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Is it possible to use “/” in a filename?
...ou can't, unless your filesystem has a bug. Here's why:
There is a system call for renaming your file defined in fs/namei.c called renameat:
SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
int, newdfd, const char __user *, newname)
When the system call gets i...
How can I mask a UIImageView?
...d with two parameters: image and maskImage, these you have to set when you call the method. An example call could look like this, assuming the method is in the same class and the pictures are in your bundle:
Note - amazingly the images do not even have to be the same size.
...
UIImage *image = [UI...
Setting multiple attributes for an element at once with JavaScript
... {
for(var key in attrs) {
el.setAttribute(key, attrs[key]);
}
}
Call it like this:
setAttributes(elem, {"src": "http://example.com/something.jpeg", "height": "100%", ...});
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impr...
How efficient can Meteor be while sharing a huge collection among many clients?
... using this.userId. The publish
function sends data into the merge box by calling this.added, this.changed and
this.removed. See the
full publish documentation for
more details.
Most publish functions don't have to muck around with the low-level
added, changed and removed API, though. If a publi...
What is the maximum depth of the java call stack?
How deep do I need to go into the call stack before I get a StackOverflowError? Is the answer platform dependent?
4 Answers...
How to use transactions with dapper.net?
...licitly roll back on error or does System.Transactions handle that automatically?
– Norbert Norbertson
Oct 3 '17 at 12:30
6
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How do you print out a stack trace to the console/log in Cocoa?
I'd like to log the call trace during certain points, like failed assertions, or uncaught exceptions.
6 Answers
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C# constructor execution order
...Constructor chaining works out which base class constructor is going to be called
The base class is initialized (recurse all of this :)
The constructor bodies in the chain in this class are executed (note that there can be more than one if they're chained with Foo() : this(...) etc
Note that in Ja...
What does $(function() {} ); do?
Sometimes I make a function and call the function later.
5 Answers
5
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What makes JNI calls slow?
I know that 'crossing boundaries' when making a JNI call in Java is slow.
3 Answers
3
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