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Correct format specifier to print pointer or address?
...tr_t) cast is unambiguously recommended by GCC when it can read the format string at compile time. I think it is correct to request the cast, though I'm sure there are some who would ignore the warning and get away with it most of the time.
Kerrek asks in the comments:
I'm a bit confused abo...
What is the best way to implement nested dictionaries?
...se objects? My autovivification object contains just pandas dataframes and string.
– jason
Feb 11 '19 at 14:39
@jason ...
Why do some scripts omit the closing PHP tag, '?>'? [duplicate]
...mitting the closing tag is just one solution for avoiding blanks and other characters at the end of file. For example any char which is accidentally added behind the closing tag would trigger an error when trying to modify header info later.
Removing the closing tag is kind of "good practice" refer...
How do you loop in a Windows batch file?
... (filenameset) DO command
or
FOR /F ["options"] %%parameter IN ("Text string to process") DO command
syntax-FOR-Command Results
FOR /F ["options"] %%parameter IN ('command to process') DO command
It
Take a set of data
Make a FOR Parameter %%G equal to some part of that data
Perform a co...
Using Node.JS, how do I read a JSON file into (server) memory?
...What that gets you is an object, and it doesn't even bother to implement tostring().
– David A. Gray
Apr 9 '18 at 3:05
3
...
How to check if all of the following items are in a list?
...ems:
>>> a = {'key': 'value'}
>>> b = {'key': 'value', 'extra_key': 'extra_value'}
>>> all(item in a.items() for item in b.items())
True
>>> all(item in b.items() for item in a.items())
False
That's because dict.items returns tuples of key/value pairs, and much...
z-index not working with fixed positioning
... @marflar My pleasure. Btw, take a look at your fiddle. there is an extra tag </body> and an extra tag </html> in the end.
– Michel Ayres
Mar 26 '14 at 18:52
2
...
Compare floats in php
...
What about performance? bccomp() takes strings as arguments. Anyway you could use PHP_FLOAT_DIG for the scale argument.
– Code4R7
Sep 28 '17 at 20:29
...
PHP parse/syntax errors; and how to solve them
...al syntax error message reads:
Parse error: syntax error, unexpected T_STRING, expecting ';' in file.php on line 217
Which lists the possible location of a syntax mistake. See the mentioned file name and line number.
A moniker such as T_STRING explains which symbol the parser/tokenizer couldn...
Do sealed classes really offer performance Benefits?
...MSIL code was emitted.
public class NormalClass {
public void WriteIt(string x) {
Console.WriteLine("NormalClass");
Console.WriteLine(x);
}
}
public sealed class SealedClass {
public void WriteIt(string x) {
Console.WriteLine("SealedClass");
Console.Writ...