, a provider implementation will have to be written
as per the specification of this class.
In addition, instances of ZoneRules
must not be cached in the
application as they will become stale. However, the boolean flag on
provideRules(String, boolean)
allows provider implementations
to control the caching of ZoneId
, potentially ensuring that
all objects in the system see the new rules.
Note that there is likely to be a cost in performance of a dynamic rules
provider. Note also that no dynamic rules provider is in this specification.
ZoneRulesException
- if an error occurs during the refreshprotected abstract Set<String> provideZoneIds()
This obtains the IDs that this ZoneRulesProvider
provides.
A provider should provide data for at least one zone ID.
The returned zone IDs remain available and valid for the lifetime of the application. A dynamic provider may increase the set of IDs as more data becomes available.
ZoneRulesException
- if a problem occurs while providing the IDsprotected abstract ZoneRules provideRules(String zoneId, boolean forCaching)
This loads the rules for the specified zone ID.
The provider implementation must validate that the zone ID is valid and
available, throwing a ZoneRulesException
if it is not.
The result of the method in the valid case depends on the caching flag.
If the provider implementation is not dynamic, then the result of the method must be the non-null set of rules selected by the ID.
If the provider implementation is dynamic, then the flag gives the option
of preventing the returned rules from being cached in ZoneId
.
When the flag is true, the provider is permitted to return null, where
null will prevent the rules from being cached in ZoneId
.
When the flag is false, the provider must return non-null rules.
zoneId
- the zone ID as defined by ZoneId
, not nullforCaching
- whether the rules are being queried for caching,
true if the returned rules will be cached by ZoneId
,
false if they will be returned to the user without being cached in ZoneId
forCaching
is true and this
is a dynamic provider that wants to prevent caching in ZoneId
,
otherwise not nullZoneRulesException
- if rules cannot be obtained for the zone IDprotected abstract NavigableMap<String,ZoneRules> provideVersions(String zoneId)
This returns a map of historical rules keyed by a version string. The exact meaning and format of the version is provider specific. The version must follow lexicographical order, thus the returned map will be order from the oldest known rules to the newest available rules. The default 'TZDB' group uses version numbering consisting of the year followed by a letter, such as '2009e' or '2012f'.
Implementations must provide a result for each valid zone ID, however they do not have to provide a history of rules. Thus the map will contain at least one element, and will only contain more than one element if historical rule information is available.
The returned versions remain available and valid for the lifetime of the application. A dynamic provider may increase the set of versions as more data becomes available.
zoneId
- the zone ID as defined by ZoneId
, not nullZoneRulesException
- if history cannot be obtained for the zone IDprotected boolean provideRefresh()
This method provides the opportunity for a provider to dynamically recheck the underlying data provider to find the latest rules. This could be used to load new rules without stopping the JVM. Dynamic behavior is entirely optional and most providers do not support it.
This implementation returns false.
ZoneRulesException
- if an error occurs during the refreshDracula Javadoc Sample, Made with Allan Im.


