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What's the difference between libev and libevent?

...res are big because they combine I/O, time and signal handlers in one, the extra components such as the http and dns servers suffered from bad implementation quality and resultant security issues, and timers were inexact and didn't cope well with time jumps. Libev tried to improve each of these, by...
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What is a simple command line program or script to backup SQL server databases?

... the following to backup all Databases: Use Master Declare @ToExecute VarChar(8000) Select @ToExecute = Coalesce(@ToExecute + 'Backup Database ' + [Name] + ' To Disk = ''D:\Backups\Databases\' + [Name] + '.bak'' With Format;' + char(13),'') From Master..Sysdatabases Where [Name] Not In ('te...
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Android - Launcher Icon Size

...ractices/screens_support.html. Search on the page for, "180x180 (3.0x) for extra-extra-high-density". However, I've seen 144 a few places. – 1.21 gigawatts Jan 25 '15 at 5:13 ...
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Salting Your Password: Best Practices?

...chars and alphanumeric upper/lowercase. Extendable to say all hexadecimal strings under length Z (say 160) since I think a rainbow table of hashed hashes would be useful.. – Tom Ritter Mar 24 '09 at 13:51 ...
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Can someone explain mappedBy in JPA and Hibernate?

... at any side of mapping but perform at only one side . It will remove the extra column of foreign key constraint on the table on which class it is applied. For eg . If we apply mapped by in Employee class on employee object then foreign key from Employee table will be removed. ...
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How to convert Set to String[]?

I need to get a String[] out of a Set<String> , but I don't know how to do it. The following fails: 7 Answers ...
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Hibernate SessionFactory vs. JPA EntityManagerFactory

...lback method annotations like @PrePersist, @PostPersist,@PreUpdate with no extra configuration. Using similar callbacks while using SessionFactory will require extra efforts. Related Hibernate docs can be found here and here. Related SOF Question and Spring Forum discussion ...
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split string only on first instance of specified character

In my code I split a string based on _ and grab the second item in the array. 17 Answers ...
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How to change height of grouped UITableView header?

...w *)tableView heightForHeaderInSection:(NSInteger)section { // Removes extra padding in Grouped style return CGFLOAT_MIN; } - (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section { // Removes extra padding in Grouped style return CGFLOAT_MIN; } S...
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How to post pictures to instagram using API

...ount that you wish to post a photo too // Set all of the parameters in the string, and then sign it with their API key using SHA-256 $data ='{"device_id":"'.$device_id.'","guid":"'.$guid.'","username":"'.$username.'","password":"'.$password.'","Content-Type":"application/x-www-form-urlencoded; chars...