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python
def depthtospace(attrs, inputs, proto_obj): """Rearranges data from depth into blocks of spatial data.""" new_attrs = translation_utils._fix_attribute_names(attrs, {'blocksize':'block_size'}) return "depth_to_space", new_attrs, inputs
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def download_channel_image_file(self, channel_name, plate_name, well_name, well_pos_y, well_pos_x, cycle_index, tpoint, zplane, correct, align, directory): '''Downloads a channel image and writes it to a `PNG` file on disk. Parameters ---------- channel_name: str...
python
def get_archives(self, title_id, language_code): """Get the archive list from a given `title_id` and `language_code`. :param int title_id: title id. :param int language_code: language code. :return: the archives. :rtype: list of :class:`LegendasTVArchive` """ lo...
java
public INode[] getExistingPathINodes(String path) { byte[][] components = getPathComponents(path); INode[] inodes = new INode[components.length]; this.getExistingPathINodes(components, inodes); return inodes; }
java
protected final boolean matchString(int state, char expected[]) throws Exception{ int length = expected.length; while(state<length && position<limit){ if(input[position]!=expected[state]) throw expected(codePoint(), new String(new int[]{ Character.codePointAt(expected, state...
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def write_single_response(self, response_obj): """ Writes a json rpc response ``{"result": result, "error": error, "id": id}``. If the ``id`` is ``None``, the response will not contain an ``id`` field. The response is sent to the client as an ``application/json`` response. Only one call ...
java
@SuppressWarnings({ "unchecked" }) public <VV> EntryStream<K, VV> selectValues(Class<VV> clazz) { return (EntryStream<K, VV>) filter(e -> clazz.isInstance(e.getValue())); }
java
public SAXParseException[] getXMLWarnings() { if (mWarnings == null) { return null; } return (SAXParseException[]) mWarnings.toArray(new SAXParseException[mWarnings.size()]); }
python
def _get_block_header(self, block_hash, num): """Get block header by block header hash & number. :param block_hash: :param num: :return: """ header_key = header_prefix + num + block_hash block_header_data = self.db.get(header_key) header = rlp.decode(blo...
python
def from_jd(jd: float, fmt: str = 'jd') -> datetime: """ Converts a Julian Date to a datetime object. Algorithm is from Fliegel and van Flandern (1968) Parameters ---------- jd: float Julian Date as type specified in the string fmt fmt: str Returns ------- dt: datetime...
python
def decode_solution(self, encoded_solution): """Return solution from an encoded representation.""" return self._decode_function(encoded_solution, *self._decode_args, **self._decode_kwargs)
java
protected String getArgumentValue(String arg, String[] args, String defalt) { String argName = getArgName(arg); for (int i = 1; i < args.length; i++) { String currentArgName = getArgName(args[i]); // return what's to left of = if there is one if (currentArgName.equalsIgnoreCase(a...
java
public List<CmsGroup> getGroups( CmsDbContext dbc, CmsOrganizationalUnit orgUnit, boolean includeSubOus, boolean readRoles) throws CmsException { return getUserDriver(dbc).getGroups(dbc, orgUnit, includeSubOus, readRoles); }
python
def _known_stale(self): """ The commit is known to be from a file (and therefore stale) if a SHA is supplied by git archive and doesn't match the parsed commit. """ if self._output_from_file() is None: commit = None else: commit = self.commit ...
python
def CreateBitmap(self, artid, client, size): """Adds custom images to Artprovider""" if artid in self.extra_icons: return wx.Bitmap(self.extra_icons[artid], wx.BITMAP_TYPE_ANY) else: return wx.ArtProvider.GetBitmap(artid, client, size)
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private Deferred<ChannelBuffer> serialize() throws Exception { final long start = System.currentTimeMillis(); // buffers and an array list to stored the deferreds final ChannelBuffer response = ChannelBuffers.dynamicBuffer(); final OutputStream output_stream = new ChannelBufferOutputStream(response); ...
java
@XmlElementDecl(namespace = "http://www.opengis.net/citygml/waterbody/1.0", name = "WaterGroundSurface", substitutionHeadNamespace = "http://www.opengis.net/citygml/waterbody/1.0", substitutionHeadName = "_WaterBoundarySurface") public JAXBElement<WaterGroundSurfaceType> createWaterGroundSurface(WaterGroundSurfaceT...
