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What are the differences between LDAP and Active Directory?
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@MarkBennett From my (very quick) reading it appears their conclusions were that LDAP had security issues and was being pushed by a political agenda which was profit rather than security driven. I think using the term 'negative tone' is an understatement but,...
How to go to each directory and execute a command?
...xample suggested by @gniourf_gniourf:
find . -type d -print0 | while IFS= read -r -d '' file; do
# ...
done
The above examples support directories with spaces in their name.
Or by assigning into bash array:
dirs=($(find . -type d))
for dir in "${dirs[@]}"; do
cd "$dir"
echo $PWD
done
Ch...
Concurrent HashSet in .NET Framework?
...ng, byte> _data;
This is the recommended option because the type is thread-safe and provide you the same advantages than a HashSet<T> except key and value are different objects.
Source: Social MSDN
ConcurrentBag
If you don't mind about the duplicate entries, you can use the class Concu...
How was the first compiler written?
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Please read about compiler bootstrapping and the history of compiler writing
The idea is to write a very simple compiler directly in machine code, use it to write a more sophisticated compiler, use the second one to build a third o...
Resize a large bitmap file to scaled output file on Android
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Makes it hard to read when you use variables like "b" but good answer non the less.
– Oliver Dixon
Aug 14 '12 at 10:05
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Excel “External table is not in the expected format.”
I'm trying to read an Excel (xlsx) file using the code shown below. I get an "External table is not in the expected format." error unless I have the file already open in Excel. In other words, I have to open the file in Excel first before I can read if from my C# program. The xlsx file is on a share...
Can I install Python windows packages into virtualenvs?
...ge extension to .zip to see it's a valid zip file. I discovered this after reading answers to my question Where can I download binary eggs with psycopg2 for Windows?
UPDATE
As noted by Tritium21 in his answer nowadays you should use pip instead of easy_install. Pip can't install binary packages cr...
What's the best name for a non-mutating “add” method on an immutable collection?
...t I use, because it's what System.Linq.Enumerable uses - the decision is already made. :) I can't be the only person who has defined his own overload of the Concat extension on IEnumerable to accept a single value to be appended.
– Daniel Earwicker
Jun 23 '09 a...
How to write a scalable Tcp/Ip based server
...tively little resources. Anything that does occur is handled by the .net thread pool.
I wrote it as a class that manages all connections for the servers.
I simply used a list to hold all the client connections, but if you need faster lookups for larger lists, you can write it however you want.
p...
SCOPE_IDENTITY() for GUIDs?
...inserted.GuidColumn
VALUES(1)
The example above is useful if you want to read the value from a .Net client. To read the value from .Net you would just use the ExecuteScalar method.
...
string sql = "INSERT INTO GuidTest(IntColumn) OUTPUT inserted.GuidColumn VALUES(1)";
SqlCommand cmd = new SqlCom...