();} else { y ();}Actually, it's the function self-tuning.function X () {Console.log (' x ')};function y () {console.log (' y ')};let z = 3; (z==3?x:y) ();9. How to gracefully represent a large numberIn JavaScript, there's a shorthand for a number, and maybe you're ignoring it. 1e7represents 10000000.Before simplifying: 10000 ; i++) {Le7 ..... ..... ..... ........................... ..... ..... ..... ..... .............. ........... (Naughty AH) 1e7 ; i++) {What do you mean, four-odd kinky
25 tips and tricks for enhancing iOS app performance-IntermediateTags: iOS performance optimized memory management2013-12-13 10:55 738 people read comments (0) favorite reports Classification:iphone Development Advanced SeriesThis article collects 25 tips and tricks for improving program performance into 3 different levels: Beginner, intermediate, and advanced. You can also click to view the introductory
25 Tips and tricks for enhancing the performance of iOS Apps (Advanced) (1) 2013-04-16 14:56 broken ship House beyondvincentfont Size:T | T When developing an iOS application, it is critical that your program has good performance. This is also what users expect, if your program runs slow or slow, will incur the user's bad comment. However, due to the limitations of iOS devices, sometimes you want to get goodAD: Network + Offline Salon | Mobile app Mo
25 tips and tricks for enhancing the performance of iOS apps (beginner)Tags: iOS memory management performance optimization2013-12-13 10:53 916 people read Comments (0) favorite reports Classification:iphone Development Advanced SeriesWhen developing an iOS application, it is critical that your program has good performance. This is also what users expect, if your program runs slow or slow, will incur the user's bad comment. However, due to the limi
25 Tips and tricks for enhancing the performance of iOS Apps (intermediate) (2) 2013-04-16 14:42 broken ship House beyondvincentfont Size:T | T This article collects 25 tips and tricks for improving program performance into 3 different levels: Beginner, intermediate, and advanced. You can also click to view the introductory article.AD: Network + Offline Salon | Mobile app Mode innovation: give you a reason
three: Verify, enter Loe, press and hold alt+/, self-generated such as the following see the code, and the cursor is still thereVery quick to have wood there. No longer need to debug the output of a sentence log for half a day, and also with the function of the call stack Oh.Previous article, Eclipse Usage tips and tricks 26: Talking about shortcut keys:http://blog.csdn.net/maybe_windleave/article/details/24058223Next article, Eclipse usage tips and
In the previous article, we described how to automate batch generation of get and set functions. This method is generally used after declaring the data field of the class, which is more convenient and quick. Here are a few more ways to automatically generate the Get and set functions.Step one: Press ctrl+1 in the declared data field:Step Two: Click the last option of the Create getter and setter, click OK in the popup dialog box:In the introduction of another method:Step one: After declaring the
[CSS advanced] box-shadow and filter: detailed descriptions of drop-shadow and their tricks, and boxshadow
Box-shadow must be very common in front-end CSS writing. In addition to its conventional usage, box-shadow still has many unknown tricks.
If you like the markdown version, click here.
Box-shadow General Usage
When it comes to box-shadow, the first thing that comes to mind is that it can generate shadow
[tableView.pullToRefreshViewstopAnimating]whendone}position:SVPullToRefreshPositionBottom];
How to change the color of the small tick of the cell in TableView to another color?
1
_mTableView.tintColor=[UIColorredColor];
Originally my statusbar is lightcontent, result with Uiimagepickercontroller will cause my statusbar style to turn black, how to do?
1234
-(void)navigationController:(UINavigationController*)navigationControllerwillS
This article provides you with 12 tips and tricks for the sublime text editor, digging deeper into this seemingly concise code editor, hidden behind the endless possibilities of implementing various advanced features.1) SelectHere are some shortcut keys for sublime text selection:
Command + DSelect a word
Command + LSelect a row
Command + ASelect AllCtrl + Command + M ' Check all the contents in parentheses (very useful when writing C
03 March 2009
Android layout tricks #3: optimize by merging
In the previous installmentAndroid layout tricks, I showed youHow to UseTag in XML layout to reuse and share your layout code. I also mentionedAnd it's now time to learn how to use it.