|
eDSP
0.0.1
A cross-platform DSP library written in C++.
|
Classes | |
| struct | histogram |
| Histogram density estimator. More... | |
Functions | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | centroid (ForwardIt first, ForwardIt last) |
| Computes the centroid value of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | centroid (ForwardIt first1, ForwardIt last1, ForwardIt first2) |
| Computes the centroid value of the range [first1, last1) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | crest (ForwardIt first, ForwardIt last) |
| Computes the crest value of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | entropy (ForwardIt first, ForwardIt last) |
| Computes the normalized entropy of the probability mass function given in the range [first, last). More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | flatness (ForwardIt first, ForwardIt last) |
| Computes the flatness value of the range [first, last) More... | |
| template<distances d, typename InputIt > | |
| constexpr meta::value_type_t< InputIt > | flux (InputIt first1, InputIt last1, InputIt first2) |
| Computes the flux between the elements in the range [first1, last1) and the elements starting at first2. More... | |
| template<typename ForwardIt , typename Integer > | |
| constexpr meta::value_type_t< ForwardIt > | generalized_mean (ForwardIt first, ForwardIt last, Integer beta) |
| Computes the generalized mean of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | geometric_mean (ForwardIt first, ForwardIt last) |
| Computes the geometric mean of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | harmonic_mean (ForwardIt first, ForwardIt last) |
| Computes the harmonic mean of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | kurtosis (ForwardIt first, ForwardIt last) |
| Computes the Kurtosis of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | max (ForwardIt first, ForwardIt last) |
| Computes the maximum value of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | maxabs (ForwardIt first, ForwardIt last) |
| Computes the maximum absolute value of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | mean (ForwardIt first, ForwardIt last) |
| Computes the average or mean value of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | median (ForwardIt first, ForwardIt last) |
| Computes the median of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | min (ForwardIt first, ForwardIt last) |
| Computes the minimum value of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | minabs (ForwardIt first, ForwardIt last) |
| Computes the minimum absolute value of the range [first, last) More... | |
| template<std::size_t N, typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | moment (ForwardIt first, ForwardIt last) |
| Computes the n-th moment of the range [first, last) More... | |
| template<std::size_t N, typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | moment (ForwardIt first, ForwardIt last, const meta::value_type_t< ForwardIt > mean) |
| Computes the nth moment of the range [first, last) considering the precomputed average. More... | |
| template<typename InputIt > | |
| constexpr meta::value_type_t< InputIt > | norm (InputIt first, InputIt last) |
| Compute the L2-norm of the signals in the range [first1, last1). More... | |
| template<typename ForwardIt > | |
| constexpr auto | peak (ForwardIt first, ForwardIt last) -> std::pair< typename meta::diff_type_t< ForwardIt >, typename meta::value_type_t< ForwardIt >> |
| Computes the peak value of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr auto | peakabs (ForwardIt first, ForwardIt last) -> std::pair< typename meta::diff_type_t< ForwardIt >, typename meta::value_type_t< ForwardIt >> |
| Computes the absolute peak value of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | rms (ForwardIt first, ForwardIt last) |
| Computes the root-mean-square (RMS) value of the range [first, last) More... | |
| template<typename ForwardIt , typename Floating > | |
| constexpr auto | rolloff (ForwardIt first, ForwardIt last, Floating percentage) |
| Computes the roll-off index of the elements in the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | rssq (ForwardIt first, ForwardIt last) |
| Computes the root-sum-of-squares (RSSS) value of the range [first, last) More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | skewness (ForwardIt first, ForwardIt last) |
| Computes the skewness of the range [first, last) More... | |
| template<typename InputIt , typename Allocator = std::allocator<meta::value_type_t<InputIt>>> | |
| constexpr meta::value_type_t< InputIt > | snr (InputIt first1, InputIt last1, InputIt first2) |
| Compute the SNR of the signals in the range [first1, last1) and the signal starting in first2. More... | |
| template<typename ForwardIt > | |
| constexpr meta::value_type_t< ForwardIt > | variance (ForwardIt first, ForwardIt last) |
| Computes the variance of the range [first, last) More... | |
| template<typename ForwardIt > | |
| meta::value_type_t< ForwardIt > | standard_deviation (ForwardIt first, ForwardIt last) |
| Computes the standard deviation of the range [first, last) More... | |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::centroid | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the centroid value of the range [first, last)
It is calculated as the division of the weighted mean of the the signal and the average of the magnitudes.
\[ y = \frac{\sum_{n=0}^{N-1}nx(n)}{\sum_{n=0}^{N-1}x(n)} \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::centroid | ( | ForwardIt | first1, |
| ForwardIt | last1, | ||
| ForwardIt | first2 | ||
| ) |
Computes the centroid value of the range [first1, last1)
It is calculated as the division of the weighted mean of the the signal and the average of the magnitudes.
\[ y = \frac{\sum_{n=0}^{N-1}f(n)x(n)}{\sum_{n=0}^{N-1}x(n)} \]
| first1 | Forward iterator defining the begin of the range to examine. |
| last1 | Forward iterator defining the end of the range to examine. |
| first2 | Forward iterator defining the beginning of the range representing the weights, \(f(i)\). |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::crest | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the crest value of the range [first, last)
It is calculated as the division of mean of the the signal and the maximum value of the magnitudes.
\[ y = \frac{ \frac{1}{N} \sum_{n=0}^{N-1}x(n)}{max \left( x \right)} \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::entropy | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the normalized entropy of the probability mass function given in the range [first, last).
Given a normalized probability mass function \( p(n) \), the entropy can explicitly be written as:
\[ H = - \sum_{n=0}^{N-1} p(n) \log_2 \left( p(n) \right) \]
Normalizing:
\[ H_n = - \frac{H}{log2(N)} \]
| first | Forward iterator defining the begin of the probability mass function. |
| last | Forward iterator defining the end of the probability mass function. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::flatness | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the flatness value of the range [first, last)
It is calculated as the division of geometric mean and the average of the magnitudes.
\[ y = \frac{\mu_g}{\mu} \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<InputIt> edsp::statistics::flux | ( | InputIt | first1, |
| InputIt | last1, | ||
| InputIt | first2 | ||
| ) |
Computes the flux between the elements in the range [first1, last1) and the elements starting at first2.
The flux is a measure of the difference between two signals, it is frequently used to estimates the differences in the power spectral between consecutive frames.
| d | Type of distance to be compute between each point. |
| first1 | Input iterator defining the beginning of the first input range. |
| last1 | Input iterator defining the ending of the first input range. |
| first2 | Input iterator defining the beginning of the second input range. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::generalized_mean | ( | ForwardIt | first, |
| ForwardIt | last, | ||
| Integer | beta | ||
| ) |
Computes the generalized mean of the range [first, last)
The generalized mean or power mean with exponent \( \beta \) is defined as:
\[ \mu_{\beta} = \left( \frac{1}{N}\sum_{n=0}^{N-1}x(n)^{\beta} \right) ^{\frac{1}{\beta}} \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| beta | Exponent ( \( \beta \)). |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::geometric_mean | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the geometric mean of the range [first, last)
The geometric mean is defined as:
\[ {\displaystyle \left(\prod _{i=1}^{n}x_{i}\right)^{\frac {1}{n}}={\sqrt[{n}]{x_{1}x_{2}\cdots x_{n}}}} \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::harmonic_mean | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the harmonic mean of the range [first, last)
The harmonic mean is defined as:
\[ {\displaystyle H={\frac {n}{{\frac {1}{x_{1}}}+{\frac {1}{x_{2}}}+\cdots +{\frac {1}{x_{n}}}}} ={\frac {n}{\sum \limits _{i=1}^{n}{\frac {1}{x_{i}}}}}=\left({\frac {\sum \limits _{i=1}^{n}x_{i}^{-1}}{n}}\right)^{-1}.} \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::kurtosis | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the Kurtosis of the range [first, last)
The kurtosis is the fourth standardized moment, defined as:
\[ {\displaystyle K [X] =E \left[\left({\frac {X-\mu }{\sigma }}\right)^{4}\right]={\frac {\mu _{4}}{\sigma ^{4}}} ={\frac {E [(X-\mu )^{4}]}{(E[(X-\mu )^{2}])^{2}}},} \]
where \( \mu_4 \) is the fourth central moment and \( \sigma \) is the standard deviation.
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::max | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the maximum value of the range [first, last)
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::maxabs | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the maximum absolute value of the range [first, last)
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::mean | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the average or mean value of the range [first, last)
The average is defined as:
\[ \mu = \frac{1}{N}\sum_{n=0}^{N-1}x(n) \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::median | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the median of the range [first, last)
The median of a finite list of numbers can be found by arranging all the numbers from smallest to greatest. If there is an odd number of numbers, the middle one is picked. If there is an even number of observations, then there is no single middle value; the median is then usually defined to be the mean of the two middle values
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::min | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the minimum value of the range [first, last)
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::minabs | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the minimum absolute value of the range [first, last)
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::moment | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the n-th moment of the range [first, last)
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| N | Order of the moment. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::moment | ( | ForwardIt | first, |
| ForwardIt | last, | ||
| const meta::value_type_t< ForwardIt > | mean | ||
| ) |
Computes the nth moment of the range [first, last) considering the precomputed average.
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| mean | Average of the range [first, last) |
| N | Order of the moment. |
| constexpr meta::value_type_t<InputIt> edsp::statistics::norm | ( | InputIt | first, |
| InputIt | last | ||
| ) |
Compute the L2-norm of the signals in the range [first1, last1).
The \( l^2 \)-norm is defined as:
\[ |x|=\sqrt(\sum_{n=0}^{N - 1}|x(n)|^2), \]
where \( |x_k| \) denotes the complex modules.
| first | Input iterator defining the beginning of the first input range. |
| last | Input iterator defining the ending of the first input range. |
| constexpr auto edsp::statistics::peak | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) | -> std::pair<typename meta::diff_type_t<ForwardIt>, typename meta::value_type_t<ForwardIt>> |
Computes the peak value of the range [first, last)
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr auto edsp::statistics::peakabs | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) | -> std::pair<typename meta::diff_type_t<ForwardIt>, typename meta::value_type_t<ForwardIt>> |
Computes the absolute peak value of the range [first, last)
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::rms | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the root-mean-square (RMS) value of the range [first, last)
The RMS value is defined as:
\[ x_{\mathrm {rms} }={\sqrt {{\frac {1}{n}}\left(x_{1}^{2}+x_{2}^{2}+\cdots +x_{n}^{2}\right)}} \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr auto edsp::statistics::rolloff | ( | ForwardIt | first, |
| ForwardIt | last, | ||
| Floating | percentage | ||
| ) |
Computes the roll-off index of the elements in the range [first, last)
The roll-off index is defined as the index under which some percentage (cutoff) of the total energy of the signal is contained.
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| percentage | Number between [0, 1] representing the percentage of the total energy of the roll-off index.. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::rssq | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the root-sum-of-squares (RSSS) value of the range [first, last)
\[ x_{\mathrm {rms} }={\sqrt {\left(x_{1}^{2}+x_{2}^{2}+\cdots +x_{n}^{2}\right)}} \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::skewness | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the skewness of the range [first, last)
The skewness is the third standardized moment, defined as:
\[ {\displaystyle K [X] =E \left[\left({\frac {X-\mu }{\sigma }}\right)^{3}\right]={\frac {\mu _{3}}{\sigma ^{3}}} ={\frac {E [(X-\mu )^{3}]}{(E[(X-\mu )^{2}])^{2}}},} \]
where \( \mu_3 \) is the fourth central moment and \( \sigma \) is the standard deviation.
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<InputIt> edsp::statistics::snr | ( | InputIt | first1, |
| InputIt | last1, | ||
| InputIt | first2 | ||
| ) |
Compute the SNR of the signals in the range [first1, last1) and the signal starting in first2.
Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. SNR is defined as the ratio of signal power to the noise power, often expressed in decibels. A ratio higher than 1:1 (greater than 0 dB) indicates more signal than noise.
If the variance of the signal and noise are known, and the signal and noise are both zero-mean, SNR can be:
\[ \mathrm{SNR} = \frac{\sigma^2_\mathrm{signal}}{\sigma^2_\mathrm{noise}}. \]
| first1 | Input iterator defining the beginning of the first input range. |
| last1 | Input iterator defining the ending of the first input range. |
| first2 | Input iterator defining the beginning of the second input range. |
|
inline |
Computes the standard deviation of the range [first, last)
The standard deviation is defined as the square root of the variance:
\[ \sigma = \sqrt(v) \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |
| constexpr meta::value_type_t<ForwardIt> edsp::statistics::variance | ( | ForwardIt | first, |
| ForwardIt | last | ||
| ) |
Computes the variance of the range [first, last)
The variance is defined as:
\[ v =\sum _{i=1}^{n}p_{i}\cdot (x_{i}-\mu )^{2} \]
| first | Forward iterator defining the begin of the range to examine. |
| last | Forward iterator defining the end of the range to examine. |


Ally McCoist roasts Rangers star Ryan Kent as he leaves Chris Sutton in stitches over dodgy footwear combo
The Ibrox legend was baffled by the winger's socks and flip flops and wasn't shy in pointing it out.
by Liam Bryce, https://www.dailyrecord.co.uk/authors/liam-bryce/Ally McCoist left Chris Sutton in stitches as he roasted Ryan Kent's dodgy socks and flip flops combo.
The Rangers star sat down for a BT Sport interview ahead of scoring a stunner during Sunday's 3-1 win over Hamilton and his choice of footwear left McCoist baffled.
Kent wore white socks over said flip flops and McCoist 's lighthearted quip prompted Celtic legend Sutton to burst out laughing.
"Listen, he's an excellent player, no doubt about it.
"The only mistake he's made so far is those white socks with the flip flops.
"I don't know what was going on there, frankly, to be honest with you.
"He's been Rangers key player, when he plays. I spoke to Gary McAllister about him and he's loving his football.
"He loves the club, the fans and he just feels loved. I think it's evident in his performances.
"On his game, he can twist, turn and create chances - and he can finish.
"We speak about Morelos and clearly he's the key player for Rangers but not for behind him, for me, would be Ryan Kent ."
You can look back over Rangers' clash with Accies at the Fountain of Youth Stadium via our blog below.


