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Should I use @EJB or @Inject
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Nov 15 '11 at 15:08
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In R, how to get an object's name after it is sent to a function?
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The old deparse-substitute trick:
a<-data.frame(x=1:10,y=1:10)
test<-function(z){
mean.x<-mean(z$x)
nm <-deparse(substitute(z))
print(nm)
return(mean.x)}
test(a)
#[1] "a" ... this is the side-effect of the print() call
# ... you could have don...
jQuery date formatting
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105
jQuery dateFormat is a separate plugin. You need to load that explicitly using a <script>...
Creating SolidColorBrush from hex color value
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Noctis
10.7k33 gold badges3535 silver badges7171 bronze badges
answered Apr 8 '12 at 19:28
Mahesha999Mahesha...
SQLite - replace part of a string
...ey are relative (instead of absolute). See stackoverflow.com/questions/50161090/…
– MShekow
May 4 '18 at 4:29
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Run task only if host does not belong to a group
...sts file like this:
[vagrant:vars]
test_var=true
[location-1]
192.168.33.10 hostname=apollo
[location-2]
192.168.33.20 hostname=zeus
[vagrant:children]
location-1
location-2
And run tasks like this:
- name: "test"
command: "echo {{test_var}}"
when: test_var is defined and test_var
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Assign pandas dataframe column dtypes
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edited May 7 '18 at 10:08
smci
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answered ...
Rails detect if request was AJAX
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edited Jul 10 '15 at 16:46
answered Nov 22 '11 at 1:08
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CocoaPods - use specific pod version
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answered May 26 '13 at 10:25
MarcelMarcel
5,40211 gold badge2424 silver badges3939 bronze badges
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How to check if variable's type matches Type stored in a variable
...rom:
bool b9 = typeof(Tiger).IsAssignableFrom(x.GetType()); // true
bool b10 = typeof(Animal).IsAssignableFrom(x.GetType()); // true! A variable of type Animal may be assigned a Tiger.
or with the type variable
bool b11 = t.IsAssignableFrom(x.GetType()); // true
bool b12 = t.IsAssignableFrom(x.Get...