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Go Go's development of nine basic commands
Author: Sha Zhenyu
go build commands (compile command)
go build no parameters compiling
go build parameters
go clean command (Clear compiled file)
Go RUN command (compile and run)
Go command fmt (format code files)
Go install command (compile and install)
Go get command (get a key package, compile and install)
Go the generate command (automation generate some kind of code before compilation)
Go the test command (test command)
Go pprof command (command performance analysis)
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java and design patterns - Facade Mode (Mode appearance)
Author: thin no summer
Facade mode (Facade Pattern) also called appearance model, a commonly used encapsulation, which is defined as follows:
the Provide A Unified interface to the interfaces of A in SET subsystem.Facade The Defines A-A IN AREAS OF COMMUNICAITIONS levelinterface that Makes thesubsystem Easier to use. (requires an external communication subsystem and its interior must be made through a unified object. facade pattern provides a high-level interface that makes the subsystem easier to use.)
facade pattern focus on "unified object" that is to provide an access subsystem interfaces, in addition to this interface does not allow any access subsystem behavior.
Yes, it's that simple class diagram, but the significance it represents, but very complex, Subsystem Classes subsystem is referred to all classes, it may represent a class, it may also represent a collection of dozens of objects. No matter how many objects we put all these objects circle the category subsystems.
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Flume-- highly available, highly reliable, distributed log collection system
Author: time still not brief history
Introduction
Flume Cloudera is provided to a highly available, highly reliable, distributed massive log collection, aggregation and transmission systems, to support various types of customized data Flume sender log system for collecting data; simultaneously, providing Flume simple data processing, and the ability to write to a variety of data recipients (customizable) is.
Current Flume There are two versions: Flume 0.9X version of collectively Flume-og, Flume1.X version of collectively Flume-ng. Since the Flume-ng after major reconstruction, with the Flume-og are very different, please note the distinction between use.
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Python programming practical tips
Author: cupyter
A decimal decimal places designated reserved
1.% f method
2.format function
3.round () function
4. Direct truncated
two, two methods of determining the data type of the variable
1.type ():
2.isinstance ()
III. the python class methods (@classmethod)
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"Easing the bit interviewer" series - spike System Design
Author: Ao Dian propane
Redis such a broad use of Internet technology in storage, almost all of the back-end technology interviewer should make things difficult for small partners to carry out 360 ° in the use of terms and principles of Redis.
As a first Internet companies to take on a face surface of tyrants Offer, defeated countless competitors, each time only to see the countless lonely figure left disappointed, somewhat guilty (Please allow me to use it exaggerated rhetoric).
So at night a lonely days, my bitter experience, decided to start writing "beating and hanging interviewer" series, hoping to help you readers like gangbusters after the interview, the interviewer counterattack of 360 °, beating and hanging ask your interviewer, so that together interview colleagues staggering, crazy harvesting giant Offer!
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3 of the latest hot information technology
4. job interviews, career advanced, life sentiment
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