Identify session management parameters
- Session can be managed by cookies, hidden form fields, URL parameters
- Create cookies list (Content Discovery -> Search "Set-cookie")
- Page which sets cookie
- cookie name
- cookie directives
- cookie purpose
- Observe which items are passed to browser after authentication
- If not obvious, login as valid user and remove selected parameters one-by-one and check which request returns non-authenticated page
- Inspect if any cookies get modified by any pages. What events modify cookie?
- Which pages needs this cookie to be working properly
Check for HTTP stateless session management
- Check request headers for credentials
- How to identify stateless session management
- Token-like data items issued to the client are fairly long (100 or more bytes)
- The application issues a new token-like item in response to every request
- The data in the item appears to be encrypted (and therefore has no discernible structure) or signed (and therefore has a meaningful structure accompanied by a few bytes of meaningless binary data)
- The application may reject attempts to submit the same item with more than one request


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About
Dr Greenhow is one of the leading physicists and mathematicians. He is an expert in mathematical formulation of fluid dynamics related problems and design of computer aided assessment (CAA), especially wave energy devices and ship slamming. He has supervised many students and most of them have completed their PhD under his guidance and support.
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--- layout: post title: 'Four Strategies for Dealing with Legacy Systems - Strategy 1: Bubble Context (2/5)' date: 2012-03-09 18:26:52.000000000 -07:00 type: post published: true status: publish categories: - Library - Strategic Design tags: [] meta: _edit_last: '3109' custom_permalink: library/evans_2011_2/2 U_S_C_message: '' _dependencies: s:6:"a:0:{}"; _custom_background: a:5:{s:3:"url";s:0:"";s:16:"background-color";s:0:"";s:17:"background-repeat";s:6:"repeat";s:21:"background-attachment";s:6:"scroll";s:19:"background-position";s:8:"left top";} _intro_text: default _intro_custom_banner: a:1:{s:3:"url";s:0:"";} _bitly_trim: http://dddcommunity.org/?p=686 _thumbnail_id: '703' author: login: bjkitchin email<EMAIL_ADDRESS>display_name: bjkitchin first_name: Robert last_name: Kitchin, Jr ---
This is segment 2 of 5 from Eric Evans' presentation on Four strategies for dealing with legacy systems.
(Running Time: 7:23)


