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How to run a shell script on a Unix console or Mac terminal?
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To run a non-executable sh script, use:
sh myscript
To run a non-executable bash script, use:
bash myscript
To start an executable (which is any file with executable permission); you just specify it by its path:
/foo/bar
/bin/bar
./...
How can I restore the MySQL root user’s full privileges?
...r.
Enter your password
At the mysql command line enter: use mysql;
Then execute this query:
insert into `user` (`Host`, `User`, `Password`, `Select_priv`, `Insert_priv`, `Update_priv`, `Delete_priv`, `Create_priv`, `Drop_priv`, `Reload_priv`, `Shutdown_priv`, `Process_priv`, `File_priv`, `Grant_p...
Reading a huge .csv file
..."rb") as csvfile:
datareader = csv.reader(csvfile)
yield next(datareader) # yield the header row
count = 0
for row in datareader:
if row[3] == criterion:
yield row
count += 1
elif count:
# done w...
How can I create a self-signed cert for localhost?
...ugh this post is post is tagged for Windows, it is relevant question on OS X that I have not seen answers for elsewhere. Here are steps to create a self-signed cert for localhost on OS X:
# Use 'localhost' for the 'Common name'
openssl req -x509 -sha256 -nodes -newkey rsa:2048 -days 365 -keyout loc...
How to take column-slices of dataframe in pandas
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2017 Answer - pandas 0.20: .ix is deprecated. Use .loc
See the deprecation in the docs
.loc uses label based indexing to select both rows and columns. The labels being the values of the index or the columns. Slicing with .loc includes the last element....
Why aren't variables declared in “try” in scope in “catch” or “finally”?
...k are not in scope in the corresponding "catch" or "finally" blocks. For example, the following code does not compile:
28 ...
Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
...your ~/.bash_profile file will set the environment variable accordingly.
export JAVA_HOME="$(/usr/libexec/java_home -v 1.6)"
or
export JAVA_HOME="$(/usr/libexec/java_home -v 1.7)"
or
export JAVA_HOME="$(/usr/libexec/java_home -v 1.8)"
Update: added -v flag based on Jilles van Gurp response.
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Using awk to remove the Byte-order mark
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Try this:
awk 'NR==1{sub(/^\xef\xbb\xbf/,"")}{print}' INFILE > OUTFILE
On the first record (line), remove the BOM characters. Print every record.
Or slightly shorter, using the knowledge that the default action in awk is to print the record:
awk ...
Setting “checked” for a checkbox with jQuery
I'd like to do something like this to tick a checkbox using jQuery :
41 Answers
41
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Can one AngularJS controller call another?
...the same instance of the service
// so if the service updates state for example, this controller knows about it
}
Another way is emitting an event on scope:
function FirstController($scope)
{
$scope.$on('someEvent', function(event, args) {});
// another controller or even directive
}
func...