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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 ...
TypeError: $.ajax(…) is not a function?
I'm trying to create a simple AJAX request which returns some data from a MySQL database. Here's my function below:
13 Answ...
.gitignore exclude files in directory but not certain directories
... .gitignore files in the folders you want to keep. You can put this in the root .gitignore as follows:
application/cache/*
application/cache/folder/*
application/cache/folder/onemorefolder/*
!*.gitkeep
Now just create and commit empty .gitkeep files into the directories as listed above. The folde...
Get the current script file name
...heir own impotence, But you can safe your url using different filers, like mysql_real_escape_string, stripslashes etc..
– Khandad Niazi
Jan 29 '14 at 15:43
...
No appenders could be found for logger(log4j)?
...ties (taken from the above mentioned guide) file to your classpath:
# Set root logger level to DEBUG and its only appender to A1.
log4j.rootLogger=DEBUG, A1
# A1 is set to be a ConsoleAppender.
log4j.appender.A1=org.apache.log4j.ConsoleAppender
# A1 uses PatternLayout.
log4j.appender.A1.layout=or...
Finding duplicate rows in SQL Server
... I found this answer that worked just great: Get list of duplicate rows in MySql
SELECT n1.*
FROM myTable n1
INNER JOIN myTable n2
ON n2.repeatedCol = n1.repeatedCol
WHERE n1.id <> n2.id
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How can I confirm a database is Oracle & what version it is using SQL?
...om v$version;
For SQL server use:
Select @@VERSION as Version
and for MySQL use:
Show variables LIKE "%version%";
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How to create an array for JSON using PHP?
...
I have this code while($row=mysql_fetch_assoc($query_insert)) { $control=array('regione'=>$row["regione"],'totale'=>$row["prezzi"]); } print (json_encode(%control)); but retun {"regione":"Puglia","totale":"5.15"} not [{..},{..}]
...
How to remove unreferenced blobs from my git repo
...s/folders from your git repository. To use
# it, cd to your repository's root and then run the script with a list of paths
# you want to delete, e.g., git-delete-history path1 path2
if [ $# -eq 0 ]; then
exit 0
fi
# make sure we're at the root of git repo
if [ ! -d .git ]; then
echo "Err...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...ed for the validation set should be
inversely proportional to the square root of the number of free
adjustable parameters.
In their conclusion they specify a formula:
Validation set (v) to training set (t) size ratio, v/t, scales like
ln(N/h-max), where N is the number of families of rec...