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Remove a symlink to a directory
...u need to tell it to delete a file, not delete a directory. I believe the difference between rm and rmdir exists because of differences in the way the C library treats each.
At any rate, the first should work, while the second should complain about foo being a directory.
If it doesn't work as abov...
How to create an array from a CSV file using PHP and the fgetcsv function
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@Thomas If you need an array of names, addresses, and statuses, you can just do what you're doing above: list($names[], $addresses[], $statuses[]) = $line;
– Dave DeLong
Aug 13 '09 at 3:09
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Fast way to discover the row count of a table in PostgreSQL
I need to know the number of rows in a table to calculate a percentage. If the total count is greater than some predefined constant, I will use the constant value. Otherwise, I will use the actual number of rows.
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Ruby - elegantly convert variable to an array if not an array already
... the original use of to_a. For instance, {a: 1, b: 2}.each ... would work differently.
– sawa
Aug 21 '13 at 14:15
1
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Returning IEnumerable vs. IQueryable
What is the difference between returning IQueryable<T> vs. IEnumerable<T> , when should one be preferred over the other?
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Is there such a thing as min-font-size and max-font-size?
...wser further will not make the font stop resizing. This has made me wonder if there is such a thing as min-font-size or max-font-size , and if such a thing does not exist, if there is a way to achieve something similar.
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onActivityResult is not being called in Fragment
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Also note that if you are using nested fragments, the child fragment should call getParentFragment().startActivityForResult so that the parent fragment will have its onActivityResult method called.
– Eric Brynsvold
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How to clean project cache in Intellij idea like Eclipse's clean?
...then restart Intellij
or
File -> Invalidate caches / Restart
The main difference is that in older versions you had to manually restart as cache files are not removed until you restart. The newer versions will ask if you also want to restart.
As seen here on this official Jetbrains help page...
TypeScript and field initializers
... address?: string,
age?: number
}) {
if (fields) Object.assign(this, fields);
}
}
or do it manually (bit more safe):
if (fields) {
this.name = fields.name || this.name;
this.address = fields.address || this.address;
this.age = ...
Unloading classes in java?
...this since the amount of jars that are required to do this are ridiculous (if we wanted to ship them). We also have version problems if we don't load the classes dynamically at run time from the AppServer library.
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