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Transpose a data frame
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Keep only first n characters in a string?
...
Use substring function
Check this out http://jsfiddle.net/kuc5as83/
var string = "1234567890"
var substr=string.substr(-8);
document.write(substr);
Output >> 34567890
substr(-8) will keep last 8 chars
var substr=string.substr(8);
document.write(substr);
Output ...
How can I use Server.MapPath() from global.asax?
...hey all end up in the same place. HostingEnvironment.MapPath cuts out the middle man.
– Corbin March
Jun 3 '09 at 17:44
1
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Python's json module, converts int dictionary keys to strings
...__ method. (The Lua docs suggest that it automatically uses the object's ID as a hash/key even for mutable objects and relies on string interning to ensure that equivalent strings map to the same objects).
In Perl, Javascript, awk and many other languages the keys for hashes, associative arrays o...
Android Closing Activity Programmatically
...ack button, the activity goes out of view. How can this be called from inside an activity so that it closes itself.
5 Answ...
CSS vertical alignment text inside li
I am displaying number of boxes in a row with fix height and width, generated from tags.
now I need to align the text in the vertical center.
The CSS vertical-align has no impact, maybe I am missing something???
...
How to “log in” to a website using Python's Requests module?
...e thing, it can be achieved with requests as follows:
Firstly, as Marcus did, check the source of the login form to get three pieces of information - the url that the form posts to, and the name attributes of the username and password fields. In his example, they are inUserName and inUserPass.
Onc...
Best way to create an empty map in Java
...at kind of Map is needed (this is called type inference). For example, consider a method declared like this:
public void foobar(Map<String, String> map){ ... }
When passing the empty Map directly to it, you have to be explicit about the type:
foobar(Collections.emptyMap()); ...
Efficient list of unique strings C#
...Set should work for you.
The HashSet<(Of <(T>)>) class provides
high performance set operations. A set
is a collection that contains no
duplicate elements, and whose elements
are in no particular order.
...
Updating MySQL primary key
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