reset

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I tried to undo my commit in git. Is it dangerous to use git reset --hard HEAD~1 ? What is the difference between different options for git reset ? Is there also any other way to undo a commit by Sourcetree Gui? 回答1: git reset does know five "modes": soft, mixed, hard, merge and keep. I will discuss the first three, since those are the ones you usually use. soft When using git reset --soft HEAD~1 you will undo the last commit, but the file changes will stay in your working tree. Also the changes will stay on your index, so following with a

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: How does Backbone reset event works? As far as I understand Remove all models from collection Add newly "fetched" models to collection Fires reset event In my case each model draw something on SVG so I should call remove function before removing model from collection. Which event is triggered when model is removed from collection? 回答1: As @Paul noted, there is no predefined event fired before a reset . However, you can provide your own by overriding the reset method on your collection. For example, var SVGCollection = Backbone.Collection

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: This is a basic question, but I did not find a previous post about it. The title of the following question sounds like it might be the same question as mine, but the question itself does not match the title: is it better to use shared_ptr.reset or operator =? I am confused about the purpose of the reset() member function of std::shared_ptr : what does it contribute in addition to the assignment operator? To be concrete, given the definition: auto p = std::make_shared<int>(1); Are the following two lines equivalent: p = std::make_shared<int>

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: net website, i would like to implement forget password. I am using following steps Form having input box for login Id and email Id and CAPTCHA when user enter details and submit, at backend after validation new password is generated and replaced old password at database. New passowrd is send to user at email. Please help me whether i am doing right or not? Is there any other secure mechanism for the same? [EDIT] Thanks, i got your reply. Really this is a secure mechanism. But here i have few doubt What message should i shown to user when he

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a condition that a StringBuilder keeps storing lines matching a pattern from a large flat file (100's of MB). However after reaching a condition I write the content of the StringBuilder varialble to a textfile. Now I wonder if I should use the same variable by resetting the object -> stringBuilder.delete(0,stringBuilder.length()) OR stringBuilder=new StringBuilder(); Please suggest which would do you think is better as far as both performance and OOM issues are concerned. 回答1: I think StringBuilder#delete(start, end) is still

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have a horizontal UICollectionView which works fine and scrolls. When I tap an item I update my data and call reloadData . This works and the new data is displayed in the UICollectionView . The problem is the scroll position doesn't change and it is still viewing the last place. I want to reset the scrolling to the top (Or left in my case). How can I do this? 回答1: You can use this method to scroll to any item you want: - ( void ) scrollToItemAtIndexPath :( NSIndexPath *) indexPath atScrollPosition :(

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I was in the in the process of singing my apk for my release and i forgot keystorepassword so i clicked reset. then I got this error. Error:Execution failed for task ':app:packageRelease'. com.android.ide.common.signing.KeytoolException: Failed to read key "app name" key from store "C:\keystore\keystore.jks": Keystore was tampered with, or password was incorrect What is my best way to fix this? 回答1: If you forgot your password, there is no way to fix this. If your application is not published to the playstore, you are free to change the sign

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have an object that cannot be copied, a NetGame because it has a stringstream in it. I have it declared in my class as: NetGame m_game ; Later in the code, I just want to reset it, which should not need to copy anything. void ServerTable :: setActive ( bool active ) { //reset for now if ( m_active && ! active ) { m_inProgress = false ; m_game = NetGame (); } m_active = active ; } What can I do to do this without heap reallocation each time? I could make it a pointer and simply new, delete each time but that shouldn't be necessary

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm trying to scrape a page using python The problem is, I keep getting Errno54 Connection reset by peer. The error comes when I run this code - urllib2.urlopen("http://www.bkstr.com/webapp/wcs/stores/servlet/CourseMaterialsResultsView?catalogId=10001&categoryId=9604&storeId=10161&langId=-1&programId=562&termId=100020629&divisionDisplayName=Stanford&departmentDisplayName=ILAC&courseDisplayName=126&sectionDisplayName=01&demoKey=d&purpose=browse") this happens for all the urls on this pag- what is the issue? 回答1: $> telnet www.bkstr.com 80

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm using typescript to reset a form but it's not working or typescript compiler (1.0.3 version) doesn't recognize reset() function. Compiler gives Error Build: Interface 'HTMLFormElement' incorrectly extends interface 'HTMLElement'. C:\Program Files (x86)\Microsoft SDKs\TypeScript\1.4\lib.d.ts This is the typescript code var resetForm =document.getElementById(dirtyFormID); resetForm.reset(); When I copied above code to js file, it's working perfectly. What's the reason for it? 回答1: Since the function getElementById returns a more generic