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What's the _ underscore representative of in Swift References?
... have this foo() method defined in class Bar:
class Bar{
func foo(s1: String, s2: String) -> String {
return s1 + s2;
}
}
When you call foo(), it is called like bar.foo("Hello", s2: "World").
But, you can override this behavior by using _ in front of s2 where it's declared.
f...
Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
...
Possible, but I will try to avoid any extra step in this instance.
– VonC
Nov 18 '08 at 15:54
21
...
Git and Mercurial - Compare and Contrast
...in git rev-parse manpage):
The full SHA1 object name (40-byte hexadecimal string), or a substring of such that is unique within the repository
A symbolic ref name, e.g. 'master' (referring to 'master' branch), or 'v1.5.0' (referring to tag), or 'origin/next' (referring to remote-tracking branch)
A...
How to read data From *.CSV file using javascript?
...r for accuracy.
This code will work when your data.txt file is one long string of comma-separated entries, with no newlines:
data.txt:
heading1,heading2,heading3,heading4,heading5,value1_1,...,value5_2
javascript:
$(document).ready(function() {
$.ajax({
type: "GET",
url:...
Matplotlib tight_layout() doesn't take into account figure suptitle
...=24)
# Instead, do a hack by annotating the first axes with the desired
# string and set the positioning to 'figure fraction'.
fig.get_axes()[0].annotate('Long Suptitle', (0.5, 0.95),
xycoords='figure fraction', ha='center',
fontsize=24
...
“Conversion to Dalvik format failed with error 1” on external JAR
...ject properties which caused both android.jar's to conflict. Removing the extra in the Java Build Path did the trick
– styler1972
Aug 4 '11 at 18:50
2
...
How to use onSavedInstanceState example please
...re are more) of put functions you can use to store data in the Bundle.
putString
putBoolean
putByte
putChar
putFloat
putLong
putShort
putParcelable (used for objects but they must implement Parcelable)
In your onCreate function, this Bundle is handed back to the program. The best way to check if ...
Casting vs using the 'as' keyword in the CLR
...n = 0;
foreach (object o in values)
{
if (o is string)
{
string a = (string) o;
len += a.Length;
}
}
sw.Stop();
Console.WriteLine("Is and Cast: {0} : {1}", len,
(long...
How do you loop through currently loaded assemblies?
... the database connection(s), display the current appSettings and ConnectionStrings, etc. A section of this page displays the Assembly versions of important types used throughout, but I could not figure out how to effectively show the versions of ALL of the loaded assemblies.
...
How to set custom header in Volley Request
...
It looks like you override public Map<String, String> getHeaders(), defined in Request, to return your desired HTTP headers.
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