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Null vs. False vs. 0 in PHP
...ot found anything, but 0 if it has found something at the beginning of the string !
<?php
// pitfall :
if (strrpos("Hello World", "Hello")) {
// never exectuted
}
// smart move :
if (strrpos("Hello World", "Hello") !== False) {
// that works !
}
?>
And of course, if you deal with ...
How do I show a marker in Maps launched by geo URI Intent?
...miter "?" to the end of the result, followed by the
encoded query string.
Unfortunately for us, doing this will also escape the '=' which is not what we want.
We should do this:
String label = "Cinnamon & Toast";
String uriBegin = "geo:12,34";
String query = "12,34(" + label + ")";
...
Uncaught SyntaxError: Unexpected token with JSON.parse
...ect. (creating from an object literal)
JSON.parse() is used to convert a string containing JSON notation into a Javascript object.
Your code turns the object into a string (by calling .toString()) in order to try to parse it as JSON text.
The default .toString() returns "[object Object]", which i...
How to Generate unique file names in C#
...
If readability doesn't matter, use GUIDs.
E.g.:
var myUniqueFileName = string.Format(@"{0}.txt", Guid.NewGuid());
or shorter:
var myUniqueFileName = $@"{Guid.NewGuid()}.txt";
In my programs, I sometimes try e.g. 10 times to generate a readable name ("Image1.png"…"Image10.png") and if that...
Convert object to JSON in Android
...
Most people are using gson : check this
Gson gson = new Gson();
String json = gson.toJson(myObj);
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jQuery removing '-' character from string
I have a string "-123445". Is it possible to remove the '-' character from the string?
3 Answers
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How do I sort unicode strings alphabetically in Python?
...rary. It is pretty easy.
# python2.5 code below
# corpus is our unicode() strings collection as a list
corpus = [u"Art", u"Älg", u"Ved", u"Wasa"]
import locale
# this reads the environment and inits the right locale
locale.setlocale(locale.LC_ALL, "")
# alternatively, (but it's bad to hardcode)
#...
Using grep to search for a string that has a dot in it
I am trying to search for a string 0.49 (with dot) using the command
9 Answers
9
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Type converting slices of interfaces
...l rule that syntax should not hide complex/costly operations. Converting a string to an interface{} is done in O(1) time. Converting a []string to an interface{} is also done in O(1) time since a slice is still one value. However, converting a []string to an []interface{} is O(n) time because each e...
Swift - encode URL
If I encode a string like this:
17 Answers
17
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