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Grep for literal strings
... (except a single quote) untouched by enclosing them inside single quotes. If you need to type a single quote do it like this 'I'\''m special'
– ndemou
Dec 2 '17 at 10:51
...
TypeScript: Creating an empty typed container array
...Array constructor
var arr = new Array<Criminal>();
Explicitly specifying the type is the general solution for whenever type inference fails for a variable declaration.
The advantage of using a type assertion (sometimes called a cast, but it's not really a cast in TypeScript) works for any e...
Convert an integer to a float number
...is no float type. Looks like you want float64. You could also use float32 if you only need a single-precision floating point value.
package main
import "fmt"
func main() {
i := 5
f := float64(i)
fmt.Printf("f is %f\n", f)
}
...
Chmod recursively
...
You need read access, in addition to execute access, to list a directory. If you only have execute access, then you can find out the names of entries in the directory, but no other information (not even types, so you don't know which of the entries are subdirectories). This works for me:
find . -t...
Getting name of windows computer running python script?
... Windows computers on my network that will be running a python script. A different set of configuration options should be used in the script depending on which computer is running this script.
...
Why is textarea filled with mysterious white spaces?
...idth:350px; height:80px;" cols="42" rows="5" name="sitelink"><?php
if($siteLink_val) echo $siteLink_val;
?></textarea>
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How to sort a file, based on its numerical values for a field?
...k and forth several times and I didnt see that option. Ah, I was at a simplified man page. Damn!
– lukmac
Jan 31 '11 at 21:31
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How do I speed up the scroll speed in a JScrollPane when using the mouse wheel?
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Beautiful. I also noticed this affects the up and down arrows in the scroll bar, which is also very desired.
– Erick Robertson
Apr 7 '11 at 15:44
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Where is the “Fold” LINQ Extension Method?
...next) => prod * next);
See MSDN for more information. It lets you specify a seed and then an expression to calculate successive values.
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In Postgresql, force unique on combination of two columns
...ique (col1, col2)
)
autoincrement is not postgresql. You want a serial.
If col1 and col2 make a unique and can't be null then they make a good primary key:
CREATE TABLE someTable (
col1 int NOT NULL,
col2 int NOT NULL,
primary key (col1, col2)
)
...