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Assignment inside lambda expression in Python
I have a list of objects and I want to remove all objects that are empty except for one, using filter and a lambda expression.
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ie8 var w= window.open() - “Message: Invalid argument.”
...n you look at the official documentation page, you see that Microsoft only allows the following arguments, If using that argument at all:
_blank
_media
_parent
_search
_self
_top
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How to run code when a class is subclassed? [duplicate]
...- Watcher subclasses type, not object. 2 - SuperClass has no superclass at all, not object. I'm just so used to writing down object as a superclass for every class I defined that I somehow missed it that this code was using something else. Although there doesn't seem to be any harm in making SuperCl...
Reverting to a specific commit based on commit id with Git? [duplicate]
...a
It will move your HEAD to where they were , but leave your local files etc. the same.
So what exactly do you want to do with this reset?
Edit -
You can add "tags" to your repo.. and then go back to a tag. But a tag is really just a shortcut to the sha1.
You can tag this as TAG1.. then a gi...
Controlling fps with requestAnimationFrame?
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That's it, all the logic is handled internally.
Demo
var ctx = c.getContext("2d"), pTime = 0, mTime = 0, x = 0;
ctx.font = "20px sans-serif";
// update canvas with some information and animation
var fps = new FpsCtrl(12, function(e) {
ctx.clearRect(0, 0, c.width, c.height);
ctx.fil...
MISCONF Redis is configured to save RDB snapshots
...from redis background save FAQ)
echo 'vm.overcommit_memory = 1' >> /etc/sysctl.conf
sysctl vm.overcommit_memory=1
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Significance of a .inl file in C++
...'re including, so things like ".h", ".hpp", ".hxx", ".hh", ".inl", ".inc", etc. are a simple convention, to make it clear what the files is supposed to contain.
The best example is the STL header files which have no extension whatsoever.
Usually, ".inl" files do contain inline code (hence the ".in...
Eclipse returns error message “Java was started but returned exit code = 1”
... message points to a problem with your Java version. Do you have a JDK installed?
Try adding the following (noting the new line):
/!\ make sure, that the -vm option occurs before the -vmargs command.
Everything after -vmargs is passed directly to the JVM.
-vm
c:/wherever/java/jdk1.6.0_21/...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...eName = uploadedFile.getFileName();
String contentType = uploadedFile.getContentType();
byte[] contents = uploadedFile.getContents(); // Or getInputStream()
// ... Save it, now!
}
Or if you want non-ajax file upload:
<h:form enctype="multipart/form-data">
<p:fileUpload mo...
JavaScript: What are .extend and .prototype used for?
...ate ).lol() // alert message
In the snippet above, I define a method for all Date objects ( already existing ones and all new ones ).
extend is usually a high level function that copies the prototype of a new subclass that you want to extend from the base class.
So you can do something like:
e...