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public void execute() throws MojoExecutionException { if (watchFilter == null) { removeFromWatching(); } NPM.npm(this, name, version).execute( binary != null ? binary : name, arguments); }
java
public static Object evaluateAsObject(Node node, String xPathExpression, NamespaceContext nsContext, QName resultType) { return evaluateExpression(node, xPathExpression, nsContext, resultType); }
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def attr_fill_null(args): """ Assign the null sentinel value for all entities which do not have a value for the given attributes. see gs://broad-institute-gdac/GDAC_FC_NULL for more details """ NULL_SENTINEL = "gs://broad-institute-gdac/GDAC_FC_NULL" attrs = args.attributes if not attr...
python
def create_restore_point(self, name=None): '''Creating a configuration restore point. Parameters ---------- name : str Name of the restore point. If not given, a md5 hash will be generated. ''' if name is None: for i in iter(int, 1): ...
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protected IPortletRenderExecutionWorker startPortletRenderInternal( IPortletWindowId portletWindowId, HttpServletRequest request, HttpServletResponse response) { // first check to see if there is a Throwable in the session for this IPortletWindowId final Map<IPortletW...
python
def get_site_symmetries(wyckoff): """List up site symmetries The data structure is as follows: wyckoff[0]['wyckoff'][0]['site_symmetry'] Note ---- Maximum length of string is 6. """ ssyms = [] for w in wyckoff: ssyms += ["\"%-6s\"" % w_s['site_symmetry'] for w_s in w...
python
def _new(self, src_path, dry_run=False, remove_uploaded=False): 'Code to upload' # are we getting a symbolic link? if os.path.islink(src_path): sourcefile = os.path.normpath(os.path.join(self.topdir, os.readlink(src_path))) if not os.path.exists(source...
java
public static int requireNonNegative(int i, String message) { Objects.requireNonNull(message, "message must not be null"); if (i < 0) { throw new IllegalArgumentException(message); } return i; }
java
public static <T> void forEach(Iterable<T> iterable, Procedure<? super T> procedure) { if (iterable instanceof InternalIterable) { ((InternalIterable<T>) iterable).forEach(procedure); } else if (iterable instanceof ArrayList) { ArrayListIterate.forEach...
python
def get_server_capabilities(self): """Get hardware properties which can be used for scheduling :return: a dictionary of server capabilities. :raises: IloError, on an error from iLO. :raises: IloCommandNotSupportedError, if the command is not supported on the server. ...
python
def roles_required(*roles): """Decorator which specifies that a user must have all the specified roles. Example:: @app.route('/dashboard') @roles_required('admin', 'editor') def dashboard(): return 'Dashboard' The current user must have both the `admin` role and `editor...
python
def reverse( self, query, exactly_one=DEFAULT_SENTINEL, timeout=DEFAULT_SENTINEL, kind=None, ): """ Return an address by location point. :param query: The coordinates for which you wish to obtain the closest human-reada...
python
def _get_package_data(): """ Import a set of important packages and return relevant data about them in a dict. Imports are done in here to avoid potential for circular imports and other problems, and to make iteration simpler. """ moddata = [] modlist = ( "click", "config...
python
def cumulative_value(self, slip, mmax, mag_value, bbar, dbar, beta): ''' Returns the rate of events with M > mag_value :param float slip: Slip rate in mm/yr :param float mmax: Maximum magnitude :param float mag_value: Magnitude value :...
java
@Override public boolean eIsSet(int featureID) { switch (featureID) { case AfplibPackage.BII__IMO_NAME: return IMO_NAME_EDEFAULT == null ? imoName != null : !IMO_NAME_EDEFAULT.equals(imoName); } return super.eIsSet(featureID); }
python
def upload(self, resource_id, data): """Update the request URI to upload the a document to this resource. Args: resource_id (integer): The group id. data (any): The raw data to upload. """ self.body = data self.content_type = 'application/octet-stream' ...
java
private static String getJsPackage(FileDescriptor file) { String protoPackage = file.getPackage(); if (!protoPackage.isEmpty()) { return "proto." + protoPackage; } return "proto"; }
java
@Override public void exec(Result<Object> result, Object ...args) { TableKelp tableKelp = _table.getTableKelp(); RowCursor minCursor = tableKelp.cursor(); RowCursor maxCursor = tableKelp.cursor(); minCursor.clear(); maxCursor.setKeyMax(); _keyExpr.fillMinCursor(minCursor, args...
