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Difference between fprintf, printf and sprintf?

...on> #include <stdarg.h> #include <stdio.h> struct exception_fmt : std::exception { exception_fmt(char const* fmt, ...) __attribute__ ((format(printf,2,3))); char const* what() const throw() { return msg_; } char msg_[0x800]; }; exception_fmt::exception_fmt(char const* fm...
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How to add http:// if it doesn't exist in the URL?

... A modified version of @nickf code: function addhttp($url) { if (!preg_match("~^(?:f|ht)tps?://~i", $url)) { $url = "http://" . $url; } return $url; } Recognizes ftp://, ftps://, http:// and https:// in a case insensitive way. ...
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Python - Get path of root project structure

...tils.py In definitions.py you can define (this requires import os): ROOT_DIR = os.path.dirname(os.path.abspath(__file__)) # This is your Project Root Thus, with the Project Root known, you can create a variable that points to the location of the configuration (this can be defined anywhere, but ...
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How can I find a specific element in a List?

... setter methods (as you might be used to from Java), write private string _id; public string Id { get { return _id; } set { _id = value; } } value is a contextual keyword known only in the set accessor. It represents the value assigned to the property. Sin...
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How can i tell if an object has a key value observer attached

...SMutableArray like this: - (void)addObservedObject:(id)object { if (![_observedObjects containsObject:object]) { [_observedObjects addObject:object]; } } If you want to unobserve the objects you can do something like: for (id object in _observedObjects) { if ([object isKindOf...
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How to set Java environment path in Ubuntu

...le /etc/profile sudo gedit /etc/profile Add following lines in end JAVA_HOME=/usr/lib/jvm/jdk1.7.0 PATH=$PATH:$HOME/bin:$JAVA_HOME/bin export JAVA_HOME export JRE_HOME export PATH Then Log out and Log in ubuntu for setting up the paths... ...
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Python Process Pool non-daemonic?

... The multiprocessing.pool.Pool class creates the worker processes in its __init__ method, makes them daemonic and starts them, and it is not possible to re-set their daemon attribute to False before they are started (and afterwards it's not allowed anymore). But you can create your own sub-class o...
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pyplot axes labels for subplots

...tplotlib.pyplot as plt x = range(1, 101) y1 = [random.randint(1, 100) for _ in xrange(len(x))] y2 = [random.randint(1, 100) for _ in xrange(len(x))] fig = plt.figure() ax = fig.add_subplot(111) # The big subplot ax1 = fig.add_subplot(211) ax2 = fig.add_subplot(212) # Turn off axis lines and ti...
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Custom Drawable for ProgressBar/ProgressDialog

...e following for creating a custom progress bar. File res/drawable/progress_bar_states.xml declares the colors of the different states: <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@android:id/background"> <shape> ...
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides

...ndler DirectCast(i, INotifyPropertyChanged).PropertyChanged, AddressOf Item_PropertyChanged Next End If MyBase.OnCollectionChanged(e) End Sub Private Sub Item_PropertyChanged(ByVal sender As T, ByVal e As ComponentModel.PropertyChangedEventArgs) OnCollect...