TypeScript rules for Bazel
The TypeScript rules integrate the TypeScript compiler with Bazel.
Alternatives
This package provides Bazel wrappers around the TypeScript compiler.
At a high level, there are two alternatives provided: ts_project
and ts_library
.
This section describes the trade-offs between these rules.
ts_project
simply runs tsc --project
, with Bazel knowing which outputs to expect based on the TypeScript compiler options, and with interoperability with other TypeScript rules via a Bazel Provider (DeclarationInfo) that transmits the type information.
It is intended as an easy on-boarding for existing TypeScript code and should be familiar if your background is in frontend ecosystem idioms.
Any behavior of ts_project
should be reproducible outside of Bazel, with a couple of caveats noted in the rule documentation below.
We used to recommend using the
tsc
rule directly from thetypescript
project, likeload("@npm//typescript:index.bzl", "tsc")
Howeverts_project
is strictly better and should be used instead.
ts_library
is an open-sourced version of the rule we use to compile TS code at Google.
It should be familiar if your background is in Bazel idioms.
It is very complex, involving code generation of the tsconfig.json
file, a custom compiler binary, and a lot of extra features.
It is also opinionated, and may not work with existing TypeScript code. For example:
- Your TS code must compile under the
--declaration
flag so that downstream libraries depend only on types, not implementation. This makes Bazel faster by avoiding cascading rebuilds in cases where the types aren’t changed. - We control the output format and module syntax so that downstream rules can rely on them.
On the other hand, ts_library
is also fast and optimized.
We keep a running TypeScript compile running as a daemon, using Bazel workers.
This process avoids re-parse and re-JIT of the >1MB typescript.js
and keeps cached bound ASTs for input files which saves time.
We also produce JS code which can be loaded faster (using named AMD module format) and which can be consumed by the Closure Compiler (via integration with tsickle).
Installation
Add a devDependency on @bazel/typescript
Watch for any peerDependency warnings - we assume you have already installed the typescript
package from npm.
Create a BUILD.bazel
file in your workspace root. If your tsconfig.json
file is in the root, use
otherwise create an alias:
Make sure to remove the --noEmit
compiler option from your tsconfig.json
. This is not compatible with the ts_library
rule.
Self-managed npm dependencies
We recommend you use Bazel managed dependencies but if you would like
Bazel to also install a node_modules
in your workspace you can also
point the node_repositories
repository rule in your WORKSPACE file to
your package.json
.
You can then run yarn
in your workspace with:
To use your workspace node_modules
folder as a dependency in ts_library
and
other rules, add the following to your root BUILD.bazel
file:
See https://github.com/bazelbuild/rules_nodejs#dependencies for more information on managing npm dependencies with Bazel.
Customizing the TypeScript compiler binary
An example use case is needing to increase the NodeJS heap size used for compilations.
Similar to above, you declare your own binary for running tsc_wrapped, e.g.:
then refer to that target in the compiler
attribute of your ts_library
rule.
Note that nodejs_binary
targets generated by npm_install
/yarn_install
can include data dependencies
on packages which aren’t declared as dependencies. For example, if you use [tsickle] to generate Closure Compiler-compatible JS, then it needs to be a data
dependency of tsc_wrapped
so that it can be loaded at runtime.
￼
[tsickle]: https://github.com/angular/tsickle
Usage
Compiling TypeScript: ts_library
The ts_library
rule invokes the TypeScript compiler on one compilation unit,
or “library” (generally one directory of source files).
Create a BUILD
file next to your sources:
If your ts_library target has npm dependencies you can specify these
with fine grained npm dependency targets created by the yarn_install
or
npm_install
rules:
You can also use the @npm//@types
target which will include all
packages in the @types
scope as dependencies.
If you are using self-managed npm dependencies, you can use the
node_modules
attribute in ts_library
and point it to the
//:node_modules
filegroup defined in your root BUILD.bazel
file.
You’ll also need to override the compiler
attribute if you do this
as the Bazel-managed deps and self-managed cannot be used together
in the same rule.
To build a ts_library
target run:
bazel build //path/to/package:target
The resulting .d.ts
file paths will be printed. Additionally, the .js
outputs from TypeScript will be written to disk, next to the .d.ts
files 1.
Note that the tsconfig.json
file used for compilation should be the same one
your editor references, to keep consistent settings for the TypeScript compiler.
By default, ts_library
uses the tsconfig.json
file in the workspace root
directory. See the notes about the tsconfig
attribute in the ts_library API docs.
1 The declarationDir compiler option will be silently overwritten if present.
Accessing JavaScript outputs
The default output of the ts_library
rule is the .d.ts
files.
This is for a couple reasons:
- help ensure that downstream rules which access default outputs will not require a cascading re-build when only the implementation changes but not the types
- make you think about whether you want the devmode (named UMD) or prodmode outputs
You can access the JS output by adding a filegroup
rule after the ts_library
,
for example
Serving TypeScript for development
There are two choices for development mode:
- Use the
ts_devserver
rule to bring up our simple, fast development server. This is intentionally very simple, to help you get started quickly. However, since there are many development servers available, we do not want to mirror their features in yet another server we maintain. - Teach your real frontend server to serve files from Bazel’s output directory.
This is not yet documented. Choose this option if you have an existing server
used in development mode, or if your requirements exceed what the
ts_devserver
supports. Be careful that your development round-trip stays fast (should be under two seconds).
To use ts_devserver
, you simply load
the rule, and call it with deps
that
point to your ts_library
target(s):
The index.html
should be the same one you use for production, and it should
load the JavaScript bundle from the path indicated in serving_path
.
If you don’t have an index.html file, a simple one will be generated by the
ts_devserver
.
See examples/app
in this repository for a working example. To run the
devserver, we recommend you use ibazel:
ibazel
will keep the devserver program running, and provides a LiveReload
server so the browser refreshes the application automatically when each build
finishes.
Writing TypeScript code for Bazel
Bazel’s TypeScript compiler has your workspace path mapped, so you can import from an absolute path starting from your workspace.
/WORKSPACE
:
/some/long/path/to/deeply/nested/subdirectory.ts
:
will import from /place.ts
.
Since this is an extension to the vanilla TypeScript compiler, editors which use the TypeScript language services to provide code completion and inline type checking will not be able to resolve the modules. In the above example, adding
to tsconfig.json
will fix the imports for the common case of using absolute paths.
See path mapping for more details on the paths syntax.
Similarly, you can use path mapping to teach the editor how to resolve imports
from ts_library
rules which set the module_name
attribute.
Notes
If you’d like a “watch mode”, try ibazel.
At some point, we plan to release a tool similar to gazelle to generate the BUILD files from your source code.
ts_config
Allows a tsconfig.json file to extend another file.
 However, if your tsconfig.json
uses the extends
feature from TypeScript, then the Bazel implementation needs to know about that
extended configuration file as well, to pass them both to the TypeScript compiler.
ts_config(name, deps, src)
name
(Name, mandatory): A unique name for this target.
deps
(List of labels): Additional tsconfig.json files referenced via extends
Defaults to []
src
(Label, mandatory): The tsconfig.json file passed to the TypeScript compiler
ts_devserver
ts_devserver is a simple development server intended for a quick “getting started” experience.
Additional documentation at https://github.com/alexeagle/angular-bazel-example/wiki/Running-a-devserver-under-Bazel
ts_devserver(name, additional_root_paths, bootstrap, deps, devserver, devserver_host, entry_module, port, scripts, serving_path, static_files)
name
(Name, mandatory): A unique name for this target.
additional_root_paths
(List of strings): Additional root paths to serve static_files
from.
Paths should include the workspace name such as ["__main__/resources"]
Defaults to []
bootstrap
(List of labels): Scripts to include in the JS bundle before the module loader (require.js)
Defaults to []
deps
(List of labels): Targets that produce JavaScript, such as ts_library
Defaults to []
devserver
(Label): Go based devserver executable.
With cross-platform RBE for OSX & Windows ctx.executable.devserver will be linux as --cpu and
--host_cpu must be overridden to k8. However, we still want to be able to run the devserver on the host
machine so we need to include the host devserver binary, which is ctx.executable.devserver_host, in the
runfiles. For non-RBE and for RBE with a linux host, ctx.executable.devserver & ctx.executable.devserver_host
will be the same binary.
Defaults to precompiled go binary setup by @bazel/typescript npm package Defaults to <code>@npm//@bazel/devserver:devserver</code>
devserver_host
(Label): Go based devserver executable for the host platform.
Defaults to precompiled go binary setup by @bazel/typescript npm package
Defaults to @npm//@bazel/devserver:devserver_darwin_amd64
entry_module
(String): The entry_module
should be the AMD module name of the entry module such as "__main__/src/index".
ts_devserver
concats the following snippet after the bundle to load the application:
require(["entry_module"]);
Defaults to ""
port
(Integer): The port that the devserver will listen on.
Defaults to 5432
scripts
(List of labels): User scripts to include in the JS bundle before the application sources
Defaults to []
serving_path
(String): The path you can request from the client HTML which serves the JavaScript bundle.
If you don’t specify one, the JavaScript can be loaded at /_/ts_scripts.js
Defaults to "/_/ts_scripts.js"
static_files
(List of labels): Arbitrary files which to be served, such as index.html.
They are served relative to the package where this rule is declared.
Defaults to []
ts_library
ts_library
type-checks and compiles a set of TypeScript sources to JavaScript.
It produces declarations files (.d.ts
) which are used for compiling downstream
TypeScript targets and JavaScript for the browser and Closure compiler.
ts_library(name, angular_assets, compiler, data, deps, devmode_module, devmode_target, expected_diagnostics, generate_externs, internal_testing_type_check_dependencies, link_workspace_root, module_name, module_root, node_modules, prodmode_module, prodmode_target, runtime, runtime_deps, srcs, supports_workers, tsconfig, tsickle_typed, use_angular_plugin)
name
(Name, mandatory): A unique name for this target.
angular_assets
(List of labels): Additional files the Angular compiler will need to read as inputs.
Includes .css and .html files
Defaults to []
compiler
(Label): Sets a different TypeScript compiler binary to use for this library.
For example, we use the vanilla TypeScript tsc.js for bootstrapping,
and Angular compilations can replace this with ngc
.
The default ts_library compiler depends on the //@bazel/typescript
target which is setup for projects that use bazel managed npm deps and
install the @bazel/typescript npm package.
Defaults to @build_bazel_rules_typescript//internal:tsc_wrapped_bin
data
(List of labels)
Defaults to []
deps
(List of labels): Compile-time dependencies, typically other ts_library targets
Defaults to []
devmode_module
(String): Set the typescript module
compiler option for devmode output.
This value will override the module
option in the user supplied tsconfig.
Defaults to "umd"
devmode_target
(String): Set the typescript target
compiler option for devmode output.
This value will override the target
option in the user supplied tsconfig.
Defaults to "es2015"
expected_diagnostics
(List of strings)
Defaults to []
generate_externs
(Boolean)
Defaults to True
internal_testing_type_check_dependencies
(Boolean): Testing only, whether to type check inputs that aren’t srcs.
Defaults to False
link_workspace_root
(Boolean): Link the workspace root to the bin_dir to support absolute requires like ‘my_wksp/path/to/file’.
If source files need to be required then they can be copied to the bin_dir with copy_to_bin.
Defaults to False
module_name
(String)
Defaults to ""
module_root
(String)
Defaults to ""
node_modules
(Label): The npm packages which should be available during the compile.
The default value of //typescript:typescript__typings
is setup
for projects that use bazel managed npm deps. This default is in place
since ts_library will always depend on at least the typescript
default libs which are provided by //typescript:typescript__typings
.
This attribute is DEPRECATED. As of version 0.18.0 the recommended
approach to npm dependencies is to use fine grained npm dependencies
which are setup with the yarn_install
or npm_install
rules.
For example, in targets that used a //:node_modules
filegroup,
which specifies all files within the //:node_modules
filegroup
to be inputs to the my_lib
. Using fine grained npm dependencies,
my_lib
is defined with only the npm dependencies that are
needed:
In this case, only the listed npm packages and their
transitive deps are includes as inputs to the my_lib
target
which reduces the time required to setup the runfiles for this
target (see https://github.com/bazelbuild/bazel/issues/5153).
The default typescript libs are also available via the node_modules
default in this case.
The @npm external repository and the fine grained npm package
targets are setup using the yarn_install
or npm_install
rule
in your WORKSPACE file:
Defaults to @npm//typescript:typescript__typings
prodmode_module
(String): Set the typescript module
compiler option for prodmode output.
This value will override the module
option in the user supplied tsconfig.
Defaults to "esnext"
prodmode_target
(String): Set the typescript target
compiler option for prodmode output.
This value will override the target
option in the user supplied tsconfig.
Defaults to "es2015"
runtime
(String)
Defaults to "browser"
runtime_deps
(List of labels) The dependencies of this attribute must provide: JsInfo
Defaults to []
srcs
(List of labels, mandatory): The TypeScript source files to compile.
supports_workers
(Boolean): Intended for internal use only.
Allows you to disable the Bazel Worker strategy for this library.
Typically used together with the “compiler” setting when using a
non-worker aware compiler binary.
Defaults to True
tsconfig
(Label): A tsconfig.json file containing settings for TypeScript compilation.
Note that some properties in the tsconfig are governed by Bazel and will be
overridden, such as target
and module
.
The default value is set to //:tsconfig.json
by a macro. This means you must
either:
- Have your
tsconfig.json
file in the workspace root directory - Use an alias in the root BUILD.bazel file to point to the location of tsconfig:
alias(name="tsconfig.json", actual="//path/to:tsconfig-something.json")
- Give an explicit
tsconfig
attribute to allts_library
targets Defaults toNone
tsickle_typed
(Boolean): If using tsickle, instruct it to translate types to ClosureJS format
Defaults to True
use_angular_plugin
(Boolean): Run the Angular ngtsc compiler under ts_library
Defaults to False
ts_project
Compiles one TypeScript project using tsc --project
This is a drop-in replacement for the tsc
rule automatically generated for the “typescript”
package, typically loaded from @npm//typescript:index.bzl
. Unlike bare tsc
, this rule understands
the Bazel interop mechanism (Providers) so that this rule works with others that produce or consume
TypeScript typings (.d.ts
files).
Unlike ts_library
, this rule is the thinnest possible layer of Bazel interoperability on top
of the TypeScript compiler. It shifts the burden of configuring TypeScript into the tsconfig.json file.
See https://github.com/bazelbuild/rules_nodejs/blob/master/docs/TypeScript.md#alternatives
for more details about the trade-offs between the two rules.
Some TypeScript options affect which files are emitted, and Bazel wants to know these ahead-of-time. So several options from the tsconfig file must be mirrored as attributes to ts_project. See https://www.typescriptlang.org/v2/en/tsconfig for a listing of the TypeScript options.
Any code that works with tsc
should work with ts_project
with a few caveats:
- Bazel requires that the
outDir
(anddeclarationDir
) be set tobazel-out/[target architecture]/bin/path/to/package
so we override whatever settings appear in your tsconfig. - Bazel expects that each output is produced by a single rule.
Thus if you have two
ts_project
rules with overlapping sources (the same.ts
file appears in more than one) then you get an error about conflicting.js
output files if you try to build both together. Worse, if you build them separately then the output directory will contain whichever one you happened to build most recently. This is highly discouraged.
Note: in order for TypeScript to resolve relative references to the bazel-out folder, we recommend that the base tsconfig contain a rootDirs section that includes all possible locations they may appear.
We hope this will not be needed in some future release of TypeScript. Follow https://github.com/microsoft/TypeScript/issues/37257 for more info.
For example, if the base tsconfig file relative to the workspace root is
path/to/tsconfig.json
then you should configure like:
Issues when running non-sandboxed
When using a non-sandboxed spawn strategy (which is the default on Windows), you may observe these problems which require workarounds:
1) Bazel deletes outputs from the previous execution before running tsc
.
This causes a problem with TypeScript’s incremental mode: if the .tsbuildinfo
file
is not known to be an output of the rule, then Bazel will leave it in the output
directory, and when tsc
runs, it may see that the outputs written by the prior
invocation are up-to-date and skip the emit of these files. This will cause Bazel
to intermittently fail with an error that some outputs were not written.
This is why we depend on composite
and/or incremental
attributes to be provided,
so we can tell Bazel to expect a .tsbuildinfo
output to ensure it is deleted before a
subsequent compilation.
At present, we don’t do anything useful with the .tsbuildinfo
output, and this rule
does not actually have incremental behavior. Deleting the file is actually
counter-productive in terms of TypeScript compile performance.
Follow https://github.com/bazelbuild/rules_nodejs/issues/1726
2) When using Project References, TypeScript will expect to verify that the outputs of referenced
projects are up-to-date with respect to their inputs.
(This is true even without using the --build
option).
When using a non-sandboxed spawn strategy, tsc
can read the sources from other ts_project
rules in your project, and will expect that the tsconfig.json
file for those references will
indicate where the outputs were written. However the outDir
is determined by this Bazel rule so
it cannot be known from reading the tsconfig.json
file.
This problem is manifested as a TypeScript diagnostic like
error TS6305: Output file '/path/to/execroot/a.d.ts' has not been built from source file '/path/to/execroot/a.ts'.
As a workaround, you can give the Windows “fastbuild” output directory as the outDir
in your tsconfig file.
On other platforms, the value isn’t read so it does no harm.
See https://github.com/bazelbuild/rules_nodejs/tree/stable/packages/typescript/test/ts_project as an example.
We hope this will be fixed in a future release of TypeScript;
follow https://github.com/microsoft/TypeScript/issues/37378
3) When TypeScript encounters an import statement, it adds the source file resolved by that reference to the program. However you may have included that source file in a different project, so this causes the problem mentioned above where a source file is in multiple programs. (Note, if you use Project References this is not the case, TS will know the referenced file is part of the other program.) This will result in duplicate emit for the same file, which produces an error since the files written to the output tree are read-only. Workarounds include using using Project References, or simply grouping the whole compilation into one program (if this doesn’t exceed your time budget).
ts_project(name, tsconfig, srcs, args, deps, extends, declaration, source_map, declaration_map, composite, incremental, emit_declaration_only, ts_build_info_file, tsc, validate, declaration_dir, out_dir, root_dir, link_workspace_root, kwargs)
PARAMETERS
name
A name for the target.
We recommend you use the basename (no .json
extension) of the tsconfig file that should be compiled.
Defaults to "tsconfig"
tsconfig
Label of the tsconfig.json file to use for the compilation
To support “chaining” of more than one extended config, this label could be a target that
provdes TsConfigInfo
such as ts_config
.
By default, we assume the tsconfig file is named by adding .json
to the name
attribute.
EXPERIMENTAL: generated tsconfig
Instead of a label, you can pass a dictionary of tsconfig keys.
In this case, a tsconfig.json file will be generated for this compilation, in the following way:
- all top-level keys will be copied by converting the dict to json.
So
tsconfig = {"compilerOptions": {"declaration": True}}
will result in a generatedtsconfig.json
with{"compilerOptions": {"declaration": true}}
- each file in srcs will be converted to a relative path in the
files
section. - the
extends
attribute will be converted to a relative path
Note that you can mix and match attributes and compilerOptions properties, so these are equivalent:
and
Defaults to None
srcs
List of labels of TypeScript source files to be provided to the compiler.
If absent, defaults to **/*.ts[x]
(all TypeScript files in the package).
Defaults to None
args
List of strings of additional command-line arguments to pass to tsc.
Defaults to []
deps
List of labels of other rules that produce TypeScript typings (.d.ts files)
Defaults to []
extends
Label of the tsconfig file referenced in the extends
section of tsconfig
To support “chaining” of more than one extended config, this label could be a target that
provdes TsConfigInfo
such as ts_config
.
DEPRECATED, to be removed in 3.0:
For backwards compatibility, this accepts a list of Labels of the “chained”
tsconfig files. You should instead use a single Label of a ts_config
target.
Follow this deprecation: https://github.com/bazelbuild/rules_nodejs/issues/2140
Defaults to None
declaration
if the declaration
bit is set in the tsconfig.
Instructs Bazel to expect a .d.ts
output for each .ts
source.
Defaults to False
source_map
if the sourceMap
bit is set in the tsconfig.
Instructs Bazel to expect a .js.map
output for each .ts
source.
Defaults to False
declaration_map
if the declarationMap
bit is set in the tsconfig.
Instructs Bazel to expect a .d.ts.map
output for each .ts
source.
Defaults to False
composite
if the composite
bit is set in the tsconfig.
Instructs Bazel to expect a .tsbuildinfo
output and a .d.ts
output for each .ts
source.
Defaults to False
incremental
if the incremental
bit is set in the tsconfig.
Instructs Bazel to expect a .tsbuildinfo
output.
Defaults to False
emit_declaration_only
if the emitDeclarationOnly
bit is set in the tsconfig.
Instructs Bazel not to expect .js
or .js.map
outputs for .ts
sources.
Defaults to False
ts_build_info_file
the user-specified value of tsBuildInfoFile
from the tsconfig.
Helps Bazel to predict the path where the .tsbuildinfo output is written.
Defaults to None
tsc
Label of the TypeScript compiler binary to run.
For example, tsc = "@my_deps//typescript/bin:tsc"
Or you can pass a custom compiler binary instead.
Defaults to None
validate
boolean; whether to check that the tsconfig settings match the attributes.
Defaults to True
declaration_dir
a string specifying a subdirectory under the bazel-out folder where generated declaration outputs are written. Equivalent to the TypeScript –declarationDir option. By default declarations are written to the out_dir.
Defaults to None
out_dir
a string specifying a subdirectory under the bazel-out folder where outputs are written. Equivalent to the TypeScript –outDir option. Note that Bazel always requires outputs be written under a subdirectory matching the input package, so if your rule appears in path/to/my/package/BUILD.bazel and out_dir = “foo” then the .js files will appear in bazel-out/[arch]/bin/path/to/my/package/foo/*.js. By default the out_dir is ‘.’, meaning the packages folder in bazel-out.
Defaults to None
root_dir
a string specifying a subdirectory under the input package which should be consider the root directory of all the input files. Equivalent to the TypeScript –rootDir option. By default it is ‘.’, meaning the source directory where the BUILD file lives.
Defaults to None
link_workspace_root
Link the workspace root to the bin_dir to support absolute requires like ‘my_wksp/path/to/file’. If source files need to be required then they can be copied to the bin_dir with copy_to_bin.
Defaults to False
kwargs
passed through to underlying rule, allows eg. visibility, tags


