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When using Localstorage, we give a key a value that can be a normal string or an object, and if it is a string, we need to convert it to a JSON string by json.stringify.But when we modify this JSON string, it is another string into the object, so if we want to get when we do not need to use json.parse, if it is a string, we need to use json.parse, is actually a string, but some need to parse, and some do not need to parse.var json={"name": ' 1 ', Age: ' 1 '};localstorage.setitem (' 1 '//[Object

Take a look at the first question:Why is my input obscured when I get the focus.Workaround:Source:　　Always so willful, never explain why, why? This is last year's code, so I also forgot ...Take a look at the second question:Today a long-resigned front-end sister asked me one in iOS Safari browser why my CSS for position:fixed's header was actually dried by the soft keyboard.So I spent nearly half an hour, borrowed a legendary 5s began the experiment.So, please look at the source code:　　　　　　Becau

Always prompt me for boot partition space is not enough,What to doDelete the original unused kernel chant, manual to do.1. View the currently used kernel version number. Enter Uname-a to view.Uname-a2. Delete the old kernel.Toggle Root:suInput command: Apt-get remove linux-Then wait for it to list all cores, select an input, enter, wait for uninstallation, there may be a hint in the middle [y/n].3. I have succeeded ...4. Check/boot partition capacity after uninstalling the old kernel.sudo du-m/b

textDisadvantagesSummarize:Machine language: The advantage is the lowest level, the fastest, the disadvantage is the most complex, the least development efficiencyAssembly language: The advantage is the lower level, the fastest, the disadvantage is complex, the development efficiency is lowestAdvanced Language:　　The compiler language executes fast, does not depend on the language environment to run, the cross platform differenceInterpreted cross-platform good, a code, used everywhere, the disad

allows programmers to use both object-oriented and process-oriented programming patterns in the same program.How to avoid: Under normal circumstances, do not go to Adobe, Google or the game area to work. 2. PHP Reason for listing: a large number of functions have inconsistent naming conventions, security vulnerabilities, unable to native Unicode, and often mixed in some demo code (such as HTML, CSS).How to avoid this: if you work in the Web, it's hard to avoid. But for starters, you can stay

I Hate It Time limit:9000/3000 MS (java/others) Memory limit:32768/32768 K (java/others)Total submission (s): 83692 accepted Submission (s): 32139Problem Description Many schools have a more popular habit. Teachers like to ask, from So-and-so to So-and-so, the highest score is how much.This makes many students very disgusted.Whether you like it or not, what you need to do now is to follow the teacher's request, write a program, simulate the teacher's

to left in order to gradually split. If you have an equal sign, remember that the meaning of the symbol around the equal sign will solve most of the problems. Some of the above points are slightly improved: Important one: References and Const define objects must be initialized, and pointers do not have to. Point two: A reference to a definition in which all operations are performed on the object to which it is bound. The pointer is actually the address of an object, you can access the object th

  Sorry, it's been a long time since we finally got into trouble.   It was July 22, July 26, Wednesday, and it rained.I saw the Tangshan earthquake in the afternoon, and never talked about depth or not, it always reminded me of tears for two and a

What is the relationship between typography and content? The former is the latter's form of expression, but it often determines the attitude of the reader to the content. A few years ago, when the "user experience" was not so popular, someone began

Description Single!Still single.Brother Jill is still single.DS-Class Code The brother is still single.So, he hated Valentine's Day most of his life, whether it was 214 or 77, he hated it. 　　 Jill observed 214 and 77 of these two numbers, found:2+1+4

AC Code: #include #include #include using namespace std; const int N = 200005; struct node{int l,r,maxn;} tree[n>1; Build (M>1; if (x >1; if (R Mid) return query ((m

Install avast! Antivirus is mainly because it is free and you do not want to use anti-virus software version D. At that time, I saw that the introduction could block 3721, and I didn't care too much. I was also bored with 3721, but I still didn't

Problem description many schools have a popular habit. Teachers like to ask, from xx to xx, what is the highest score. This made many students very disgusted. Whether you like it or not, what you need to do now is to write a program to simulate the

Idea: The same as the thought I posted on the previous summation process, it is only now the maximum value. AC code: # Include # include # include # include # include using namespace STD; inline int max (int A, int B) {return A> B? A: B;}

This is not the sum of squares, but the sum of squares. Therefore, it cannot be as brainless as before in memory. First, let's look at the simple situation. If it's a sum, what should we do. Assume that I have searched for 3rd bits and a total of

Many schools have a popular habit. Teachers like to ask, from xx to xx, what is the highest score. This made many students very disgusted. Whether you like it or not, what you need to do now is to write a program to simulate the instructor's

Finally, I came to the "Battlefield" moment and went back and forth to Beijing for seven days. It was just for today's five hours... Tiangong is also regarded as beautiful. Compared with the previous two days, the temperature has increased a lot. I

Recently I heard about a controversial issue concerning the implementation of ERP projects. Let's talk about the background of this issue first. An enterprise is preparing to implement an ERP system. After a series of research and selection

The principle is the combination of WindowManager Dialog and Animation. Here we will share a very classic, practical and simple Third-Party UI control library for Android: BottomView (this is also used by Mi UI of Xiaomi) Functions: You can

My friend submitted my resume for me. By the way, I felt that my resume was not concise enough. I deleted several project experiences and simplified the introduction of all projects. What's worse, I changed my undergraduate school in a confused way,