polycom 2w

defeat returned. The basic reason is that the original design document requirements of a single "Communication Machine" and "terminal" (note a) between the concurrent amount to reach more than 2W of the connection communication, and the actual running concurrency can only reach 2,600 a difference of nearly 10 times times. After code tuning, extended JVM memory and so on, but because the base data difference is too large, the optimization results achi

Original: http://hxraid.javaeye.com/blog/646300 Let's first summarize the performance of the 10 methods in the Sort Structure topic 1-4 ((n-keyword sequence): 1, O (n^2) level of the common sorting algorithm, we use C + + random function of rand () generated by the random number of sorting, and calculate time consuming. Which randomly generated 1w,3w,5w ... 19W (increment 2W) A total of 10 groups of rows to be ordered for testing. The time-consu

Through the Google search iframe adaptive height, the results of more than 5W, search iframe highly adaptive, the results of 2W more than one.I turned over the front of the dozens of, planed to a large number of reprint function Setcwinheight (Frameid) {var Iframeid = window.document.getElementById (Frameid); IFRAME IDif (document.getElementById) {if (Iframeid !window.opera) {if (iframeid.contentdocument iframeid.contentDocument.body.offsetHeight

data in the database, the second scenario is used in the program. 5, using Curl_multi to achieve multi-threaded crawl page Just start a single process and a single curl to crawl data, speed is very slow, hanging machine climbed a night can only catch 2W of data, and then think of can enter the new user page Curl request a one-time request multiple users, then found Curl_multi this good thing. Curl_multi Such functions can request multiple URLs at t

highly-radioactive which. Keep the mass, let the station never fall ~ But how long will it last? If the site rankings do not come up? Adhere to a few months or a year or so, when the domain name expires also does not renew the fee. Like this, how many people think that SEO is a long-term and stable access to income? SEO, just a means. As an integral part of the entire Web site. We do site, should first SEO after the site to SEO to assist the site. And can not be SEO to lead the site. A pu

Strategy | issues Fundamental network known as the third generation of the Internet, playing the concept It's the word.First, open the root network homepageYou can see that the fundamental web is made up of a relatively independent circle.According to Lou General, each circle can be "privatized"In other words, you can buy a circle by paying the formWithin the circle of 100 years of ownership, income and the right to XXX100 Years!Can a fundamental network exist for 100 years? What if we're screwe

article is high, content is full, and the article can appropriately contain our hospital plastic related projects. For example, some of our new projects and so on. For example, I recently focused on getting my optimized site qq:1292540820, focusing on our website highlighting it. This is for the website to collect the question, included in the number of 2W, this number for our site, the site is built in 2009, the number of early results is not very

Taobao, now monthly income to 2000 already is very good situation, and the analysis of industry dynamic friends rely on the advantages of the site, with the industry companies to engage in business, monthly income of 2W, relaxed incomparable, now is more towards the goal of further development. Is it a little bit of a revelation? You want to know more about how to do it? Have you already pointed out the direction? e Era SEO stuffy sound to make a l

based on the keyword competitive procedures for a reasonable assessment. The study of key words should be done from three aspects, the first to see how the current keyword ranking, this is the most basic steps, I believe I do not have to repeat, as long as the other party's main keyword ranking is also ideal, then in this degree optimization problem is not, the second is to see how Baidu Index, which is the most direct experience of competition, The price of Index 100 and index 1W is obviously

not believe that your website or not?! Of course, for some fresh ideas, we should not be too eager to deny, to share the discussion with others, to find the core of the point of view, the appropriate argument to determine the vitality of this view. You can only do SEO, there is no other way out To say a word of conscience, a lot of webmaster performance is not as strong as they say, once the site was K, the sad sound everywhere, like the end of the world. In fact, do not need to do so, like a

creating threads and recycling of resources, and eventually even appear downtime. After that, will be a single put to the HBase into a multiple records to HBase, that is, batch submission, while limiting the frequency of submission within a second. Finally successfully written. As the HBase cluster has only three machines (a master,2 slave), after the above optimization, the write speed is basically maintained in the 1W-2W Bar/sec level, basically me

has a high and low, the evasive, perhaps in a specific field to achieve success! In fact, to do the station only focus, adhere to, in the station to experience the hundred Taste of life! My point of view: 4 months I have insisted on collecting updates around 12:30 every day! ---this is persistence. Service a specific area of the group, the group will be infected extended open, time can prove everything! --that's the focus. The content provided is not necessarily the latest, but it is the mo

important is the method, the direction of the big way to understand, and then go for your station to build back chain is the question of time, Perseverance is the victory, the "left" is the king! But miracle think Seoer is also not anyone can do, Seoer is not the legendary what "network migrant Workers" Seoer is a need to use their brains + learning power + continuous power of things, not to be made overnight, haste, must be interested to be able to do, So suggest that do SEO is suffering or wa

/10 r (a) = 8/100 R (b) = 7/100 r (A) = 2/5 R (b) = 3/5 r (a) = 2/100 R (b) = 3/100 Question 3 assume the SA Me scenario as in question 1. What is the average precision of both systems? AP (a) = 3/10 ap (b) = 9/20 ap (a) = 2/100 ap (b) = 3/250 ap (a) = 2/5 ap (b) = 6/25 ap (a) = 2/10 ap (b) = 3/25 question 4 Le T W 1, W 2, and W 3 represent three words in the dictionary of a inverted index. Suppose we have the following document frequency distribution: Word Document Frequency W1 1 W2 5 W3 10

, classified information, publishing company introduction, because in terms of volume and writing (basically the same text) did not control well. Above two points, probably this is the reason of K, here I remind you, in fact, before being k more or less some signs, the way of expression is more obvious is the snapshot stranded and IIS log. At the beginning of August, the company's website appeared, the snapshot of serious detention situation, obviously every day has updated, but the home page s

of the day before yesterday was pulled out. Then a lot of people's normal response is to show a longer job by increasing the number of jobs that are displayed by default on the Jobhistory page. This method is simple and convenient, by changing the following configuration item and restarting Jobhistory, you can do it immediately: This default value is to display 2w, we must not think that this value is very large, when your cluster 1 days to run t

. Unable to send data around the Lin master node. ---------------------------------Ornate Split Line----------------------------------------------------------- For the difficulty 1, now some tools can do data display, but the price on the sky, such as Kvaser LIN hardware 3K start, software 2W start. Basically beyond the development costs of general projects. But the cost is only on one hand, as long as there is demand for more expensive tools to buy.

experience can be more useful for future development. In the north of the extensive software work on the employment side is very broad, wages are also very high. But many students still want to escape from the North Canton, the other cities of the employment of the software area may not go northward wide and broad, there may be no job to find the situation. So we simply analyze the work of the software in other cities. So the students who fled to the north can consider to Hangzhou, Chengdu

the Nyquist theorem and the re-understanding of Shannon's theorem @ (computer network) About the code element, first review the concept: http://blog.csdn.net/u011240016/article/details/53333682 Nyquist theorem Under ideal low-pass conditions – no noise, limited bandwidth channels, and a limit code element rate of 2W baud.W is the channel bandwidth, in Hz. The number of discrete states for each code element is expressed in V, then: Limit transfer rate

changes, we can do group chat on our own!!! HAHAHA!!! [Database Technology] another discussion on the storage of RDBMS in tree-shaped data# Always, NSM is a very good design. Using this tree structure to store quirks is a misleading idea, just to notice that the blogger is consciously trying to avoid repeating the name-calling blogger at the time of the quirk call, while not saying that I am a phone person. I and xxx is to spend 2W of friendship, tak