stackoverflow

your own drawing. Uigraphicsbeginimagecontextwithoptions creates a context in which you can use the paint feature. Suppose you want to get the context of the bitmap, try Uigraphicsgetimagefromcurrentimagecontext.Qrect,qpoint is cgrect equivalent, Cgpoint cgsize.Helps you debug, check Nsstringfromcgrect and its friends.For widgets, note that the NS * UI classes correspond to the OS X and UI * classes corresponding to iOS.4. MiscWhen I developed QT, I used Qtcreator, my co-founder Oliver was a fa

Basically think about how to write, and also in this week began to take time to cash before the notice.First of all, if we enter ASIHTTPRequest and nsurlconnection in Baidu, we can immediately find the CSDN gnicky article, This predecessor introduced the reason why we need to choose asihttprequest instead of nsurlconnection. This predecessor actually took StackOverflow inside the article to take out a bit (actually on the first paragraph, after two pa

"). Val ()) + "pi=" +index, success:function (data) { $ ("#content"). HTML (data); }, error: function (data) { alert ("Connection timed out, try again later!");} } PS: I'm flipping through the StackOverflow, hoping for progress, but maybe it will be quicker to get answers. Reply content: PHP Novice, in the writing crawler practiced hand, in general, tracking links is not difficult, but if it is dynamic page is h

things don't follow my original plan. There were times when I was in the middle of a project when I was in trouble and had to find blogs and related articles to ask for help. Then I found out that my whole method was completely wrong, but it was easier to start from scratch. So in the long run, doing more research at the start of the project will save time.10. There are good people on stackoverflow who may be able to help me .I have not counted how m

Reproduced in: http://blog.csdn.net/xiahouzuoxin/article/details/19752603Markdown is a network writing language whose goal is to make it easy to read and write, and to be compatible with the HTML language. The popularity of Markdown benefited from the code blocks of GitHub and Stackoverflow,stackoverflow, as well as the Readme.md file format on GitHub, through markdown performance. From here you can see the

app support want to together, it is not difficult, If the demand is not high,。 For a very simple example, animate Raw developed several months ago ( / http oneechan.moe/ ), is currently in the state of great open Source no one tube (. (due to lack of money) a server running both front and back side + mainstream ANDROIDAMP;WINDOWS10 support, all used by. Net. . NET has a good, is that you have the framework, then the rest is realized. The first is the server backend, the back end runs an automa

Before encountering a problem, what is the difference between semaphores and mutexes? Forget to think for a moment, today just think of this problem, read and StackOverflow, understand and do simple finishingfirst, the definitionmutexes, which are used to serialize access to a portion of reentrant code that cannot be executed concurrently by multiple threadsSemaphore, semaphore, limit the number of concurrent users for shared resources to the maximum

of the benefits of this recognition system. This is an optional group. The new champions were featured and voted on by the existing champions. In general, more than 10 votes are required before a winner is selected, and an objection will veto the proposal. The case of a recommendation will be considered, but generally will not get enough support. Programmers friends often ask me how I became Java champion programmer, "very simple" I said, "As long as I have to publish 200 Java-related articles,

If you want to do anything, you must first sharpen your tools. In the world of software development and testing, the correct use of tools greatly improves efficiency! I have used many tools in my work and recently learned many new tools: Ci, git, and soupui. Summarize your experiences with the tool: 1. There is no best tool, but only the tool that best suits you. This article tells us to understand your own problems or needs before learning new tools. What problems do you want to solve first?

, imitating the color of the page you like. If you encounter an unresolved problem, test your code on the "jsfiddle.com" website and post the questions to StackOverflow for answers.6. Go to the Lynda.com website to see some novice videos about jquery. Introducing this technique will make your page interaction very simple.7. Add jquery to the index.html file, which will make your page look like a real Web page, and you can interact with it in a virtual

Similar to Rubychina, a targeted community is available for everyone to learn. My community here is different from the SD and StackOverflow of these integrated types, you need to ask questions others to give answers. J2ee?c++, do you have a similar community or forum? This issue has been turned off because of an issue where the exact result cannot be obtained Reply content: Similar to Rubychina, a targeted community is available for everyone to

; location = /50x.html { root /usr/share/nginx/html; } location ~ \.php$ { try_files $uri =404; fastcgi_split_path_info ^(.+\.php)(/.+)$; fastcgi_pass unix:/var/run/php5-fpm.sock; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params; }} I saw the same problem in StackOverflow, so I tried to modify my Nginx config file to add: confi

='+返回的sessionid +‘；domain=a.com；path=’test/ After doing this, refresh the page and find that the cookie cannot be set (it may be chrome for security reasons). I'm sure the server side is set up, that is, here with Ajax can not set cookies, and then check the Web, said Ajax could set the cookie itself I did it. $http({ headers:{ cookie:'PHPSESSID=192fac5eb0b9970dfedbb20773013e91' }, xhrFields: { withCredentials

In Php.net see a version, but there are a lot of downvotes, do not know why. if(!function_exists('hash_equals')) { function hash_equals($str1, $str2) { if(strlen($str1) != strlen($str2)) { return false; } else { $res = $str1 ^ $str2; $ret = 0; for($i = strlen($res) - 1; $i >= 0; $i--) $ret |= ord($res[$i]); return !$ret; } }} If this function is really bad, please explain why, it is best to give alternative solutions, thank you. From

There are installation files in the DMG format of mysql in mac, but it is not depressing to uninstall the files. I searched the internet and found that the method was manually deleted. Many articles describe that the files to be deleted are incomplete. later I found an omission in stackoverflow, so I uninstalled mysql. There are installation files in the DMG format of mysql in mac, but they are not uninstalled ...... Very depressing. I searched the

Talking about memory usage of Python objects, talking about memory usage of python objects Everything is an object In Python, everything is an object, including all types of constants and variables, integer, Boolean, and even functions. See a problem in stackoverflow: everything an object in python like ruby. The code can be verified: # Everythin in python is object def fuction (): return print isinstance (True, object) print isinstance (0, object) pr

, symfony 2, twig, PIRUM. Question2answer [PHP open source, other] Question2answer is a PHP-based Q A system similar to the stackoverflow website. Easy to install, easy to modify themes through CSS, and quick integration of search engines. Credit-based level management. Q A tags. You can add comments to questions and comments. Simple and secure management interface. Provides user account management. Supports single-point logon. Php q A system

This is a question on the famous Q A website --Stackoverflow. I have also seen this question about JavaScript before, but I have no in-depth understanding. Today I have seen the answer on stackoverflow. It feels good. I will write it down and share it with you. The problem is described as follows: 1Console. Log (10.. Tostring ());//102 3Console. Log (10. Tostring ());//Syntaxerror: Unexpected token i

The Django framework only provides static file services in development mode. When I enable the debug mode, the built-in Django server provides the static file service, so there is no problem with CSS and other file access, but after the debug mode is disabled, django does not provide static file services. Think about this. This is in line with Django's philosophy: The standard servers are very good at this part. Let the servers do it! OK, the solution to the problem also appeared. The first thi

This is the 1st pattern I study. In here, I will mark down my doubts, Java study, design principles, design pattern. There are3 design principlesIn this pattern: 1. Identify the aspects of your application that vary and separate them from what stays the same (codeproject) 2. Program to an interface, not an implementation (stackoverflow) 3. Favor composition over inheritance (stackoverflow) Java study