backlink techniques

Q to exit the mask. The ant line selection area appears. Click blur in the filter. 6. Adjust the radius slider to blur the background. You can see that the character background is gradually virtualized from near to far. 7. In the last step, enlarge the image and use the finger smear tool to improve the local image that has not been virtualized. Final effect: For more video tutorials, please

a.mylink '); // suggested $ (' #myid '); $ (' #footer. MyLink ');Stick to the latest versionThe new version is usually better: more lightweight and more efficient. Obviously, you need to consider the compatibility of the code you want to support. For example, the 2.0 version does not support IE 6/7/8. Discard deprecated methodsIt is important to focus on each new version of the deprecated method and avoid using these methods as much as possible. // bad-Live is obsolete function () { console.lo

given a sequence of 10 integers, it is required to reorder it. Sorting requirements:1. Odd in front, even in the rear;2. Odd numbers are sorted from large to small;3. Even are sorted from small to large. Tip: In setting up two arrays, storing the odd and even numbers in both arrays, and finally outputting the two arrays in the order required, we need to record the elements in the new array as well as the number of elements in the new array. Here's a tip;int n=0; b[i],c[i]if(a[i]%2= =1) , B[++n]

TTFB, average TTLB performance summary report. Application Center Test (ACT) is a test tool that comes with the Enterprise Edition of Visual Studio.NET and is the Web application Testing tool officially supported by Microsoft. It intuitively generates chart results, more functionality than was, but does not have the ability to test multiple clients simultaneously. The performance counters in the server operating system Administrative tools allow you to monitor the server for application perform

you will love Linux more and more.Command first to master the most basic such as: Cd,ls, CP, MV, TAR-ZXVF, TAR-JXVF, Touch, mkdir, service, PS, grep, find, Whereis, whoCommand Many people do not know how to remember, in fact, this first method is: Each command is actually a shorthand for English words, such as LS--->list, cp--->copy, this will be easy to remember, never forget, the second is to often useWhat do 3,linux mainly do?Linux is primarily used as a server, and when using Linux you need

hyperplane are called support vectors.The following content, let me refreshing.To the top, suddenly there is no mess of things, Lin directly said that this is a typical quadratic programming (QP) problem;Typical features: The most optimized expression is two times, that is, the problem is a conventional routine to solve.How to follow the regular routine of QP to engage? Just sort out a few parameters and it's OK. It seems a little silly to see here: What about the kkt stuff? You're not talking

understanding: The purpose of Max here is to magnify the value of the (b,w) violation of the constraint condition infinitely(1) Violation of the constraint: The value after alpha is positive, then Max must be an infinite number of alpha, so through the outer min operation, must filter out(2) In accordance with the constraints: The value after alpha is positive, then Max must be Alpha 0, so that the remainder of Min is the original target function;In general (1) (2), Lagrange multipliers play su

the as contains white space characters after the sentenceDas deletes a sentence, including the white space character after the sentenceReplacement mode:R-Uppercase R commands can use a continuous substitution pattern, use lowercase r to replace only one character, and use the backspace backspace to reply to the substituted character.~ Modify the casing of characters under the cursorI uppercase I begins inserting in the first non-null character of the current lineA moves to the end of the line t

) {\typeof (a) _t=a;\A=b;\b=_t;}This macro can exchange variables of all basic data types (integers, characters, structures, etc.)Applications in the Linux kernel:/*linux-2.6.38.8/include/linux/kernel.h*/#defineMin (x, y) ({typeof(x) _min1 =(x); typeof(y) _min2 =(y); (void) (_min1 = = _min2); _min1_min1: _min2;})#defineMax (x, y) ({typeof(x) _max1 =(x); typeof(y) _max2 =(y); (void) (_max1 = = _max2); _max1> _max2? _MAX1: _MAX2; })The data types of x and Y are obtained by typeof, and then two tem

1. Determine if there is a exists keyword or "??" Operator. will return a Boolean valueUser.name?existsUser.Name?? if user.name?exists> //TO DO if > if user.age??> //TO DO if > 　　 2. Ignore null valuesHypothetical premise: User.Name is null${user.name}, exception${user.name!}, display blank${user.name! ' Vakin '}, if User.Name is not empty, displays the value itself, otherwise Vakin${user.name?default (' Vakin ')}, Ibid.${user.name??? String (User.Name, ' Vaki

