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Ball to Ball Collision - Detection and Handling
...re and work with it that way. There's no reason for that expensive square root operation.
Also, once you have found a collision you have to continue to evaluate collisions until no more remain. The problem is that the first one might cause others that have to be resolved before you get an accurat...
EC2 Can't resize volume after increasing size
...s Change Everything"
The process works even if the volume to extend is the root volume of running instance!
Say we want to increase boot drive of Ubuntu from 8G up to 16G "on-the-fly".
step-1) login into AWS web console -> EBS -> right mouse click on the one you wish to resize -> "Modify ...
Oracle SQL Query for listing all Schemas in a DB
...an a schema = user ? and under that user all the tables created same like MySQL ?
– Osama Al-Banna
Jun 15 '16 at 14:12
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How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...nstead. See also How to insert uploaded image from p:fileUpload as BLOB in MySQL?
Another potential problem with native API will manifest is when the upload component is present in a form on which a different "regular" ajax request is fired which does not process the upload component. See also File...
Hibernate error - QuerySyntaxException: users is not mapped [from users]
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Some Linux based MySQL installations require case sensitive. Work around is to apply nativeQuery.
@Query(value = 'select ID, CLUMN2, CLUMN3 FROM VENDOR c where c.ID = :ID', nativeQuery = true)
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.gitignore exclude files in directory but not certain directories
... .gitignore files in the folders you want to keep. You can put this in the root .gitignore as follows:
application/cache/*
application/cache/folder/*
application/cache/folder/onemorefolder/*
!*.gitkeep
Now just create and commit empty .gitkeep files into the directories as listed above. The folde...
No appenders could be found for logger(log4j)?
...ties (taken from the above mentioned guide) file to your classpath:
# Set root logger level to DEBUG and its only appender to A1.
log4j.rootLogger=DEBUG, A1
# A1 is set to be a ConsoleAppender.
log4j.appender.A1=org.apache.log4j.ConsoleAppender
# A1 uses PatternLayout.
log4j.appender.A1.layout=or...
Alternative for PHP_excel
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@RZB - You use whichever library works for you, though MySQL doesn't (as far as I'm aware) have any native import function for .xls files, only for .csv using LOAD DATA INFILE. As the developer of PHPExcel, I will certainly promote it and recommend it where appropriate, but I don...
Can you add new statements to Python's syntax?
...e on, references to files in the Python source are given relatively to the root of the source tree, which is the directory where you run configure and make to build Python.
Two modifications have to be made to the grammar file. The first is to add a definition for the until statement. I found where...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
...side a docker you may get permission denied if your process doesn't run as root in the container. There's a fix coming for this in the next version.
– Dobes Vandermeer
Oct 23 '15 at 19:37
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