Python is a programming language with a friendly, English-language syntax. It's easy to learn and quick to be productive with.
This tutorial will teach you to program Python, from scratch, right here in your browser. It's free and open-source.
Python is a programming language with a friendly, English-language syntax. It's easy to learn and quick to be productive with.
This tutorial will teach you to program Python, from scratch, right here in your browser. It's free and open-source.


--- layout: post title: "morning lyrics" comments: true ---
She packed my bags Last night Pre-flight Zero hour... nine a.m. And I'm gonna be... higggggghhhhh... as a kite by then...


Inverted Index
Enter Query(term+opr+term+opr+term...)
Following operator works:
and / &
or / ||
use (~term) for NOT
Display Inverted Index


Creates a background service in JavaScript that executes background jobs on the provided interval with second-granularity


--- layout: post title: 'Volleyball: SITN (1) vs. Spank The Monkey (2)' categories: [] tags: [] status: publish type: post published: true meta: _original_post_id: '' _original_import_author: John Duprey author: ---
jduprey
pleased


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Everything amazing in the world begins with a story of what might be. Tell us the story of what you want to create, and how it could become real.
It doesn't have to be perfect; you can always edit it later.
In the next steps, you'll be able to make requests and invite people to contribute.
A picture is worth a thousand words, and a video can help you communicate the impact of your project even more effectively.
or Add a photo Please wait...Which of your communities will support this project the most?
Control who can see and contribute to this project.
Only the community: only community members or people you invite may see and comment on it, once it is published. Anyone: the project will be visible to anyone who has the link, once published, and anyone will be able to join the project after signing up for Hylo.


When you order at our restaurant expect to be served the best.
Our recipes have been tested and proved to be one of the best in the country. Our ingredients are imported fresh from abroad so you can expect the best.
Our restaurant has best ranked best restaurant in Nairobi area in 2020 and 2019 and has recieved various awards for cleanest and best customer care in the region.
The small size pizza is 10 inches in diameter. Each costs 500Ksh.
The medium size pizza is 12 inches in diameter. Each costs 800Ksh.
The large size pizza is 14 inches in diameter. Each costs 1000Ksh.
Click here for delivery option.


A scenario demonstrating the following Broken Constraints attributes:
- The green scroll view has missing scrollable content width.
- The blue scroll view has missing scrollable content height.
- The orange view bar has missing constraints for horizontal position.
- The green view bar has missing constraints for height and vertical position.
- The purple view bar has missing constraints for vertical position.
- The yellow view bar has missing constraints for width and horizontal position.
- The blue view in the center does not have any constraint issues until a user clicks on the buttton below to break its constraint. Clicking on the button will change the value of the blue view's width to zero.
- A layout guide is added programmatically which has missing constraints for height and vertical position.
This view includes missing constraints for width, height, horizontal position, vertical position, scrollable content width, scrollable content height and a layout guide with missing constraints. Inspect the issues in Reveal and on your device or simulator.