; } } } returnarr}//previous backward comparison, different push to new arrayArray.prototype.distinct2 =function () { vararr = This; vartemp = []; for(vari=0; i) { for(varj=i+1; j) { if(Arr[i] = = =Arr[j]) {J= ++i; }} temp.push (Arr[i])}returnTemp}//attributes that cannot be duplicated by using object property namesARRAY.PROTOTYPE.DISTINCT3 =function () { varobj = {}; vararr = This; vartemp = []; for(

step is to carefully examine the toolkit for the areas you need to advance to advanced developers.The source code in this article strive to be simple, only focus on a small problem, most of the code after I test, if the reader encountered problems, please ask me. This article is still in the continuous updating, as the content of this article is more and more rich, the speed of collection items will gradually decline, because a large number of common problems have been included.If the reader is

memory, unlimited computing power, parallel threading execution, and the assumption that code is doomed to rot. Therefore, we must bear in mind that the "memory is not infinite", "Memory access overhead is not balanced, the access time for different storage media is an order of magnitude difference", "our program does not have a dedicated CPU", "on a single-processor computer, parallel programs can only be polled." 3rd, is the choice of the library, the library function is the implementation of

Today by chance to see an article Original address: http://soft.chinabyte.com/database/379/12920379.shtml1. Named slices>>> a = [012345]>>> lastthree = Slice (-3, none)>>> lastthreeslice (-3, none, none)> >> a[lastthree][345]2. zip packaging and Unpacking list>>> a = [1,2,3]>>> B = ['a','b','C']>>> z =Zip (A, b)>>>z[(1,'a'), (2,'b'), (3,'C')]>>>>>> Zip (*z) [(1,2,3), ('a','b','C')]3. Use zip to merge adjacent list items>>> a=[1,2,3,4,5]>>> Zip (* ([ITER (a)]* 2 )) [(12), (34), (56)]>>>>>> Zip (A

1, optimize the SQL select statement, Select only the necessary fields, avoid loop execution of SQL, reduce multiple table links, increase the index, Optimize the table structure and select the appropriate storage engine2, optimize the server, turn off unnecessary processes3, less regular expression, regular expression execution slow, try to use foreach instead of while and for loops4, put more than one picture proportionally in a large picture5, page priority load small traffic things, and the

. With margin-left:0-margin-left:-50% (with left also, both percent values are calculated based on the parent element width) Browser normal mobile (Safari) playback animation will be stuck (may be performance caused)The current adoption of the C scheme to control the lag within the acceptable range (due to the writing cycle animation does not take into account the browser rearrangement caused by the performance problem, it is not used absolute positioning elements to do the test)Application scen

This article describes the PHP array index and key manipulation techniques. Share to everyone for your reference. Specifically as follows: ? 1 2 3 4 5 ? 1 2 3 4 5 ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23-24 I hope this article will help you with your PHP program design.

image processing software. In RAW format, you can also make an impact on imaging after shooting, such as using white balance settings to achieve a certain effect. Small tip: In many camera personality settings, you can set the file format and the storage of the photos to the RAW format +jpeg format. But you have to take into account that it takes up more storage space, and whether the write speed of your memory card will be able to keep up, especially if you are going to have 8

Using digital cameras to shoot portraits has been more than 10 years old, photographers have been familiar with the use of digital cameras, reached the point of perfection. But there are still some problems with using a digital camera to take photos, Of course, these problems may be due to environmental and weather effects caused by the impact of these problems in the latter part of the show. Many photographers may have been photographed on the scene when the sky is not intact under the experi

At present, lamp (Linux + Apache + MySQL + PHP) has developed rapidly in recent years, has become the fact of the Web server standards. In this article, we will introduce the performance optimization techniques for the server based on lamp combination: Accelerate PHP. Apache server optimization, PHP optimization, mysql optimization 1. Use of Eaccelerator We above the introduction of the Apache Server optimization, if you have browsed the Web page o