java
public Vector<Object> toValuesVector() { final Vector<Object> values = new Vector<Object>(); for (final JKTableColumnValue value : this.columnsValues) { values.add(value); } return values; }
java
public boolean completed() { if (engine == null) { return false; } if (length.isEnabled()) { if (timeout > 0) { return false; } return completed; } if (emitCount.isEnabled()) { if (leftToEmit > 0) { return false; } return completed; } if (wrapUp) { retu...
java
public List<DataSourceType<WebFragmentDescriptor>> getAllDataSource() { List<DataSourceType<WebFragmentDescriptor>> list = new ArrayList<DataSourceType<WebFragmentDescriptor>>(); List<Node> nodeList = model.get("data-source"); for(Node node: nodeList) { DataSourceType<WebFragmentDesc...
python
def _tumor_normal_stats(rec, somatic_info, vcf_rec): """Retrieve depth and frequency of tumor and normal samples. """ out = {"normal": {"alt": None, "depth": None, "freq": None}, "tumor": {"alt": 0, "depth": 0, "freq": None}} if hasattr(vcf_rec, "samples"): samples = [(s, {}) for s in...
python
def _log_multivariate_normal_density_full(X, means, covars, min_covar=1.e-7): """Log probability for full covariance matrices.""" n_samples, n_dim = X.shape nmix = len(means) log_prob = np.empty((n_samples, nmix)) for c, (mu, cv) in enumerate(zip(means, covars)): try: cv_chol = l...
java
public void setInitializer(/* @Nullable */ JvmField field, /* @Nullable */ StringConcatenationClient strategy) { if (field == null || strategy == null) return; removeExistingBody(field); setCompilationStrategy(field, strategy); }
python
def localization_feature(app): """ Localization feature This will initialize support for translations and localization of values such as numbers, money, dates and formatting timezones. """ # apply app default to babel app.config['BABEL_DEFAULT_LOCALE'] = app.config['DEFAULT_LOCALE'] app...
python
def new_from_list(cls, items, **kwargs): """Populates the ListView with a string list. Args: items (list): list of strings to fill the widget with. """ obj = cls(**kwargs) for item in items: obj.append(ListItem(item)) return obj
java
public void connect() throws DBException { try { LOGGER.debug("Initializing MongoDB client"); mongoClient = new MongoClient(this.host, this.port); } catch (UnknownHostException e) { throw new DBException(e.toString()); } }
java
public void fireDepthThresholdReachedEvent(ControlAdapter cAdapter, boolean reachedHigh, long numMsgs) { if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(tc, "fireDepthThresh...
python
def reg_to_lex(conditions, wildcards): """Transform a regular expression into a LEPL object. Replace the wildcards in the conditions by LEPL elements, like xM will be replaced by Any() & 'M'. In case of multiple same wildcards (like xMx), aliases are created to allow the regexp to compile, like ...
java
protected void postLayoutChild(final int dataIndex) { if (!mContainer.isDynamic()) { boolean visibleInLayout = !mViewPort.isClippingEnabled() || inViewPort(dataIndex); ViewPortVisibility visibility = visibleInLayout ? ViewPortVisibility.FULLY_VISIBLE : ViewPortVisibil...
python
def preprocess_async(train_dataset, output_dir, eval_dataset=None, checkpoint=None, cloud=None): """Preprocess data. Produce output that can be used by training efficiently. Args: train_dataset: training data source to preprocess. Can be CsvDataset or BigQueryDataSet. If eval_dataset is None, the pipel...
python
def from_wei(number: int, unit: str) -> Union[int, decimal.Decimal]: """ Takes a number of wei and converts it to any other ether unit. """ if unit.lower() not in units: raise ValueError( "Unknown unit. Must be one of {0}".format("/".join(units.keys())) ) if number == 0...
python
def on_rabbitmq_close(self, reply_code, reply_text): """Called when RabbitMQ has been connected to. :param int reply_code: The code for the disconnect :param str reply_text: The disconnect reason """ global rabbitmq_connection LOGGER.warning('RabbitMQ has disconnected (...
