effective python

[52 Effective ways to write high-quality iOS code] (i) OBJECTIVE-C FoundationReference book: "Effective Objective-c 2.0", "English" Matt GallowaySneak Peek1. Understanding the origins of the Objective-c language2. Introduce as few other header files as possible in the header file of the class3. Multi-use literal syntax, less use of the equivalent method4. Multi-use type constants, less # define preprocessor

[52 Effective ways to write high-quality iOS code] (10) Grand Central Dispatch (GCD)Reference book: "Effective Objective-c 2.0", "English" Matt GallowaySneak Peek41. Multi-use dispatch queue, less use of synchronous lock42. Multi-use GCD, less use Performselector series method43. Mastering the time of GCD and Operation queue44. Perform tasks based on system resource status through the dispatch group mechani

[52 Effective ways to write high-quality iOS code] (iii) messages and run-timeReference book: "Effective Objective-c 2.0", "English" Matt GallowaySneak Peek11. Understanding the role of objc_msgsend12. Understanding the message forwarding mechanism13. Debug "black Box Method" with "Method leveling technology"14. Understanding the purpose of "class object"Directory 52

China's small and medium-sized webmaster most rely on Baidu Alliance to earn advertising costs. Do a good job of the station, through Baidu Alliance Audit, you can put ads.Some AdSense in the alliance backstage see ad bit some display for the new creation, some show is valid. Baidu Alliance advertising Bit "newly created" and "effective" two different states? Theme promotion AD bit created, the background display has a valid, newly created, invalid,

Abstract: Rich content is a website to attract users to browse the basic factors, if from the point of view of the website promotion, the meaning of this sentence can be expressed in another way: to provide a rich content is the effective strategy of website promotion. "Website content promotion strategy" refers to the use of the content of the site itself as a promotional strategy, the essence of the site is the content of the strategy and promotion

Optimization to optimize the site, the ultimate goal is to obtain rankings, the introduction of traffic, resulting in transactions. And to get the rankings, in addition to the content, the effective way is the outside chain. Let us first understand the traditional outside the chain of some means. 1, exchange of outer chain This kind of outer chain is the most effective kind of outer chain, which can be sa

We all want to be influential people. But before we can really be such a person, we could use a marketing method called "influencers Marketing" to let other influential people (such as celebrities, micro-giants, celebrities, etc.) help us with marketing. It turns out that this marketing approach is very effective. I've seen a lot of articles and e-books on impact marketing, which cover a lot of basic information about the impact, but the operability

Both men and women focus on women's breasts. Women's success begins with their breasts. If there are more talented women or women with angel faces without a pair of charming breasts, they will look pretty inadequate. There are also a lot of voices from retro people who say "the times are regressing", "the times when culture is missing", and "vulgar. I cannot disagree with these voices. Who do not like flowers? Is it wrong to pursue your own beauty after decades of life? Is breast enhancement rea

Author: sodimethyl the source of this article: http://blog.csdn.net/sodmenote: This article can be copied and reproduced without the consent of the author, but any reference to this article should be retained by the author of the first three lines of the article, the source and. thank you. note: "Effective Communication" refers to "effective. This is a team sentiment about "how to communicate effectively".

[Reading Notes-2] effective managers (Peter Drucker) Source: http://blog.csdn.net/KongDong Author: fasiondog What is the habit of mastering your own time? 1. record the time and analyze and diagnose frequently2. Manage time to reduce unnecessary waste3. unified arrangement of free time All effective managers understand that time control and management cannot be achieved once and for all. It is necessary to

At the outset.This week no longer published on the data structure of the blog, want to take half a month to see the book to do some summary, finishing, the first is "effective C + +". The first time to read this book is more than a year ago, preparing for the examination of postgraduate examinations, and then continued, this month again to see is the third time, have not seen the "deep Exploration of C + + object Model", so some places are not very th

, But what we can do is to get the latest adjustment results in time after the adjustment begins, so as to make a response and continue to achieve good optimization results. The recent changes in Baidu algorithm involves the important content of the site outside the chain of evaluation, webmaster will find a phenomenon should be in the past the number of the site outside the chain in the last one months or so occurred more obvious downward, here is for the general site, the site's

In order to facilitate understanding, before beginning to talk about how to submit the issue of effective defects, we would like to talk about the "spit" point of view. The word "spit" means to find a loophole or keyword in the other's language or behavior as the cut-in point, and send out the emotion or question with the meaning of ridicule. Mandarin is equivalent to the "捧哏" of crosstalk. So why are we talking about testing how to submit an

It is a kind of pride for women to have a perfect chest, but it is a tragedy to fall in love with male obsessed with female big breasts. As a person grows older, his breasts may become smaller, but male obsessed with female breasts may not change his "Attach" as your breasts become smaller ". What breast enhancement products are effective? Are you still worried about your airport? Is there still no way to feel confident? 『Yizhijiamei cream"Makes You F

things to share to everyone. These things seem to be nothing, but really to do, will find the value of it, this is how I feel.2 Review effective C + +The recent cross-platform development, found a problem, some things have seen, can only remember a general, need to re-check the information, it is very bad habit. So according to the way of mind map memory, began to review the previous knowledge, made into mind map.The first review is "effectivec++", t

In fact, this is not only happening in the community-type site, in all the Web site forums exist this now. I have noticed a forum before the user statistics, the number of registered more than 40,000, but the actual post users only 10,000, the ratio of 25%. The 10,000 users of this post are screened for occasional postings and some duplicate registered IDs (the majority of the horse clips), and the remaining active users are valid users of the site. In other words, a large forum with a registere