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Recall our definition of directory structure in engineering development, generally divided into two kinds, single-page multi-module, multi-page multi-module. In a single-page multi-module engineering structure, we will consider the reuse of the module, such as: How to extract public things (styles, functions, etc.) to facilitate the reuse of other modules. In multi-page multi-module scenarios, it is the same, but in addition to the global common styles and methods extracted to the public directo
Because of the retrieval, I need to use the accuracy and recall rate (Precision-recall) index to measure the validity of the retrieval algorithm. As we all know, the precision-recall curve usually shows a downward trend, and even if the same retrieval method is used to retrieve different retrieval cases, the higher the accuracy rate of the search results, the lower the recall rate will always be. I am curious about this phenomenon, have been trying to understand the truth, but also on the Intern
Topic discussion: What is the difference between php code cache and browser cache? Lt; meta nbsp; http-equiv = "Cache-Control" nbsp; content = "max-age = 60"/ gt; nbsp; add the preceding paragraph to a page, and set the browser page cache to 1 minute ~~ It seems quite good ~ Topic discussion: What is the difference between php code cache and browser cache? Add the preceding paragraph to a page, a
[Discussion] let's talk about the advantages and disadvantages of using stored procedures in php + mysql. I have never seen some open-source systems in projects, and I have never used stored procedures as SQL nbsp; is it necessary to use the stored procedure in the php project; reduces the load on web servers, but increases the load on database servers. for personal understanding, let's talk about this and discuss it together. [
Reddit closed the dark network community, causing a heated discussion among users. reddit community Reddit closed the dark network community, causing a heated discussion among users. As we all know, dark networks are full of weapons, drugs, malware, data intrusion, DDoS services, and fraud services, but they can only be accessed through special means. However, the huge underground market has also spawned co
Through the first two articles"Advanced EJB" in-depth discussion of three kinds of bean (a)--session bean"Advanced EJB" to explore three kinds of Bean (ii)--entity BeanThe first two beans have been introduced, and today we continue to introduce the third type of bean--messagedriven bean.To say Messagedriven beans before you introduce the JMS (Java Message Service), JMS is the Java messaging Services, it is a platform-independent API (application prog
Preliminary discussion on django-demo charade using virtualenv to configure the project to deploy under CENTOS7=======================================2016/1/18# # # #charade is a small game of guessing words.Https://github.com/opera443399/charadePrepare-------1.pip+virtualenv+django::[[email protected]~]#yuminstallpython-pip [[emailprotected]~]#pipinstallvirtualenvwrapper [[emailprotected]~]#mkdir/opt/.virtualenvs/opt/. pyprojects[[emailprotected]~]#e
Demand Change discussion: Reasons for changes in requirements Reasons for changes in requirementsRequirements include business requirements, user requirements, and functional requirements. Business requirement reflects organizational or customer requirements for high-level systems and products, user requirement describes the tasks that users must complete to use the product, functional requirements (functional Requirement) defines the sof
BackgroundPrevious Time Bowen Dicom:dcm4che Toolkit How to compress DCM files (previous) A question was raised:"using the DCM2DCM in the Dcm4che Toolkit to compress and compress DCM files , Change the transfer Syntax in the DCM file, for example by 1.2.840.10008.1.2 (implicit VR Little Endian) into 1.2.840.10008.1.2.4.70 (JPEG LossLess, Non-hierarchical,first_order prediction Process). However, the solution to the problem was not found because it was not known to the relevant image IO classes i
Preliminary discussion on glusterfs-use summary FAQ2015/11/4 Time 17:581. Example of a process for quickly establishing a volume to provide a service "data disk partitioning" If the partition is already mounted, uninstall and delete the existing system first. Yuminstalllvm2xfsprogs-ypvcreate/dev/sdbvgcreatevg0 /dev/sdblvcreate-l100%FREE-nlv01vg0mkfs.xfs-f-i size=512/dev/vg0/lv01mkdir/datacatPreliminary discussion
December 20, 2014 I was honored to participate in the "Software Engineering: Research and Practice" seminar hosted by Fudan University. In the afternoon open space activity, I recommended UML use-case as one of the 6 topics and became the moderator of this topic. This topic was discussed with a number of teachers and industry experts. Finally, as a representative of this topic, I briefed you on the topic of discussion. This article attempts to sort ou
Reprint Please specify the source Thank you: http://blog.csdn.net/vmurder/article/details/42918883Test instructions: Go to the Bzoj and see for yourself.But in short, asking is askingIt means that the rainfall in x years does not exceed Y years, and the rainfall for any y Solving the puzzle: Then the first discretization, and then add the definite year to the line of the tree, a little mess on the past. But,,, the discussion is disgusting!!Detailed
The three masters Zee, desert flying e, and xingcyx have a wonderful discussion about the number of concurrent users and set points, which makes sense. If you are not clear about these two concepts, you must carefully understand them.The story begins with a glimpse of xingcyx:Statement: the following questions and answers are based on my actual work experience and information obtained through various channels. The answers mainly represent my personal
[Conclusion + discussion] php string filtering function applications should first review themselves .. because regular expressions are not enough, the filtering conditions written by myself basically fail... I cannot understand the functions I checked online, and an error occurred when I changed them .... under the guidance of various gods of csdn, I opened a little bit of tricks... links to the original question Post are now releasing functions of va
Discussion on the atomicity of the output content of Error_log function in PHP A few days ago to discuss with colleagues how to ensure that the Error_log output log in a login PHP has a unique identity header, the conclusion is the player account + current time + random number, in our current user volume level conditions should be to meet the demand, of course, this is not the focus of this article. After identifying this simple scenario, I was think
A preliminary discussion of the PHP namespace (Namespace), namespace Namespace Explore the closure [view], and then explore the namespace. For namespaces, the official documentation has been described in detail [view], and I've done a bit of practice and summary here. Namespace one of the most explicit purposes is to solve the problem of duplicate names, PHP does not allow two functions or classes to appear the same name, otherwise it will produce a
Another discussion of the difference between single and double quotation marks in PHP, PHP double quotation marks the difference between the detailed In PHP, the definition of a string can use single quotation marks ", or you can use double quotation marks" ". However, you must use the same single or double quotation marks to define strings, such as: ' Hello World ' and ' Hello World ' are illegal string definitions. What's the difference between a s
The discussion article on interfaces in PHP is reposted from Chongqing PHP. the original address is http://www.php-chongqing.com/index.php/article/107many people ask me. is PHP interface ready for use? When will it be used? Where can I use it? First, let's look at what is an interface? The interface is not a class and is similar to a class. Main PHP interface discussion Article reprinted from Chongqing PHP,
Topic discussion: What is the difference between php code cache and browser cache? Lt; meta nbsp; http-equivCache-Control nbsp; contentmax-age60 gt; nbsp; add the above section to a page, browser page cache is set to 1 minute ~~ It seems quite good ~~ ---- Special Discussion: What is the difference between php code cache and browser cache? Add the preceding paragraph to a page, and set the brows
Description Ultraviolet A panel discussion The ultraviolet online judge team is arranging a panel discussion for the next ACM-ICPC World Finals event in Orlando, Florida. they want that three or four of the contestants take part in the panel and as they have about 300 persons for selecting such a little group, they have decided to put some restricti
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