python
def batch_mutate(self, mutation_map, consistency_level): """ Mutate many columns or super columns for many row keys. See also: Mutation. mutation_map maps key to column family to a list of Mutation objects to take place at that scope. * Parameters: - mutation_map - consistency_level ...
java
public static appfwlearningsettings get(nitro_service service, String profilename) throws Exception{ appfwlearningsettings obj = new appfwlearningsettings(); obj.set_profilename(profilename); appfwlearningsettings response = (appfwlearningsettings) obj.get_resource(service); return response; }
python
def get_function_class(function_name): """ Return the type for the requested function :param function_name: the function to return :return: the type for that function (i.e., this is a class, not an instance) """ if function_name in _known_functions: return _known_functions[function_na...
python
def get_template_path(self, meta=None, **kwargs): """ Formats template_name_path_pattern with kwargs given. """ if 'template_name_suffix' not in kwargs or kwargs.get('template_name_suffix') is None: kwargs['template_name_suffix'] = self.get_template_name_suffix() ...
python
def path_parts(path): """Split path into container, object. :param path: Path to resource (including container). :type path: `string` :return: Container, storage object tuple. :rtype: `tuple` of `string`, `string` """ path = path if path is not None else '' container_path = object_pat...
java
public void setBackground(Color color) { predraw(); GL.glClearColor(color.r, color.g, color.b, color.a); postdraw(); }
java
public void cancel() { Exchange exchangeToCancel; RealConnection connectionToCancel; synchronized (connectionPool) { canceled = true; exchangeToCancel = exchange; connectionToCancel = exchangeFinder != null && exchangeFinder.connectingConnection() != null ? exchangeFinder.connect...
java
protected PrivateKey getSigningPrivateKey() throws Exception { val samlIdp = casProperties.getAuthn().getSamlIdp(); val signingKey = samlIdPMetadataLocator.getSigningKey(); val privateKeyFactoryBean = new PrivateKeyFactoryBean(); privateKeyFactoryBean.setLocation(signingKey); pri...
java
public WaiterState accepts(AmazonServiceException exception) throws AmazonServiceException { for (WaiterAcceptor<Output> acceptor : acceptors) { if (acceptor.matches(exception)) { return acceptor.getState(); } } throw exception; }
java
public void fire(StepEvent event) { Step step = stepStorage.getLast(); event.process(step); notifier.fire(event); }
python
def calculate_sets(rules): """Calculate FOLLOW sets. Adapted from: http://lara.epfl.ch/w/cc09:algorithm_for_first_and_follow_sets""" symbols = {sym for rule in rules for sym in rule.expansion} | {rule.origin for rule in rules} # foreach grammar rule X ::= Y(1) ... Y(k) # if k=0 or {Y(1),...,Y(k)} ...
java
public static String toBundleName(String bundleBaseName, Locale locale) { String baseName = bundleBaseName.replace('.', '/'); if (locale == null) { return baseName; } String language = locale.getLanguage(); String country = locale.getCountry(); String variant = locale.getVariant(); if (StringUtils.i...
java
public void handle(RequestContext context, AuthenticationException e) throws SecurityProviderException, IOException { saveRequest(context); String loginFormUrl = getLoginFormUrl(); if (StringUtils.isNotEmpty(loginFormUrl)) { RedirectUtils.redirect(context.getRequest(), ...
python
def _updateall(self, query, vars, returning=False): """ Update, with optional return. """ cursor = self.get_db().cursor() self._log(cursor, query, vars) cursor.execute(query, vars) self.get_db().commit() return cursor.fetchall() if returning else None
java
public static XorPeerAddressAttribute createXorPeerAddressAttribute( TransportAddress address, byte[] tranID) { XorPeerAddressAttribute attribute = new XorPeerAddressAttribute(); // TODO shouldn't we be XORing the address before setting it? attribute.setAddress(address, tranID); return attribute; }
python
def swo_disable(self, port_mask): """Disables ITM & Stimulus ports. Args: self (JLink): the ``JLink`` instance port_mask (int): mask specifying which ports to disable Returns: ``None`` Raises: JLinkException: on error """ res = s...
java
public void marshall(ReplicaSettingsDescription replicaSettingsDescription, ProtocolMarshaller protocolMarshaller) { if (replicaSettingsDescription == null) { throw new SdkClientException("Invalid argument passed to marshall(...)"); } try { protocolMarshaller.marshall(r...