TheWas created for the purpose of optimizing Android layouts by grouping the number of levels in view trees. it's easier to understand the problem this tag solves by
Introduction
Debugging is a major part of the development lifecycle. sometimes challenging, sometimes puzzling, sometimes annoying, one for sure-it is unavoidable for any not-so-trivial program. the progress of debugging tools over the last years has made includebuggingTasks much easier and less time-consuming.
This article summarizes ten debugging tricks and techniques that can save you a lot of time when using Visual Studio.
1. Hover mouse to evalua
Hdu 5294 Tricks Device Shortest Path + maximum stream, hdu5294Tricks Device
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)
Problem DescriptionInnocent Wu follows Dumb Zhang into a specific ent tomb. innocent Wu's at the entrance of the tomb while Dumb Zhang's at the end of it. the tomb is made up of specified chambers, the total number is N. and there are M channels connecting the chambers. innocent Wu wants to cat
Vi tips and tricks: 10 amazing commands
When using the vi Editor-whether it's a first-time user or experienced user-most people tend to only master the Core Command set and these commands can execute the most common functions: navigate or save the file; insert, update, delete, or search for data; exit but do not save the modification.
However, the vi editor is extremely powerful with rich features and functions. Even after using vi for years, you may
Scripting ideas and their simple tricks http://www.apelearn.com/bbs/forum.php?mod=viewthreadtid=7203fromuid=4587 I share the knowledge points with a simple ping script. first show the effect of this script I first put the script that I learned before Linux before the script is sent out to do a comparison of the final parsing of each knowledge point----------------------------------------- #! /bin/bash## look exist ipfor sum in ' seq 0 255 ' do ips
reading : What are the sexual skills? Sexual pleasure stems from the two of people with tacit cooperation, full body and mind blend, sufficient stimulation and tease, there is also a force of foreplay skills. We have to know that foreplay is the basis for igniting a sexual flame, and its quality is determined throughout ...What are the sexual skills? Sexual pleasure stems from two of people with tacit cooperation, full body and mind blend, sufficient stimulation and tease, there is also a force
There are a few tricks that you will encounter in your daily learning work. Convenient for you to check.Exchange A[i] and A[j] values.A[i] = A[i] ^ a[j];A[J] = A[i] ^ a[j];A[i] = A[i] ^ a[j];Using XOR will speed up because it is a bitwise operation. And does not require intermediate quantities .But one bug is that if the value of A[i] + a[j] overflows , the program will go wrong.This article is from the "Do Your best" blog, so be sure to keep this sou
because the line spacing is not appropriate, only need to change the line spacing to be able to change the single spacing to multiple spacing, and the elimination of grid alignment.The third trick: Insert the formula and then the distance becomes larger.Editing in the document, sometimes found in the text after inserting formulas, the text of the line spacing is big, the layout is not good enough.Talent Weapon: This can directly adjust the size of the formula, but the symptoms do not cure. The
in English. Then do a preview of these questions before you start learning. Do you think it is particularly difficult to have one or several questions? If so, devote more time and energy to learning about the corresponding part of the book. Source: www.examda.com Three tricks: Hurry up and prepare for the examTaking an important exam such as TOEIC is like facing a challenge in your life. You have to do a lot of training to prepare for the exam, and
This article provides you with 12 tips and tricks for the sublime text editor, digging deeper into this seemingly concise code editor, hidden behind the endless possibilities of implementing various advanced features.1) SelectHere are some shortcut keys for sublime text selection:
Command + DSelect a word
Command + LSelect a row
Command + ASelect AllCtrl + Command + M ' Check all the contents in parentheses (very useful when writing C
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