recover

问题 I have a large number of files in a .tar.gz archive. Checking the file type with the command file SMS.tar.gz gives the response gzip compressed data - deflate method , max compression When I try to extract the archive with gunzip, after a delay I receive the message gunzip: SMS.tar.gz: unexpected end of file Is there any way to recover even part of the archive? 回答1: Are you sure that it is a gzip file? I would first run 'file SMS.tar.gz' to validate that. Then I would read the The gzip

问题 It often happens to me that I want to clear the current output window by using the context menu, but instead of hitting the Clear entry, I accidently hit the Close entry (which is directly below Clear ). How can I get that output window back!? Via Window/Output/Output I only get the container tab for all output windows. How can I reopen the output window of a currently running application? 回答1: In the right bottom edge there are information about NetBeans updates. Left to it, there's the

问题 I have a two-member replica set, I accidentally removed all documents in an collection, I am not sure how I did this, but it's gone. Is it possible to get all the data back? 回答1: Unless you have a backup (always recommended for just this type of thing), or one of the replicas is using slavedelay, then I am afraid the removal of the records is final. You might have been able to force a shutdown in time to save the data on-disk if you killed the process before the next fsync to disk (similarly

问题 I couldn't find any info about a possibility of action I need. I am using @Retryable annotation with @Recover handler method. Smth like this: @Retryable(value = {Exception.class}, maxAttempts = 5, backoff = @Backoff(delay = 10000)) public void update(Integer id) { execute(id); } @Recover public void recover(Exception ex) { logger.error("Error when updating object with id {}", id); } The problem is that I don't know, how to pass my parameter "id" to recover() method. Any ideas? Thanks in

问题 In my application I use connection to Oracle, when connection lost and I try to re-connect I receive exception: java.sql.SQLException: Io exception: Broken pipe at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:124) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:161) at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:273) at oracle.jdbc.driver.T4CStatement.fetch(T4CStatement.java:540) at oracle.jdbc.driver

问题 I want to make backup and restore for the database in my app, so that when the users delete the application and reinstall it again they can recover their data. What is the best way to do that in Android Studio? 回答1: There are several types available in back up and restore to your db file like Google drive, drop box and one drive. if you want to do the back up from your local storage try below given code. Backup code: public void backUp() { try { File sd = Environment

问题 This question already has answers here : Recovering added file after doing git reset --hard HEAD^ (5 answers) Closed 5 years ago . I am new to git, and I just made a stupid mistake, that I deleted some important files by "rm *" command. However, I did use "git add" to add those files, but not commit. the deletion is not added yet. So is there any way to recover these deleted files. Any suggestions or answers would be appreciated. Thanks. 回答1: Since the files are already in your staging area

问题 While I try to set java path on ~./bashrc file i exported like: PATH=/usr/local/jdk1.6.0/bin export PATH which I guess makes all the other path missing.So it makes me any of the core command like cp not working. I am aware the default ~./bashrc file will be there on /etc/skel . But since none of the common comments working i am not able to copy it. Is there any way we can revert original ~./bashrc ? 回答1: Put something like: PATH=/your/jdk/bin/path:${PATH} export PATH That way, your path gets

问题 My Go function is expected to return a value, but it may panic when calling a library function. I can use recover() to capture this in a deferred call, but how can I return a value in this case? func MyFunc() string{ defer func() { if err := recover(); err != nil { // What do I do to make MyFunc() return a value in case of panic? } }() SomeFuncThatMayPanic() return "Normal Return Value" // How can I return "ERROR" in case of panic? } 回答1: You can use named result parameters. Name your return

问题 So I'm a newbie struggling (drowning really) with C, trying to work my way through CS50. I'm working on the 'Recover' exercise, trying to recover jpegs from the card.raw file. Through Googling, I have learnt that by typing xxd -l 2400 card.raw (char is 'L') in terminal, I can display bytes 0-2384 inclusive in terminal, which are in the following format: 0000000: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 0000950: 0fe0 c11b e555 8f20 33cc fbfe 559e 8eee .....U. 3...U... Q1: I