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How do I check if file exists in Makefile so I can delete it?
In the clean section of my Makefile I am trying to check if the file exists before deleting permanently. I use this code but I receive errors.
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Make a float only show two decimal places
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If anyone is curious as to how one does actually get 25.. @"%.f" does the trick. What is written above, does not.
– Alex Gray
Dec 3 '11 at 19:43
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How to get different colored lines for different plots in a single figure?
I am using matplotlib to create the plots. I have to identify each plot with a different color which should be automatically generated by Python.
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Pinging servers in Python
In Python, is there a way to ping a server through ICMP and return TRUE if the server responds, or FALSE if there is no response?
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Python dictionary: are keys() and values() always the same order?
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Found this:
If items(), keys(), values(),
iteritems(), iterkeys(), and
itervalues() are called with no
intervening modifications to the
dictionary, the lists will directly
correspond.
On 2.x documentation and 3.x documentatio...
MVC3 Razor: Displaying html within code blocks
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You could use @: to escape:
@if(Model.foo)
{
@:Hello World
}
or the special <text> tag which is not outputted in the response:
@if(Model.foo)
{
<text>Hello World</text>
}
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Check if a user has scrolled to the bottom
...he .scroll() event on window, like this:
$(window).scroll(function() {
if($(window).scrollTop() + $(window).height() == $(document).height()) {
alert("bottom!");
}
});
You can test it here, this takes the top scroll of the window, so how much it's scrolled down, adds the height of th...
AngularJS directive with default options
...default options for my (element) directive, which can be overridden by specifying the option value in an attribute.
3 Answe...
How to detect Windows 64-bit platform with .NET?
...onment.Is64BitOperatingSystem.
IntPtr.Size won't return the correct value if running in 32-bit .NET Framework 2.0 on 64-bit Windows (it would return 32-bit).
As Microsoft's Raymond Chen describes, you have to first check if running in a 64-bit process (I think in .NET you can do so by checking IntP...
Assertion failure in dequeueReusableCellWithIdentifier:forIndexPath:
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You're using the dequeueReusableCellWithIdentifier:forIndexPath: method. The documentation for that method says this:
Important: You must register a class or nib file using the registerNib:forCellReuseIdentifier: or registerClass:forCellReuseIdentifier: method befo...