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Stateless and Stateful Enterprise Java Beans
...ul)ctx.lookup("java:comp/env/MyStatefulBean");
session.setAttribute("my_stateful", myStateful);
} catch (Exception e) {
// exception handling
}
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How to prevent rm from reporting that a file was not found?
...nting out is that the "-f" test and the file removal could complete in any order. Another way to do it is: if [ -f "$THEFILE" ]; then rm "$THEFILE"; fi, which makes the test and the file removal steps explicitly sequential.
– robla
Jan 10 '19 at 19:56
...
Is there a `pointer-events:hoverOnly` or similar in CSS?
...r but without that ugly, ugly jQuery.
Snippet: Notice DIVs are in reverse order
.layer {
position: absolute;
top: 0px;
left: 0px;
height: 400px;
width: 400px;
}
#bottomlayer {
z-index: 10
}
#toplayer {
z-index: 20;
pointer-events: none;
background-color: whit...
Appending the same string to a list of strings in Python
... 0 prepended to each word, followed by
the n-1 bit code in reverse order, with 1 prepended to each word.
'''
def graycode(n):
if n==1:
return ['0','1']
else:
nbit=map(lambda x:'0'+x,graycode(n-1))+map(lambda x:'1'+x,graycode(n-1)[::-1])
...
What happens to C# Dictionary lookup if the key does not exist?
... be better, but if you want to check if the dictionary contains the key in order to avoid duplicate additions, I would say ContainsKey is just as good (if not better).
– Fredrik Mörk
Jan 26 '10 at 11:25
...
Attempt by security transparent method 'WebMatrix.WebData.PreApplicationStartCode.Start()'
...ges.Razor.WebPageRazorHost.AddGlobalImport(System.String)’ failed.
In order to fix this install this package using NuGet package manager.
Install-Package Microsoft.AspNet.WebHelpers
After that , probably you will get another error
Cannot load WebMatrix.Data version 3.0.0.0 assembly
to...
How do you add Boost libraries in CMakeLists.txt?
...eLists.txt file (change any options from OFF to ON if you want):
set(Boost_USE_STATIC_LIBS OFF)
set(Boost_USE_MULTITHREADED ON)
set(Boost_USE_STATIC_RUNTIME OFF)
find_package(Boost 1.45.0 COMPONENTS *boost libraries here*)
if(Boost_FOUND)
include_directories(${Boost_INCLUDE_DIRS})
ad...
Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
...
With the Underscore.js var arr=['a','a1','b'] _.filter(arr, function(a){ return a.indexOf('a') > -1; })
– sri_bb
Dec 10 '14 at 11:30
add a comm...
DirectX SDK (June 2010) Installation Problems: Error Code S1023
...st recent file named
Microsoft Visual C++ 2010 x64 Redistributable Setup_20110608_xxx.html ##
and check if you have the following error
Installation Blockers:
A newer version of Microsoft Visual C++ 2010 Redistributable has been detected on the machine.
Final Result: Installation f...
How can I get the active screen dimensions?
...reen dimensions (you need to adapt the window parameters to your window in order to ensure that both are openend on the same screen - mainly the WindowStartupLocation is important)
Window w = new Window();
w.ResizeMode = ResizeMode.NoResize;
w.WindowState = WindowState.Normal;
w.WindowStyle = Windo...