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Check if PHP session has already started
... really think about refactoring your session management code if you don't know whether or not a session is started...
That said, my opinion is subjective, and there are situations (examples of which are described in the comments below) where it may not be possible to know if the session is started....
How to find all the tables in MySQL with specific column names in them?
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@JohnMillikin: or conversely, if you don't know the database but only the field name, leave it out and add TABLE_SCHEMA to the fields of the return set to see all databases + tables that contain that column name.
– Abel
May 17 '13...
SQL Server SELECT LAST N Rows
This is a known question but the best solution I've found is something like:
18 Answers
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Search text in stored procedure in SQL Server
...ool features. Not free for SQL Server 2012 but still very affordable.
I know this answer is not 100% related to the questions (which was more specific) but hopefully others will find this useful.
share
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Meaning of $? (dollar question mark) in shell scripts
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This is even more wrong now. [ 1 ] and [ 0 ] are both true; [ without an operator checks if the argument is a non-empty string.
– tripleee
Jun 30 '19 at 17:05
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Using Html.ActionLink to call action on different controller
...to be a pain to migrate as we've been using the generic method for a while now). Here's the full article on why it's not been kept in 2: haacked.com/archive/2008/08/29/…
– Stu
Mar 30 '10 at 10:01
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split string only on first instance of specified character
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Anyone know why I get an extra empty string element with this: in: "Aspect Ratio: 16:9".split(/:(.+)/) out: ["Aspect Ratio", " 16:9", ""]
– katy lavallee
May 8 '14 at 17:42
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Print all properties of a Python Class [duplicate]
...name': 'Dog', 'color': 'Spotted', 'age': 10, 'legs': 2, 'smell': 'Alot'}
# now dump this in some way or another
print(', '.join("%s: %s" % item for item in attrs.items()))
If you want to store Python objects on the disk you should look at shelve — Python object persistence.
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Binding multiple events to a listener (without JQuery)?
...ng the same listener for multiple events on the one element is more common now to cover the various interface types in use, and Isaac's answer offers a good use of built–in methods to reduce the code (though less code is, of itself, not necessarily a bonus). Extended with ECMAScript 2015 arrow fun...
Split output of command by columns using Bash?
... space, obviously
$ <command> | sed -e "s/.*/ &/" | tr -s " "
Now, for this particular case of pid numbers (not names), there is a function called pgrep:
$ pgrep ssh
Shell functions
However, in general it is actually still possible to use shell functions in a concise manner, because...