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How to fix java.net.SocketException: Broken pipe?
I am using apache commons http client to call url using post method to post the parameters and it is throwing the below error rarely.
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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
There is a case where a map will be constructed, and once it is initialized, it will never be modified again. It will however, be accessed (via get(key) only) from multiple threads. Is it safe to use a java.util.HashMap in this way?
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How do I spool to a CSV formatted file using SQLPLUS?
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If you are using 12.2, you can simply say
set markup csv on
spool myfile.csv
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Detecting input change in jQuery?
When using jquery .change on an input the event will only be fired when the input loses focus
8 Answers
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Git on Bitbucket: Always asked for password, even after uploading my public SSH key
...eys as explained , but Git still asks me for my password at every operation (such as git pull ). Did I miss something?
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JPA: How to have one-to-many relation of the same Entity type
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Yes, this is possible. This is a special case of the standard bidirectional @ManyToOne/@OneToMany relationship. It is special because the entity on each end of the relationship is the same. The general case is detailed in Section 2.10.2 of the JPA 2.0 spec.
Here's a worked example. First, th...
What is the reason for performing a double fork when creating a daemon?
I'm trying to create a daemon in python. I've found the following question , which has some good resources in it which I am currently following, but I'm curious as to why a double fork is necessary. I've scratched around google and found plenty of resources declaring that one is necessary, but not ...
Print array elements on separate lines in Bash?
How do I print the array element of a Bash array on separate lines? This one works, but surely there is a better way:
5 Ans...
How to clear gradle cache?
... the first time I boot it up, it takes like 45 MINUTES to compile... If I don't quit the application, it is okay - each subsequent compilation/running the app will take around 45 seconds.
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How to close this ssh tunnel? [closed]
I opened a ssh tunnel as described in this post: Zend_Db: How to connect to a MySQL database over SSH tunnel?
3 Answers
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