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Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
... order to run a static initializer block which maps the peer to a database table. The static block was not executed on this call. However, upon calling Class.forName("..."); for the peer class the static block was executed. +1 for a good explanation and educating me as to why I ran into this issue!
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How to align a to the middle (horizontally/width) of the page [duplicate]
...
<div></div>
div {
display: table;
margin-right: auto;
margin-left: auto;
}
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Do I need to heartbeat to keep a TCP connection open?
...e (such as a firewall), you may need keepalives in order to keep the state table entry from expiring.
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Correct way to remove plugin from Eclipse
...on Details --> Installation History tab
In the Previous configurations table, you can select a configuration and see in the Configuration contents exactly which plugins were installed and are included in it.
It's easy to find the configuration that contains the plugin you want to remove, using ...
Get exception description and stack trace which caused an exception, all as a string
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See the traceback module, specifically the format_exc() function. Here.
import traceback
try:
raise ValueError
except ValueError:
tb = traceback.format_exc()
else:
tb = "No error"
finally:
print tb
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SQL - Query to get server's IP address
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Declare @pos int
set nocount on
set @ip = NULL
Create table #temp (ipLine varchar(200))
Insert #temp exec master..xp_cmdshell 'ipconfig'
select @ipLine = ipLine
from #temp
where upper (ipLine) like '%IP ADDRESS%'
if (isnull (@ipL...
Can I change the height of an image in CSS :before/:after pseudo-elements?
...h: 10px;
height: 20px;
content:"";
}
See the full Compatibility Table at the MDN.
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Inverse dictionary lookup in Python
...o guarantee that it returns a single value and it does not need to be lexically first only that it be the first match and that it's behavior is stable (multiple calls on same dict over time should yield same matching element). Unless dictionaries rearrange their unmodified hashes over time as other...
How to use OrderBy with findAll in Spring Data
...ction 5.3. Query Methods, especially at section 5.3.2. Query Creation, in "Table 3. Supported keywords inside method names" (links as of 2019-05-03).
I think it has exactly what you need and same query as you stated should work...
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How can I force WebKit to redraw/repaint to propagate style changes?
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To avoid flickering you may try 'inline-block', 'table' or 'run-in' instead of 'none', but this may have side-effects. Also, a timeout of 0 triggers a reflow just like querying offsetHeight does: sel.style.display = 'run-in'; setTimeout(function () { sel.style.display = 'bl...