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How to get the Parent's parent directory in Powershell?
So if I have a directory stored in a variable, say:
10 Answers
10
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Am I immoral for using a variable name that differs from its type only by case?
... It is the simplest, expressive way to name a single variable of a type. If you needed two Person objects then you could prefix person with meaningful adjectives like
fastPerson
slowPerson
otherwise just
person
is fine with me.
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Eclipse error: indirectly referenced from required .class files?
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Universal and simple answer that help me a lot in different case :) THX
– Mariusz Chw
Dec 10 '13 at 15:37
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MySQL: Fastest way to count number of rows
... mysql to php. Why do it when you can achieve the same on the mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if indexes are really used, and where should they be added.
The following is not the fastest way, but there is a case, where COUNT(*) doesn't really f...
Creating dataframe from a dictionary where entries have different lengths
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If you don't want it to show NaN and you have two particular lengths, adding a 'space' in each remaining cell would also work.
import pandas
long = [6, 4, 7, 3]
short = [5, 6]
for n in range(len(long) - len(short)):
s...
Android: how do I check if activity is running?
...per.onStop();
active = false;
}
}
The only gotcha is that if you use it in two activities that link to each other then onStop on the first is sometimes called after onStart in second. So both might be true briefly.
Depending on what you are trying to do (update the current activity...
Regex to test if string begins with http:// or https://
I'm trying to set a regexp which will check the start of a string, and if it contains either http:// or https:// it should match it.
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Convert JSON String To C# Object
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If you are unsure of the format for your class object, try this link. It translates your Json string into the right classes. Saved me a ton of time!
– jade290
Jan 22 '16 at 16:03
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When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
...t's not strictly necessary there. Where it IS necessary is for loops, and IF statements, etc, where you need more then one step...
IF EXISTS (SELECT * FROM my_table WHERE id = @id)
BEGIN
INSERT INTO Log SELECT @id, 'deleted'
DELETE my_table WHERE id = @id
END
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How to create duplicate allowed attributes
...ple = true)]
public class MyAttribute : Attribute
{}
Note, however, that if you are using ComponentModel (TypeDescriptor), it only supports one attribute instance (per attribute type) per member; raw reflection supports any number...
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