Have you heard about the protest that happened yesterday?
09:03:02 AM
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09:04:23 AM
This is the encrypted chat! All of our messages are secure!
Don't worry!
09:04:59 AM
Right, I forgot sorry.
09:05:47 AM
Apparently the human rights lawyer, Cheng Nan-jung,
was arrested, no one has heard from him since...
09:06:20 AM


47 You can use this block as input to many other blocks: Snap ! does not have a “Make a list” button like the one in Scratch. If you want a global “named list,” make a global variable and use the set block to put a list into the variable. B. Lists of Lists Lists can be inserted as elements in larger lists. We can easily create ad hoc structures as needed: Notice that this list is presented in a different format from the “She Loves You” list above. A two-dimensional list is called a table and is by default shown in table view. We’ll have more to say about this later. We can also build any classic computer science data structure out of lists of lists, by deﬁning constructors (blocks to make an instance of the structure), selectors (blocks to pull out a piece of the structure), and mutators (blocks to change the contents of the structure) as needed. Here we create binary trees with selectors that check for input of the correct data type; only one selector is shown but the ones for left and right children are analogous.


This analysis is a placeholder with a sample set. If you want to contribute new analyses for the site, contact Disaster Area on Discord.
Level: 50
- Blizzard
- Clamp
- Hyper Beam
- Explosion
This analysis is a placeholder with a sample set. If you want to contribute new analyses for the site, contact Disaster Area on Discord.
Surf, BubbleBeam, Double-Edge. Double-Edge is especially notable in Poke Cup.
This analysis is a placeholder with a sample set. If you want to contribute new analyses for the site, contact Disaster Area on Discord.
Author: zalarye
Quality Checked by: Plague von Karma
HTML by: Plague von Karma
Publish Date: 13th November 2020


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"Did I forget a semi-colon?" -- Every programmmer once something goes wrong with their code.
My name is Sahara (like the desert) Fathelbab. I recently graduated in May 2018 with my Bachelors of Science in Computer Science. I am passionate about web design & development and UX/UI Design as well as ensuring that an end product provides seamless navigability for the end user. I enjoy observing situations and brainstorming ways to find an adequate solution to the issues at hand through my coding and UX/UI Design capabilities. When I’m not drowning in coding and UX/UI Design projects, you can find me creating YouTube videos , blogging all things coding , with my sister Sarah Fathelbab , as well as blogging all things lifestyle, and running to get to my goal of a mile in 5 minutes.


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Testability Report
(Generated on: Oct 3, 2013 10:16:35 AM)
[
Project
]
Package:
com.google.test.metric
Metric:
Value:
Chart:
Package cost:
87
[?]
Class count:
3
Excellent:
1 [0%]
Good:
1 [0%]
Needs work:
1 [0%]
Class:
Cost:
a.b.E
130
a.b.D
80
a.b.C
30
Report Generated with:
Testability Explorer


backTREK
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--- title: 1.8.1 layout: post published: true ---
We've just pusblish a 1.8.1 version to fix some incompatiblities of aether connectors with windows and to workaround no sha-1 file on remote repository.
Some minor naming bug are also fixed in this version


Contents:
Defined in File allocator.h
Gap
Public Functions
data
size
operator<
operator==
adjacent
combine
rest
Friends
operator+
operator<<


I understand remote work
I've been working remotely on a full time basis since 2014. Here's what I've learnt during this time.
- I always try to communicate asynchronously. Whilst it's important to interrupt someone in an emergency, this is a rare event, and can be destructive to a developer's focus.
- I take time to create thoughtful messages that do not criticise or antagonise. I try to avoid the use of emotive words and phrases such as you or can't you just.
- I appreciate that whilst I can often work anywhere or any time, it's important to be available during 'office hours' should somebody need to contact me.
- I've created a home office where I can separate work from life. It is a quiet space where I can fully concentrate on so-called 'deep' work.
- I switch off at the end of the day. I have learned that the best work cannot be carried out when stressed and overworked.


New User
*Your password must be at least eight characters long, contain at least one uppercase letter, one lowercase letter, one number, and one special character.


Tasks and Publishers¶
Task Blocks are the action elements of CruiseControl.Net. They're the elements that do things, like executing a program, running tests, or send email results.
Task blocks must appear in the prebuild section, the tasks section or the publishers section. The tasks section is always run before the publishers section, regardless of the order in which they appear. However, within each of these sections, the tasks are run in the order they appear.
The prebuild section is intended for tasks which need to be run before the build starts, including the sourcecontrol operation.
The tasks section is intended for build tasks, such as a [NAnt Task] or [MsBuild Task]. If any of these build tasks fail, no further tasks in this section will be executed. Instead, CruiseControl.Net will skip to the publishers section. Thus the task that publish the results of the build should usually be placed in the publishers section.
The publishers section is run after the build completes (whether it passes or fails). This is where you aggregate and publish the build results. The publishers section typically starts with a merge task to collect any output from other tools, so that the results can be shown on the dashboard. Next, the [Xml Log Publisher] task is required to include the CruiseControl.Net XML output. Finally you might have one or more [Email Publisher] tasks. Note that you can still use any of the other tasks here. For example, you might run a [NAnt Task] that preprocesses the output files before merging them into CruiseControl's output stream.
Starting with CruiseControl.NET 1.5.0, it is possible to define dynamic parameters for most tasks. The full details on how to do this is available in [Dynamic Parameters].
Note: Not all tasks allow dynamic parameters. A task that can use dynamic parameters will have a dynamicValues element in the task.
Historical Note¶
Publishers and Tasks were different objects in earlier version of ccnet. Now they are interchangeable, and can appear either in the prebuild section, the tasks section, or the publishers section of the ccnet.config file depending on whether they should be run before, during or after the build.
The task blocks :
- ANTS Performance Profiler Task
- Artifact Cleanup Publisher
- Build Publisher
- CodeItRight Analysis Task
- Comment Task
- Conditional Publisher
- Conditional Task
- CruiseServer Control Task
- DumpValue
- Duplicate Finder Task
- Email Publisher
- Executable Task
- FAKE Task
- File Merge Task
- FinalBuilder Task
- ForceBuildPublisher
- Ftp task - Publisher
- Gendarme Task
- HTTP Status Task
- ModificationHistory Publisher
- Modification Reader Task
- Modification Writer Task
- MsBuild Task
- NAnt Task
- NCover Profiler Task
- NCover Reporting Task
- NDepend Task
- Null Task
- NUnit Task
- Package Publisher
- Parallel Task
- PowerShell Task
- Rake Task
- RSS Publisher
- Sequential Task
- Statistics Publisher
- Synchronisation Context Task
- Update Configuration Task
- Visual Studio Task
- Xml Log Publisher
- XsltTask


Hello, I'm Jaime Lovera
This website serves as my personal portfolio, but more importantly it serves as my platform to learn HTML, CSS, javascript, and anything that sparks my interest.
Email<EMAIL_ADDRESS>Download ResumeThis website serves as my personal portfolio, but more importantly it serves as my platform to learn HTML, CSS, javascript, and anything that sparks my interest.
Email<EMAIL_ADDRESS>Download Resume


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Envato Headquarters
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PO Box 16122 Collins Street West
Victoria 3000 Australia


You should see 6 fruits with pictures, names, stars, and prices.
{{name}}
{{{stars}}}
{{price}}
You should now only see 2 fruits with pictures, names, stars, and prices because I specify "max-items" = 2.
{{name}}
{{{stars}}}
{{price}}
You should now only see pear and banana with pictures, names, stars, and prices because I specify a different path by setting "items".
{{name}}
{{{stars}}}
{{price}}


Monitoring
This text gets removed
Control
Actions:
from slot
to drive
to slot
from drive
from slot
to slot
slot
Swagger API doc


Naming convention is similar to bootstrap 3 but with a 'f-' prefix.
Just like bootstrap the CSS priority is "mobile first". i.e. if you apply f-col-xs-12, on an element, then it applies to all device
widths unless another higher-width CSS is applied (like f-col-md-*).
12 column width on mobile and 6 column width on desktop
Adding vertical align to previous example
Just add 'cross-center' to parent div.
This feature is not from flex-grid but rather from
flex-helper.
Read more on other helper classes at that project.
Reordering in mobile
Use order-[device]-[number] classes.
RTL support
Use HTML element attribute dir="rtl" or CSS direction: rtl.


fun splitCommand(command: String): Pair<String, String>
Splits the command in two parts, where the first is just the command name and the second are the arguments.


