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When to wrap quotes around a shell variable?
... (or any whitespace really) or special characters (wildcards). Not quoting strings with spaces often leads to the shell breaking apart a single argument into many.
$? doesn't need quotes since it's a numeric value. Whether $URL needs it depends on what you allow in there and whether you still want ...
XML Schema minOccurs / maxOccurs default values
...xs:sequence>
<xs:element name="countryName" type="xs:string"/>
<xs:element name="capital" type="xs:string"/>
<xs:element name="nationalLanguage" type="xs:string"/>
<xs:element name="population" type="xs:double"/&...
What is the { get; set; } syntax in C#?
...r the following (similar code will be generated by the compiler):
private string name;
public string Name
{
get
{
return this.name;
}
set
{
this.name = value;
}
}
share
|
...
Writing data into CSV file in C#
...a loop, consider doing it like this:
//before your loop
var csv = new StringBuilder();
//in your loop
var first = reader[0].ToString();
var second = image.ToString();
//Suggestion made by KyleMit
var newLine = string.Format("{0},{1}", first, second);
csv.AppendLine(newLine)...
Looking for simple Java in-memory cache [closed]
...he usage pattern is similar to other caches. Here is an example:
Cache<String,String> cache = new Cache2kBuilder<String, String>() {}
.expireAfterWrite(5, TimeUnit.MINUTES) // expire/refresh after 5 minutes
.resilienceDuration(30, TimeUnit.SECONDS) // cope with at most 30 seconds...
Is there a way to create multiline comments in Python?
...
You can use triple-quoted strings. When they're not a docstring (the first thing in a class/function/module), they are ignored.
'''
This is a multiline
comment.
'''
(Make sure to indent the leading ''' appropriately to avoid an IndentationError.)
...
Check list of words in another string [duplicate]
...nal: and if you want to check that all words from that list are inside the string, just replace any() above with all()
– Nas Banov
Jul 17 '10 at 23:23
17
...
Difference between single quotes and double quotes in Javascript [duplicate]
...double quotes and single quotes is the interpretation of variable inside a string and the treatment of escape characters.
6...
How to copy Java Collections list
...
Calling
List<String> b = new ArrayList<String>(a);
creates a shallow copy of a within b. All elements will exist within b in the exact same order that they were within a (assuming it had an order).
Similarly, calling
// note:...
PHP script to loop through all of the files in a directory?
...tries);
//OUTPUT
object(FilesystemIterator)[1]
array (size=14)
0 => string 'aa[1].jpg' (length=9)
1 => string 'Chrysanthemum.jpg' (length=17)
2 => string 'Desert.jpg' (length=10)
3 => string 'giphy_billclinton_sad.gif' (length=25)
4 => string 'giphy_shut_your.gif' (length=...