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iText 7 : Is it possible to remove all text occurrences contained in a specified area (red color rectangle area) of a pdf document? Once a relation has been partitioned among several disks, we can retrieve it in parallel, using all the disks Similarly, when a relation is being partitioned, it can be written to multiple disks in parallel Thus, the transfer rates for reading or writing an entire relation are much faster with I/O parallelism than without it However, reading an entire relation, or scanning a relation, is only one kind of access to data Access to data can be classi ed as follows: 1 Scanning the entire relation 2 Locating a tuple associatively (for example, employee-name = Campbell ); these queries, called point queries, seek tuples that have a speci ed value for a speci c attribute 3 Locating all tuples for which the value of a given attribute lies within a speci ed range (for example, 10000 < salary < 20000); these queries are called range queries The different partitioning techniques support these types of access at different levels of ef ciency: Round-robin The scheme is ideally suited for applications that wish to read the entire relation sequentially for each query With this scheme, both point queries and range queries are complicated to process, since each of the n disks must be used for the search Hash partitioning This scheme is best suited for point queries based on the partitioning attribute For example, if a relation is partitioned on the telephonenumber attribute, then we can answer the query Find the record of the employee with telephone-number = 555-3333 by applying the partitioning hash function to 555-3333 and then searching that disk Directing a query to a single disk saves the startup cost of initiating a query on multiple disks, and leaves the other disks free to process other queries Hash partitioning is also useful for sequential scans of the entire relation If the hash function is a good randomizing function, and the partitioning attributes form a key of the relation, then the number of tuples in each of the disks is approximately the same, without much variance Hence, the time taken to scan the relation is approximately 1/n of the time required to scan the relation in a single disk system The scheme, however, is not well suited for point queries on nonpartitioning attributes Hash-based partitioning is also not well suited for answering range queries, since, typically, hash functions do not preserve proximity within a range Therefore, all the disks need to be scanned for range queries to be answered Range partitioning This scheme is well suited for point and range queries on the partitioning attribute For point queries, we can consult the partitioning vector to locate the disk where the tuple resides For range queries, we consult. java itext pdf remove text: Java IText : Underline + Strikethrough - Jenkov Tutorials java itext pdf remove text How to replace / remove text from a PDF file - Stack Overflow
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28 Jul 2016 ... Add, Edit Metadata of PDF Document using iText in Java ... package com. memorynotfound. pdf . itext ; import com. itextpdf . text .Document; import ... tend the operator s abilities to meet specific network management needs based on unique business needs The advantage of integrated network management is that core software provides a foundation for applications addressing all network management areas to share and leverage data where possible, introducing information efficiencies in numerous ways It serves as a foundation for integrating all the various and necessary network management functions Using SNMP and standard or proprietary MIBs, it provides a base of access to all the network components through the network communication link This includes workstations, servers, applications, databases, networking devices (hubs, routers, bridges), and network traffic The network management application provides a common set of services into these components, such as discovery, mapping, and event handling (events as defined by SNMP) Network management applications can access these services to take network component data and apply it in useful and creative ways to help staff cope with the complex task of managing network resources For example, discovery and mapping allow network addresses to be retained so that any device problem can be quickly located and dealt with Figure 3213 shows an integrated management scheme load balanced like any other published application Conference Room is invisible to the user, but it is automatically launched via Conference Manger User Interface when a meeting is started or joined It is the component that provides the actual shadowing session in which the users collaborate during a conference Note, this published application should not be renamed; otherwise, conferences cannot be started java itext pdf remove text Java IText : Underline + Strikethrough - Jenkov Tutorials
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