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Display milliseconds in Excel
...rs which are timestamps in milliseconds (e.g. 28095200 is 7:48:15.200 am), and I want to make a new column next to it which keeps a running average and displays the time in a hh:mm:ss.000 format.
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How do you run a single query through mysql from the command line?
...hould be the first result in a google search (for "mysql exec sql from command line") and not the huge mysql site!
– Guillaume Bois
Apr 4 '17 at 17:48
4
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Add hover text without javascript like we hover on a user's reputation
...over on a user's reputation we see a text. I have seen this at many places and the source code tells me that it can be done without js. And i tried and got only this-
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HttpSecurity, WebSecurity and AuthenticationManagerBuilder
...plain when to override configure(HttpSecurity) , configure(WebSecurity) and configure(AuthenticationManagerBuilder) ?
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Is there a way to use two CSS3 box shadows on one element?
... two shadows on it. The first shadow is an inner lighter box shadow (2px), and the second is a drop shadow outside the button (5px) itself.
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How to do a LIKE query in Arel and Rails?
...(users[:name].matches("%#{params[:user_name]}%")), I tried TRUNCATE users; and other such queries and nothing happened on the sql side. Looks safe to me.
– earlonrails
Aug 28 '13 at 18:56
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Getting the encoding of a Postgres database
I have a database, and I need to know the default encoding for the database. I want to get it from the command line.
6 Answ...
How do I use a file grep comparison inside a bash if/else statement?
...t status is 0 if any line was selected, 1 otherwise;
if any error occurs and -q was not given, the exit status is 2.
if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then
echo exists
else
echo not found
fi
You may want to use a more specific regex, such as ^MYSQL_ROLE=master$, to avo...
What is the difference between “Include Directories” and “Additional Include Directories”
... VC++ Directories settings used to be located in Tools + Options, Projects and Solutions, VC++ Directories. Global settings that applied to every project that was built on the machine. It is still there but points out that you should now change it in your project settings. A side-effect of the bu...
NSUserDefaults removeObjectForKey vs. setObject:nil
...m not positive.
To completely remove a value for a key use UserDefaults.standard.removeObject(forKey: "YourDefault")
I tested with the following code:
UserDefaults.standard.set(["a", "b", "c"], forKey: "MyDefaults")
print("Test A: My saved defaults \(UserDefaults.standard.object(forKey: "MyDefaul...