To install py2app using easy_install you must make sure you have a recent version of setuptools installed (as of this writing, 0.6b4 or later):
$ curl -O http://peak.telecommunity.com/dist/ez_setup.py
$ sudo python ez_setup.py -U setuptools
To install or upgrade to the latest released version of py2app:
$ sudo easy_install -U py2app
To install py2app from source, simply use the normal procedure for installing any Python package. Since py2app uses setuptools, all dependencies (including setuptools itself) will be automatically acquired and installed for you as appropriate:
$ python setup.py install
If you’re using a svn checkout, it’s recommended to use the setuptools develop command, which will simply activate py2app directly from your source directory. This way you can do a svn up or make changes to the source code without re-installing every time:
$ python setup.py develop
The setup.py template has changed slightly in py2app 0.3 in order to accommodate the enhancements brought on by setuptools. Old setup.py scripts look like this:
from distutils.core import setup
import py2app
setup(
app=["myscript.py"],
)
New py2app scripts should look like this:
from setuptools import setup
setup(
app=["myscript.py"],
setup_requires=["py2app"],
)


Before Change
self._name = light.name
self._rgb_color = None
self._features = ALLOWED_FEATURES.get(
slugify(self._light.device_info.manufacturer), SUPPORTED_FEATURES)
self._ok_temps = ALLOWED_TEMPERATURES.get(
slugify(self._light.device_info.manufacturer))
After Change
self._rgb_color = None
self._features = SUPPORT_BRIGHTNESS
if self._light_data.hex_color is not None:
if self._light.device_info.manufacturer == IKEA:
self._features &= SUPPORT_COLOR_TEMP
else:
self._features &= SUPPORT_RGB_COLOR
self._ok_temps = ALLOWED_TEMPERATURES.get(
slugify(self._light.device_info.manufacturer))
@property


I'll Be Home For Christmas * * 1/2 (out of * * * * )
Directed by Arlene Sanford. Cast: Jonathan Taylor Thomas, Jessica Biel, Adam Lavorgna, Gary Cole, Eve Gordon, Andrew Lauer, Lauren Maltby, Sean O'Bryan, Lesley Boone. 1998 - 85 minutes. Rated PG (for mild profanity). Reviewed November 14, 1998.
By Dustin Putman < Dustin Putman's Film Reviews >
"I'll Be Home for Christmas" surprised me. Granted, I wasn't expecting very much, especially when most live-action Disney films are admittedly terrible, but this film was actually quite enjoyable, thanks to mostly likable characters and a worthwhile, if not all that original, story.
Jake (Jonathan Taylor Thomas), an 18-year-old student at Palisades College in Southern California, has a sweet, understanding girlfriend, Allie (Jessica Biel), but is the type of person who mostly just thinks about himself. He is very apprehensive about going home to his family in New York for Christmas, especially after his father (Gary Cole) married another woman (Eve Gordon) only ten months after Jake's mother's death. Things turn around for him when his father makes him a proposition he can't refuse: be home by 6 p.m. on Christmas Eve and get the family's vintage porsche.  Meanwhile, as Jake desperately tries to get home by any means possible, he has several run-ins with different people on the road, and through it all, he begins to understand what's really important in his life.
This sort of story and moral has been done in many other films, and is very closely related to the wonderful 1987 comedy, "Trains, Planes, and Automobiles," but what I liked about," I'll Be Home for Christmas," was the treatment that it was given. It was a delight to meet the different supporting characters, and a few of them were especially memorable and brightly written, particularly a policeman (Sean O'Bryan) whom Jake meets along the way that is trying to get his own girlfriend (Lesley Boone), a bubbly waitress working at a restaurant, back.
Jonathan Taylor Thomas has yet to make a great feature film, but it is obvious he is talented, and could be amazing in a more challenging role. And Jessica Biel, who starred in last year's "Ulee's Gold," is perfect as his girfriend, and perhaps the standout in the cast.
There are elements that don't work in the film, however, starting with the character of Eddie, who was very annoying and basically a one-dimensional creep. The overall plotting was also highly predictable, and it was obvious from the beginning how everything will turn out in the end.
No one, I doubt, will be expecting a cinematic masterpiece when they see, "I'll Be Home for Christmas," though, and sometimes it is fine just to sit back and watch an entertaining, harmless family film for a 90-minute duration. Nothing that occurred in it was earthshaking or shocking or particularly inventive, but it was well-done, all the same, and I really did like it.
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


Comparison and Logical operators are used to test for true or false.
Comparison operators are used in logical statements to determine equality or difference between variables or values.
Given that x = 5, the table below explains the comparison operators:
| Operator | Description | Comparing | Returns |
|---|---|---|---|
| == | equal to | x == 8 | false |
| x == 5 | true | ||
| === | equal value and equal type | x === "5" | false |
| x === 5 | true | ||
| != | not equal | x != 8 | true |
| !== | not equal value or not equal type | x !== "5" | true |
| x !== 5 | false | ||
| > | greater than | x > 8 | false |
| < | less than | x < 8 | true |
| >= | greater than or equal to | x >= 8 | false |
| <= | less than or equal to | x <= 8 | true |
Comparison operators can be used in conditional statements to compare values and take action depending on the result:
You will learn more about the use of conditional statements in the next chapter of this tutorial.
Logical operators are used to determine the logic between variables or values.
Given that x = 6 and y = 3, the table below explains the logical operators:
| Operator | Description | Example |
|---|---|---|
| && | and | (x < 10 && y > 1) is true |
| || | or | (x == 5 || y == 5) is false |
| ! | not | !(x == y) is true |
JavaScript also contains a conditional operator that assigns a value to a variable based on some condition.
If the variable age is a value below 18, the value of the variable voteable will be "Too young", otherwise the value of voteable will be "Old enough".
Comparing data of different types may give unexpected results.
When comparing a string with a numeric constant, JavaScript will treat the number as a string when doing the comparison. The result of this is commonly not the same as a numeric comparison.
When comparing two strings, "2" will be greater than "12", because (alphabetically) 1 is less than 2.
To secure a proper result, variables should be converted to the proper type before comparison:
| The Number() function converts an empty string to 0, and a non numeric string to NaN. |
Bit operators work on 32-bit numbers.
Any numeric operand in the operation is converted into a 32-bit number.
The result is converted back to a JavaScript number.
The result in x:
| Operator | Description | Example | Same as | Result | Decimal |
|---|---|---|---|---|---|
| & | AND | x = 5 & 1 | 0101 & 0001 | 0001 | 1 |
| | | OR | x = 5 | 1 | 0101 | 0001 | 0101 | 5 |
| ~ | NOT | x = ~ 5 | ~0101 | 1010 | 10 |
| ^ | XOR | x = 5 ^ 1 | 0101 ^ 0001 | 0100 | 4 |
| << | Left shift | x = 5 << 1 | 0101 << 1 | 1010 | 10 |
| >> | Right shift | x = 5 >> 1 | 0101 >> 1 | 0010 | 2 |
|
The examples above uses 4 bits unsigned examples. But JavaScript uses 32-bit signed numbers. Because of this, in JavaScript, ~ 5 will not return 10. It will return -6. ~00000000000000000000000000000101 will return<PHONE_NUMBER>1111111111111111111010 |


Hotel Booking
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Work travel ?
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Rooms:
Adults:
Children:
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₹100 crore for infrastructure dev of Utkal University: Odisha CM
The chief minister called upon the students to contribute for the growth of Odisha and be a part of this.
by PTIOdisha Chief Minister Naveen Patnaik on Saturday announced ₹100 crore assistance for the infrastructure development of Utkal University here.
The CM announced this after inaugurating the five-day platinum celebration of Odisha’s premier varsity here.
Naveen Patnaik said improving the quality of education at all levels of the education system is a top priority of his government.
He said: “The state government has sanctioned ₹100 crore to Utkal University for opening six centres of excellence.”
The chief minister called upon the students to contribute for the growth of Odisha and be a part of this “unprecedented development process”.
While paying his tributes to great sons of Odisha, the chief minister recalled the contribution of Maharaja Krushna Chandra Gajapati, Pandit Nilakantha Das and Pandit Godabaris Mishra among others who visualised the capitalisation of the states intellectual resources through this university.
“Teachers and students are the principal players in an institution like this. Teaching, learning is an ongoing and evolving process. Management, infrastructure, learning resources and even curriculum are facilitating factors. The outcome of this entire exercise is quality human resource,” he said.
The chief minister also inaugurated the Central Instrumentation Centre and Digital Library Building of the university. He also laid the foundation stone for the boundary wall project.


