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Why does Lua have no “continue” statement?
...ollowing loop
-- not valid Lua 5.1 (or 5.2)
for k,v in pairs(t) do
if isstring(k) then continue end
-- do something to t[k] when k is not a string
end
could be written
-- valid Lua 5.1 (or 5.2)
for k,v in pairs(t) do
if not isstring(k) then
-- do something to t[k] when k is not a str...
Case insensitive string compare in LINQ-to-SQL
...ad that it's unwise to use ToUpper and ToLower to perform case-insensitive string comparisons, but I see no alternative when it comes to LINQ-to-SQL. The ignoreCase and CompareOptions arguments of String.Compare are ignored by LINQ-to-SQL (if you're using a case-sensitive database, you get a case-se...
How to remove/ignore :hover css style on touch devices
...rently.
There are two main options that occur to me immediately: (1) user-string checking, or (2) maintaining separate mobile pages using a different URL and having users choose what's better for them.
If you're able to use an internet duct-tape language such as PHP or Ruby, you can check the use...
Best way to parse command-line parameters? [closed]
...ln [--min-size num] [--max-size num] filename
"""
def main(args: Array[String]) {
if (args.length == 0) println(usage)
val arglist = args.toList
type OptionMap = Map[Symbol, Any]
def nextOption(map : OptionMap, list: List[String]) : OptionMap = {
def isSwitch(s : String) =...
How to read and write INI file with Python3?
...omplete read, update and write example.
Input file, test.ini
[section_a]
string_val = hello
bool_val = false
int_val = 11
pi_val = 3.14
Working code.
try:
from configparser import ConfigParser
except ImportError:
from ConfigParser import ConfigParser # ver. < 3.0
# instantiate
conf...
Print string to text file
... Amount: {}".format(TotalAmount), file=text_file)
Python3.6 introduced f-strings for another alternative
with open("Output.txt", "w") as text_file:
print(f"Purchase Amount: {TotalAmount}", file=text_file)
share
...
Git Alias - Multiple Commands and Parameters
...!git checkout $1 && git status
almost works, but gives a spurious extra insertion of the argument ...
git chs demo -> git checkout demo && git status demo
But if you add && : to the end of your alias, then the spurious argument is consumed into a location tag.
So
[al...
How to check if a file exists in Go?
...xists reports whether the named file or directory exists.
func Exists(name string) bool {
if _, err := os.Stat(name); err != nil {
if os.IsNotExist(err) {
return false
}
}
return true
}
The example is extracted from here.
...
How to get the list of all printers in computer
...
Try this:
foreach (string printer in System.Drawing.Printing.PrinterSettings.InstalledPrinters)
{
MessageBox.Show(printer);
}
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|
imp...
Curly braces in string in PHP
What is the meaning of { } (curly braces) in string literals in PHP?
5 Answers
5
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