java
@Override public void selectRange(int startParagraphIndex, int startColPosition, int endParagraphIndex, int endColPosition) { selectRange(textPosition(startParagraphIndex, startColPosition), textPosition(endParagraphIndex, endColPosition)); }
python
def package_node(root=None, name=None): '''package node aims to package a (present working node) for a user into a container. This assumes that the node is a single partition. :param root: the root of the node to package, default is / :param name: the name for the image. If not specified, will use ma...
python
def write(self, src, dest=None): """Schedules a write of the file at ``src`` to the ``dest`` path in this jar. If the ``src`` is a file, then ``dest`` must be specified. If the ``src`` is a directory then by default all descendant files will be added to the jar as entries carrying their relative path....
python
def newAttemptForUser(self, user): """ Create an L{_PasswordResetAttempt} for the user whose username is C{user} @param user: C{unicode} username """ # we could query for other attempts by the same # user within some timeframe and raise an exception, # if we wante...
java
public synchronized void rollback() throws SIIncorrectCallException, SIResourceException, SIConnectionLostException, SIErrorException { if (tc.isEntryEnabled()) SibTr.entry(this, tc, "rollback"); if (!valid) { throw new SIIncorrectCall...
python
def isnil(self): """ Get whether the element is I{nil} as defined by having an I{xsi:nil="true"} attribute. @return: True if I{nil}, else False @rtype: boolean """ nilattr = self.getAttribute("nil", ns=Namespace.xsins) return nilattr is not None and (nil...
python
def end_container(self, cancel=None): """Finishes and registers the currently-active container, unless 'cancel' is True.""" if not self._containers: return container = self._containers.pop() if len(self._containers) >= 1: parent = self._containers[-1] ...
python
def read_http_header(sock): """Read HTTP header from socket, return header and rest of data.""" buf = [] hdr_end = '\r\n\r\n' while True: buf.append(sock.recv(bufsize).decode('utf-8')) data = ''.join(buf) i = data.find(hdr_end) if i == -1: continue re...
python
def plot_sediment_rate(self, ax=None): """Plot sediment accumulation rate prior and posterior distributions""" if ax is None: ax = plt.gca() y_prior, x_prior = self.prior_sediment_rate() ax.plot(x_prior, y_prior, label='Prior') y_posterior = self.mcmcfit.sediment_ra...
python
def quat_conjugate(quaternion): """Return conjugate of quaternion. >>> q0 = random_quaternion() >>> q1 = quat_conjugate(q0) >>> q1[3] == q0[3] and all(q1[:3] == -q0[:3]) True """ return np.array( (-quaternion[0], -quaternion[1], -quaternion[2], quaternion[3]), dtype=np.float3...
java
protected Server configureJetty(final int port) { final Server server = new Server(); final ServerConnector connector = new ServerConnector(server); final ServletContextHandler sch = getServletContextHandler(); // TODO: make all of this configurable connector.setIdleTimeout((int...
java
public String logMessage(String strTrxIDIn, BaseMessage trxMessage, String strMessageInfoType, String strMessageProcessType, String strMessageStatus, String strMessageDescription, String strMessageMimeType) { String strTrxID = strTrxIDIn; int iUserID = -1; String strContactType = null; ...
python
def digest_auth(realm, auth_func): """A decorator used to protect methods with HTTP Digest authentication. """ def digest_auth_decorator(func): def func_replacement(self, *args, **kwargs): # 'self' here is the RequestHandler object, which is inheriting # from DigestAuthMixin...
python
def _write_udf_descs(self, descs, outfp, progress): # type: (PyCdlib._UDFDescriptors, BinaryIO, PyCdlib._Progress) -> None ''' An internal method to write out a UDF Descriptor sequence. Parameters: descs - The UDF Descriptors object to write out. outfp - The output fil...
