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What does this mean: Failure [INSTALL_FAILED_CONTAINER_ERROR]?
...ecure folder, only root has access. I was able to run the app before, only now since a while, cannot run it and it gives the above error.
– Mathias Conradt
Apr 21 '11 at 13:27
1
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Moment JS - check if a date is today or in the future
...re:
momentObj.isAfter()
Just leave the args blank -- that'll default to now.
There's also isSameOrAfter and isSameOrBefore.
N.B. this factors in time. If you only care about the day, see Dipendu's answer.
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error: ‘NULL’ was not declared in this scope
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Now that C++11 is more generally supported by compilers, it might be worth mentioning the nullptr keyword, which is an actual keyword and doesn't require any #includes. It's also more typesafe than NULL.
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How do I get the object if it exists, or None if it does not exist?
...u can do it this way:
go = Content.objects.filter(name="baby").first()
Now go variable could be either the object you want or None
Ref: https://docs.djangoproject.com/en/1.8/ref/models/querysets/#django.db.models.query.QuerySet.first
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Decimal number regular expression, where digit after decimal is optional
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Thanks Pete, well spotted. The answer has now been corrected, by adding extra parenthesis so it behaves as intended. It is now written like ^A?(B|C)$. Previously, it was written like ^A?B|C$ which actually means (^A?B)|(C$) which was incorrect. Note: ^(A?B|C)$ is als...
Java String remove all non numeric characters
...de:
String str = "a12.334tyz.78x";
str = str.replaceAll("[^\\d.]", "");
Now str will contain "12.334.78".
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Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health
...hentication
client hits server with authentication token
server accepts.
Now, if you ever try to enable MTOM streaming on an WCF endpoint on the server, it will not complain. But, when you configure it on the client proxy (as you should, they must match bindings) it will explode in a fiery death. ...
git: Switch branch and ignore any changes without committing
...bsentmindedly made minor changes to the code that are not worth keeping. I now want to change branches, but git gives me,
1...
How do I make a list of data frames?
...me.
I didn't put my data in a list :( I will next time, but what can I do now?
If they're an odd assortment (which is unusual), you can simply assign them:
mylist <- list()
mylist[[1]] <- mtcars
mylist[[2]] <- data.frame(a = rnorm(50), b = runif(50))
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If you have data frames named i...
What are queues in jQuery?
...ar resized = function() {
// simple animation callback - let maps know we resized
google.maps.event.trigger(map, 'resize');
};
// wait 2 seconds
$map.delay(2000);
// resize the div:
$map.animate({
width: 250,
height: 250,
marginLeft: 250,
...