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Why do I need Transaction in Hibernate for read-only operations?
...t JDBC will create transaction anyway, it's just it will be working in autocommit=true if different option wasn't set explicitly.
But there is no guarantee that your method doesn't write into the database. If you mark method as @Transactional(readonly=true), Spring will set the JDBC transaction into...
When to encode space to plus (+) or %20?
...m-urlencoded content, such as the query part of a URL:
http://www.example.com/path/foo+bar/path?query+name=query+value
In this URL, the parameter name is query name with a space and the value is query value with a space, but the folder name in the path is literally foo+bar, not foo bar.
%20 is a...
Should I index a bit field in SQL Server?
...The reason everyone says to test is because SQL contains a very clever and complex optimizer that may ignore an index if it decides table scanning is faster, or may use a sort, or may organize memory pages however it darn well likes.
...
Google Authenticator implementation in Python
...tHub as separate module called onetimepass (available here: https://github.com/tadeck/onetimepass).
import hmac, base64, struct, hashlib, time
def get_hotp_token(secret, intervals_no):
key = base64.b32decode(secret, True)
msg = struct.pack(">Q", intervals_no)
h = hmac.new(key, msg, ...
Handling very large numbers in Python
...ichever is more appropriate. In Python 3.0+, the int type has been dropped completely.
That's just an implementation detail, though — as long as you have version 2.5 or better, just perform standard math operations and any number which exceeds the boundaries of 32-bit math will be automatically (...
WPF Bind to itself
... a DataGrid where if the user accesses one of its ContextMenu's MenuItem's Command's via an InputBinding's KeyBinding whose CommandParameter="{Binding ElementName=MyDataGrid, Path=SelectedItems}", it'll pass the SelectedItems to the Bound ICommand. However, null is passed if it's accessed via the C...
How to filter by object property in angularJS
...o filtering by using ng-hide: bennadel.com/blog/…
– sh3nan1gans
Jul 23 '13 at 19:43
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Is there any difference between DECIMAL and NUMERIC in SQL Server?
...lity. Actually, in the instructor's slides of the MS6232A course there's a comment added that they are ALMOST the same. At the same time, no recommendation is made by Microsoft regarding one or another (however DECIMAL makes more sense, as it's a standard's datatype instead of a legacy datatype from...
WPF Auto height in code
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edited Jun 20 at 9:12
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answered Mar 17 '10 at 0:26
Zach JohnsonZach Joh...
Disable ALL CAPS menu items in Visual Studio 2013
...ersion -Type DWord -Value 1
(as a single line).
Second Variant: Open up a Command Prompt (win+r, cmd, enter) and enter and run
REG ADD HKCU\Software\Microsoft\VisualStudio\12.0\General /v SuppressUppercaseConversion /t REG_DWORD /d 1
(as a single line).
Third Variant:
Change registry values by ha...