- RateIndexFromCcyAndCouponFreq(String, int) - Static method in class org.drip.analytics.support.AnalyticsHelper
-
Calculates the rate index from currency and coupon frequency
- RatesAnalyticsAPI - Class in org.drip.service.sample
-
Demo of the Rates Analytics API Sample
- RatesAnalyticsAPI() - Constructor for class org.drip.service.sample.RatesAnalyticsAPI
-
- RatesComponent - Class in org.drip.product.definition
-
Base abstract class that extends CalibratableComponent on top of which all rates components are
implemented.
- RatesComponent() - Constructor for class org.drip.product.definition.RatesComponent
-
- RatesCurveAPISample() - Static method in class org.drip.service.sample.RatesLiveAndEODAPI
-
Sample API demonstrating the creation/usage of rates curve
USE WITH CARE: This sample ignores errors and does not handle exceptions.
- RatesCurveScenarioContainer - Class in org.drip.param.market
-
This class serves as the place holder for the different IR scenario curves.
- RatesCurveScenarioContainer(RatesCurveScenarioGenerator) - Constructor for class org.drip.param.market.RatesCurveScenarioContainer
-
Constructs an IRCurveScenarioContainer instance from the corresponding IRCurveScenarioGenerator
- RatesCurveScenarioGenerator - Class in org.drip.analytics.calibration
-
This calls contains the interest rate calibration instruments to be used with the component calibrator to
produce scenario interest rate curves.
- RatesCurveScenarioGenerator(String, String, CalibratableComponent[]) - Constructor for class org.drip.analytics.calibration.RatesCurveScenarioGenerator
-
Constructs a CreditCurveScenarioGenerator instance from the calibratable instrument array
- RatesLiveAndEODAPI - Class in org.drip.service.sample
-
Sample API class demo'ing the usage of the Rates Live and EOD functions
- RatesLiveAndEODAPI() - Constructor for class org.drip.service.sample.RatesLiveAndEODAPI
-
- RatesManager - Class in org.drip.service.env
-
Manages the creation/loading of rates curves of different kinds for a given EOD
- RatesManager() - Constructor for class org.drip.service.env.RatesManager
-
- RatesScenarioCurve - Class in org.drip.param.definition
-
This abstract class serves as the place holder for the different Rates scenario curves.
- RatesScenarioCurve() - Constructor for class org.drip.param.definition.RatesScenarioCurve
-
- RatesScenarioCurveBuilder - Class in org.drip.param.creator
-
This class implements the various ways of constructing, de-serializing, and building the Rates Scenario
Curves Container.
- RatesScenarioCurveBuilder() - Constructor for class org.drip.param.creator.RatesScenarioCurveBuilder
-
- RatesSetting - Class in org.drip.product.params
-
Component Rates Valuation Parameters contains the interest rates related valuation parameters - the
discount curves to be used for discounting the coupon, the redemption, the principal, and the settle
cash flows.
- RatesSetting(String, String, String, String) - Constructor for class org.drip.product.params.RatesSetting
-
RatesSetting constructor
- RatesSetting(byte[]) - Constructor for class org.drip.product.params.RatesSetting
-
RatesSetting de-serialization from input byte array
- regress() - Method in class org.drip.regression.core.UnitRegressionExecutor
-
- regress() - Method in interface org.drip.regression.core.UnitRegressor
-
This method performs the feature by feature regression for the given object.
- REGRESSION_DETAIL_MODULE_AGGREGATED - Static variable in class org.drip.regression.core.RegressionEngine
-
Regression outputs rolled up to Modules
- REGRESSION_DETAIL_MODULE_UNIT_AGGREGATED - Static variable in class org.drip.regression.core.RegressionEngine
-
Regression outputs rolled up to Module Units
- REGRESSION_DETAIL_MODULE_UNIT_DECOMPOSED - Static variable in class org.drip.regression.core.RegressionEngine
-
Regression outputs decomposed at individual Module Units
- REGRESSION_DETAIL_STATS - Static variable in class org.drip.regression.core.RegressionEngine
-
Regression Output: Statistics
- RegressionEngine - Class in org.drip.regression.core
-
This class provides the control and frame-work functionality for the General Purpose Regression Suite.
- RegressionRunDetail - Class in org.drip.regression.core
-
This class contains named field level detailed output of the regression activity.
- RegressionRunDetail() - Constructor for class org.drip.regression.core.RegressionRunDetail
-
Empty constructor: Regression detail fields will be initialized
- RegressionRunOutput - Class in org.drip.regression.core
-
This class contains the output of the regression activity.
- RegressionRunOutput(String) - Constructor for class org.drip.regression.core.RegressionRunOutput
-
Empty Regression Run Output Constructor
- RegressorSet - Interface in org.drip.regression.core
-
This interface provides the Regression set stubs.
- RemoveBond(String) - Static method in class org.drip.service.api.CreditAnalytics
-
Removes the bond ID from the cache
- removeCompQuote(String) - Method in class org.drip.param.definition.MarketParams
-
Removes the component quote
- removeCompQuote(String) - Method in class org.drip.param.market.MarketParamsContainer
-
- removeFixings(JulianDate, String) - Method in class org.drip.param.definition.MarketParams
-
Removes the fixing corresponding to the given date and index
- removeFixings(JulianDate, String) - Method in class org.drip.param.market.MarketParamsContainer
-
- removeMarketQuote() - Method in class org.drip.param.definition.ComponentQuote
-
Removes the market quote
- removeMarketQuote() - Method in class org.drip.param.market.ComponentMultiMeasureQuote
-
- removeQuote(String) - Method in class org.drip.param.definition.ComponentQuote
-
Remove the named Quote
- removeQuote(String) - Method in class org.drip.param.market.ComponentMultiMeasureQuote
-
- removeScenCC(String) - Method in class org.drip.param.definition.MarketParams
-
Removes the named scenario CC
- removeScenCC(String) - Method in class org.drip.param.market.MarketParamsContainer
-
- removeScenDC(String) - Method in class org.drip.param.definition.MarketParams
-
Removes the named scenario DC
- removeScenDC(String) - Method in class org.drip.param.market.MarketParamsContainer
-
- removeTSYQuote(String) - Method in class org.drip.param.definition.MarketParams
-
Removes the named Treasury Quote
- removeTSYQuote(String) - Method in class org.drip.param.market.MarketParamsContainer
-
- resetCoupon(double) - Method in class org.drip.product.credit.CDSComponent
-
Resets the CDS's coupon
- resetCoupon(double) - Method in class org.drip.product.definition.CreditDefaultSwap
-
Resets the CDS's coupon
- resetNode(int, double) - Method in class org.drip.math.spline.SpanInterpolator
-
Reset the given node with the given value
- RIDDER - Static variable in class org.drip.math.solver1D.VariateIteratorPrimitive
-
Ridder's Method
- Ridder(double, double, double, double, double, double) - Static method in class org.drip.math.solver1D.VariateIteratorPrimitive
-
Iterate for the next variate using Ridder's method
- RIGHT_INCLUDE - Static variable in class org.drip.analytics.date.JulianDate
-
RIGHT_INCLUDE includes the end date in the Feb29 check
- Roll(double) - Method in class org.drip.analytics.daycount.DateAdjustParams
-
Rolls the given date
- RollDate(double, int, String) - Static method in class org.drip.analytics.daycount.Convention
-
Rolls the given date in accordance with the roll mode and the calendar set
- RollDate(JulianDate, String, int) - Static method in class org.drip.service.api.CreditAnalytics
-
Rolls the given date according to the calendar set and the roll mode
- RollHoliday(double, boolean, Weekend) - Static method in class org.drip.analytics.holiday.Base
-
Rolls the date to a non-holiday according to the rule specified
- RootFinderSample - Class in org.drip.math.sample
-
This sample contains a sample illustration of usage of the Root Finder Library.
- RootFinderSample() - Constructor for class org.drip.math.sample.RootFinderSample
-
- RUBHoliday - Class in org.drip.analytics.holset
-
- RUBHoliday() - Constructor for class org.drip.analytics.holset.RUBHoliday
-
- RunFullBondTests(MarketParams, JulianDate, double, double) - Static method in class org.drip.tester.functional.BondTestSuite
-
- RunFullMarketBondTests(MarketParams, JulianDate) - Static method in class org.drip.tester.functional.BondTestSuite
-
- RURHoliday - Class in org.drip.analytics.holset
-
- RURHoliday() - Constructor for class org.drip.analytics.holset.RURHoliday
-


{% extends "demo/base.html" %}
{% load wagtailcore_tags wagtailimages_tags %}
{% block heading %}
{% include "demo/includes/intro.html" with intro=self.intro only %}
{% endblock %}
{% block content %}
{# Uses method defined in models.py to retrieve all upcoming events #}
{# See also standard index for creating a listing with a tag #}
{% with self.events.all as events %}
{% if events %}


First unit to produce commercial wave energy installed off Peniche
by TPN/LusaThe first unit of the Peniche wave energy park has been successfully installed on the seabed, announced the Finnish company AW Energy
Through the company's official website, AW Energy's CEO, Christopher Ridgewell, confirms that the unit, the first to produce energy on a commercial scale, was installed "successfully" off the beach of Almagreira in Peniche, in the district of Leiria.
Since the floating platform was submerged, technicians are monitoring performance 24/7 via remote control and testing to adjust the system for better performance.
The first data collected "indicates that [the unit] Wave Roller is working well and its performance is in line with expectations.
The assembly of the prototype for the commercial phase of producing electricity from wave motion, with an installed power of 350 kilowatts, was completed in mid-September in Peniche.
Last week, the unit was towed to the site, submerged and installed on the high seas at a depth of 15 to 25 meters, near the coast. The next step is connection to the electricity grid.
The technology consists of a vertical panel that moves with the sea currents, capturing energy that is transmitted to a hydraulic system and from there to a power plant.
The company estimates that it will produce five megawatts (MW) of power, enough to supply 4,000 homes with electricity.
The production of energy from waves, because it is less intermittent than wind or solar energy, has a potential equivalent to that of wind and solar energy together.
Around 20% of the electricity consumed in Portugal and Spain comes from wind energy.
AW Energy aims to create a large world park, with an installed capacity of between 50 and 100 MW, an investment that should amount to 100 million euros and put Portugal at the forefront in the segment of world wave energy production.