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public Collection values() { if (mValues==null) { mValues = new AbstractCollection() { public Iterator iterator() { return getHashIterator(IdentityMap.VALUES); } public int size() { return mCount; ...
java
private static GradientDrawable getStandardBackground(int color) { final GradientDrawable gradientDrawable = new GradientDrawable(); gradientDrawable.setCornerRadius(BackgroundUtils.convertToDIP(4)); gradientDrawable.setColor(color); return gradientDrawable; }
java
public static String escapeCssStringMinimal(final String text) { return escapeCssString(text, CssStringEscapeType.BACKSLASH_ESCAPES_DEFAULT_TO_COMPACT_HEXA, CssStringEscapeLevel.LEVEL_1_BASIC_ESCAPE_SET); }
python
def filter_image(im_name, out_base, step_size=None, box_size=None, twopass=False, cores=None, mask=True, compressed=False, nslice=None): """ Create a background and noise image from an input image. Resulting images are written to `outbase_bkg.fits` and `outbase_rms.fits` Parameters ---------- i...
java
@SuppressWarnings("unchecked") public <V extends View> V findView(View containerView, int id) { return (V)containerView.findViewById(id); }
java
public void removeOutputPlugin(OutputPluginModel outputPlugin) { Future future = futureHashMap.remove(outputPlugin.getID()); if (future != null) { future.cancel(true); } outputPlugins.remove(outputPlugin); }
java
public @Nullable Resource getResource(@NotNull Resource baseResource) { return getResource((Predicate<Resource>)null, baseResource); }
python
def from_current(cls): """Create an application client from within a running container. Useful for connecting to the application master from a running container in a application. """ if properties.application_id is None: raise context.ValueError("Not running inside a...
python
def _parse_entry_record(self, lines): """Parse a single entry record from a list of lines.""" dn = None entry = OrderedDict() for line in lines: attr_type, attr_value = self._parse_attr(line) if attr_type == 'dn': self._check_dn(dn, attr_value) ...
python
def Morrison(Re): r'''Calculates drag coefficient of a smooth sphere using the method in [1]_ as described in [2]_. .. math:: C_D = \frac{24}{Re} + \frac{2.6Re/5}{1 + \left(\frac{Re}{5}\right)^{1.52}} + \frac{0.411 \left(\frac{Re}{263000}\right)^{-7.94}}{1 + \left(\frac{Re}{263000}\...
java
public static Metadata from(UICommandMetadata origin, Class<? extends UICommand> type) { Assert.notNull(origin, "Parent UICommand must not be null."); Assert.notNull(type, "UICommand type must not be null."); Metadata metadata = new Metadata(type); metadata.docLocation(origin.getDocLocation()...
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public static BufferedImage getResized(final BufferedImage originalImage, final Method scalingMethod, final Mode resizeMode, final String formatName, final int targetWidth, final int targetHeight) throws IOException { return read(resize(originalImage, scalingMethod, resizeMode, formatName, targetWidth, target...
python
def verifyChainFromCAPath(self, capath, untrusted_file=None): """ Does the same job as .verifyChainFromCAFile() but using the list of anchors in capath directory. The directory should (only) contain certificates files in PEM format. As for .verifyChainFromCAFile(), a list of untr...
java
public static final void setActiveSession(Session session) { synchronized (Session.STATIC_LOCK) { if (session != Session.activeSession) { Session oldSession = Session.activeSession; if (oldSession != null) { oldSession.close(); } ...
python
def reassign_label(self, label, new_label, relabel=False): """ Reassign a label number to a new number. If ``new_label`` is already present in the segmentation image, then it will be combined with the input ``label`` number. Parameters ---------- labels : int ...
java
private static boolean load(String name, boolean mustSucceed, boolean useJavaLib) { if (s_loadedLibs.contains(name)) { return true; } if (! VoltDB.getLoadLibVOLTDB()) { return false; } test64bit(); StringBuilder msgBuilder = new StringBuilder("Load...
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protected HashMap<String, INode> createHash(IContext context) { HashMap<String, INode> result = new HashMap<String, INode>(); int nodeCount = 0; for (INode node : context.getNodesList()) { result.put(getNodePathToRoot(node), node); nodeCount++; } ...
python
def read_json(fh, byteorder, dtype, count, offsetsize): """Read JSON tag data from file and return as object.""" data = fh.read(count) try: return json.loads(unicode(stripnull(data), 'utf-8')) except ValueError: log.warning('read_json: invalid JSON')
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def draw_header(self, stream, header): """Draw header with underline""" stream.writeln('=' * (len(header) + 4)) stream.writeln('| ' + header + ' |') stream.writeln('=' * (len(header) + 4)) stream.writeln()