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How does a Linux/Unix Bash script know its own PID?
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It redirects a string into the loop (or anything that reads stdin). The string is referred to as a "here string".
– Paused until further notice.
Mar 29 '14 at 21:29
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Calculating width from percent to pixel then minus by pixel in LESS CSS
...ays:
Basic Escaping
Everything inside the calc arguments is defined as a string, and is totally static until it's evaluated by the client:
LESS Input
div {
> span {
width: calc(~'100% - 10px');
}
}
CSS Output
div > span {
width: calc(100% - 10px);
}
Interpolation of ...
why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
I want my datetime to be converted to a string that is in format "dd/MM/yyyy"
5 Answers
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Why do I get a SyntaxError for a Unicode escape in my file path?
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You need to use a raw string, double your slashes or use forward slashes instead:
r'C:\Users\expoperialed\Desktop\Python'
'C:\\Users\\expoperialed\\Desktop\\Python'
'C:/Users/expoperialed/Desktop/Python'
In regular python strings, the \U characte...
Bundle ID Suffix? What is it?
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The reason for this is explained in the Developer Portal:
The App ID string contains two parts separated by a period (.) — an App ID Prefix (your Team ID by default, e.g. ABCDE12345), and an App ID Suffix (a Bundle ID search string, e.g. com.mycompany.appname). [emphasis added]
So in this ...
How to use SQL Order By statement to sort results case insensitive?
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@Vincy: I don't see what's so weird about case-sensitive string comparison. That's how the <, ==, etc. operators work by default in every programming language that I'm familiar with.
– dan04
Feb 13 '18 at 17:31
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How to serialize a lambda?
...:
import java.io.Serializable;
public class Test {
static Object bar(String s) {
return "make serializable";
}
void m () {
SAM s1 = (SAM & Serializable) Test::bar;
SAM s2 = (SAM & Serializable) t -> "make serializable";
}
interface SAM {
...
Reference: Comparing PHP's print and echo
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evaluates its single argument e and type-casts the resulting value to a string s. (Thus, print e is equivalent to print (string) e.)
Streams the string s to the output buffer (which eventually will be streamed to the standard output).
Evaluates to the integer 1.
Differences at the bytecode leve...
What are '$$' used for in PL/pgSQL
...actically anywhere in SQL scripts.
The body of a function happens to be a string literal which has to be enclosed in single quotes. Dollar-quoting is a PostgreSQL-specific substitute for single quotes to avoid quoting issues inside the function body. You could write your function definition with si...
How to check if a file exists from inside a batch file [duplicate]
...ng in batch programs.
IF [NOT] ERRORLEVEL number command
IF [NOT] string1==string2 command
IF [NOT] EXIST filename command
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