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Can Android do peer-to-peer ad-hoc networking?
...o-peer wifi mode? For example, I would like to have one phone broadcast a message, and have all peers in the network receive the broadcast, without having a server. I would like to use wifi since bluetooth range is more limited.
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How to only get file name with Linux 'find'?
... files in directory, so I get a list of paths. However, I need only file names. i.e. I get ./dir1/dir2/file.txt and I want to get file.txt
...
How can I fill out a Python string with spaces?
...3? Just wanted to add there is also rjust and center which work much the same way but for different alignments
– radtek
Jan 22 '15 at 13:37
21
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What is a NullPointerException, and how do I fix it?
...t the value of 10 on the second line, your value of 10 is written into the memory location referred to by x.
But, when you try to declare a reference type, something different happens. Take the following code:
Integer num;
num = new Integer(10);
The first line declares a variable named num, but it ...
How do I trim whitespace from a string?
...l consecutive spaces? If the second, then strings already have a .strip() method:
>>> ' Hello '.strip()
'Hello'
>>> ' Hello'.strip()
'Hello'
>>> 'Bob has a cat'.strip()
'Bob has a cat'
>>> ' Hello '.strip() # ALL consecutive spaces at both ends removed
'Hel...
How to use random in BATCH script?
... Given the specific problem, you will very likely be using some kind of loop? Then you should indeed be using delayed expansion e.g. via SETLOCAL ENABLEDELAYEDEXPANSION and using !RANDOM! instead of %RANDOM%, like Eugene posted.
– mousio
Apr 25 '1...
Oracle query to fetch column names
...ot equivalent to a schema, neither do you have to provide the tablespace name.
Providing the schema/username would be of use if you want to query ALL_TAB_COLS or DBA_TAB_COLS for columns OF tables owned by a specific user. in your case, I'd imagine the query would look something like:
String sqlSt...
Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
...ther words, a totally clean re-install. Upon starting IRB, I received this message:
5 Answers
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How to loop through all the properties of a class?
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foreach (PropertyInfo property in properties)
{
Console.WriteLine("Name: " + property.Name + ", Value: " + property.GetValue(obj, null));
}
for Excel - what tools/reference item must be added to gain access to BindingFlags, as there is no "System.Reflection" entry in the list
Edit: You can ...
CSS Classes & SubClasses
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I don't really use subclasses myself......can anyone give me a reason where this would be necessary?
– patricksweeney
Feb 18 '09 at 4:12
2
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