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Are PostgreSQL column names case-sensitive?
...ife: ("first_Name")
So, yes, PostgreSQL column names are case-sensitive:
SELECT * FROM persons WHERE "first_Name" = 'xyz';
Also fix the incorrect double-quotes around 'xyz'. Values (string literals) are enclosed in single quotes.
Read the manual here.
My standing advice is to use legal, lower...
Input size vs width
...bly preferable to the inline style attribute.
You still need size for <select multiple> to get the height to line up with the options properly. But I'd not use it on an <input>.
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How to find where gem files are installed
...an check it from your command prompt by running gem help commands and then selecting the proper command:
kirti@kirti-Aspire-5733Z:~$ gem help commands
GEM commands are:
build Build a gem from a gemspec
cert Manage RubyGems certificates and signing settin...
Regex: Specify “space or start of string” and “space or end of string”
...
The easier way to exclude the group selection from the match is (?:^|\s)
– user2426679
Oct 22 '15 at 16:48
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Track all remote git branches as local branches
...it branch --set-upstream-to $remote/$brname $brname;
done
it will only select upstream branches from the remote you specify in the remote variable (it can be 'origin' or whatever name you have set for one of the remotes of your current Git repo).
it will extract the name of the branch: origin/a/...
JavaScript for detecting browser language preference [duplicate]
...t language the user uses you could always ask him by adding on your site a select list and save its choice into a cookie.
– Marco Demaio
Mar 21 '13 at 17:13
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Replace None with NaN in pandas dataframe
... dtype fields in your df and then replace the None:
obj_columns = list(df.select_dtypes(include=['object']).columns.values)
df[obj_columns] = df[obj_columns].replace([None], np.nan)
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Best branching strategy when doing continuous integration?
...in determining your branching strategy. Your branching approach should be selected based on your team, the system under development and the tools available to you.
Having said that ...
there's no reason why CI couldn't be used in both of the approaches you describe
those approaches work quite we...
Why is a “GRANT USAGE” created the first time I grant a user privileges?
...henticate. An user with USAGE privilege can run certain SQL commands like 'select 1+1' and 'show processlist'.
– Mircea Vutcovici
Feb 26 '15 at 16:10
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How to find out which fonts are referenced and which are embedded in a PDF document
...e fonts embedded.
Using the normal Adobe Reader (or Foxit if you prefer). Select File->Properties on the resulting Dialog choose the Font tab. You will see a list of fonts. The ones that are embedded will state this fact in ( ) behind the font name.
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