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When is it better to use String.Format vs string concatenation?
...mpler - although I'd simplify it to:
xlsSheet.Write("C" + rowIndex, null, title);
I suspect other answers may talk about the performance hit, but to be honest it'll be minimal if present at all - and this concatenation version doesn't need to parse the format string.
Format strings are great for...
How do I make a column unique and index it in a Ruby on Rails migration?
I would like to make a column unique in Ruby on Rails migration script. What is the best way to do it? Also is there a way to index a column in a table?
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Multiple ModelAdmins/views for same model in Django admin
...stered only once.
class PostAdmin(admin.ModelAdmin):
list_display = ('title', 'pubdate','user')
class MyPost(Post):
class Meta:
proxy = True
class MyPostAdmin(PostAdmin):
def get_queryset(self, request):
return self.model.objects.filter(user = request.user)
admin.sit...
Uri to default sound notification?
...tSmallIcon(R.drawable.notificaion_icon)
.setContentTitle("Title here")
.setContentText("Body here")
.setSound(defaultSoundUri)
.setAutoCancel(true);
NotificationManager mNotifyMgr =
(No...
Scatterplot with marginal histograms in ggplot2
...ement_blank(), axis.text.y=element_blank(),
axis.title.x=element_blank(), axis.title.y=element_blank())
scatter <- ggplot()+geom_point(aes(rnorm(100), rnorm(100)))
hist_right <- ggplot()+geom_histogram(aes(rnorm(100)))+coord_flip()
Then use the grid.arrange functio...
Conditional import of modules in Python
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To answer the question in your title but not the particular case you provide, it's perfectly correct, tons of packages do this. It's probably better to figure out the OS yourself instead of relying on the user; here's pySerial doing it as an example.
ser...
MVC4 style bundle giving 403
... I had two bundles: ~/Content/kendo (for css) and ~/bundles/kendo (for scripts). So: 403 error. When I changed name one of them - problem gone. Thanks.
– VikciaR
May 22 '13 at 12:10
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Which is more correct: … OR …
...he case of <h1><a>..</a></h1> only the text in the title will be clickable.
If you put the <a> around the <h1> and the css display property is block (which it is by default) the entire block (the height of the <h1> and 100% of the width of the container th...
Angularjs ng-model doesn't work inside ng-if
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The ng-if directive, like other directives creates a child scope. See the script below (or this jsfiddle)
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.0rc1/angular.min.js"></script>
<script>
function main($scope) {
$scope.testa = false;
...
Clean way to launch the web browser from shell script?
In a bash script, I need to launch the user web browser. There seems to be many ways of doing this:
6 Answers
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