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How to tell if UIViewController's view is visible
... method causes the view to load (if it is not loaded) which is unnecessary and may be undesirable. It would be better to check first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem.
if (viewController.isViewLoaded && viewController.view.window) {
...
How to read a file without newlines?
...
You can read the whole file and split lines using str.splitlines:
temp = file.read().splitlines()
Or you can strip the newline by hand:
temp = [line[:-1] for line in file]
Note: this last solution only works if the file ends with a newline, otherw...
In CoffeeScript how do you append a value to an Array?
...ked the PragProg CoffeeScript book but it only discusses creating, slicing and splicing, and iterating, but not appending.
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Maven2 property that indicates the parent directory
...roject.parent.basedir}</main.basedir>
</properties>
In the grandchildren:
<properties>
<main.basedir>${project.parent.parent.basedir}</main.basedir>
</properties>
share
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How to disable editing of elements in combobox for c#?
...ethod I use because changing DropDownSyle to DropDownList makes it look 3D and sometimes its just plain ugly.
You can prevent user input by handling the KeyPress event of the ComboBox like this.
private void ComboBox1_KeyPress(object sender, KeyPressEventArgs e)
{
e.Handled = true;
}
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Suppress properties with null value on ASP.NET Web API
...rializerSettings =
new JsonSerializerSettings {NullValueHandling = NullValueHandling.Ignore};
Or, if you want more control, you can replace entire formatter:
var jsonformatter = new JsonMediaTypeFormatter
{
SerializerSettings =
{
NullValueHandling = NullValueHand...
Append a NumPy array to a NumPy array
... argument. Thus if you need to combine more than 2 arrays, vstack is more handy.
– ruhong
Oct 22 '15 at 12:57
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How to plot multiple functions on the same figure, in Matplotlib?
How can I plot the following 3 functions (i.e. sin , cos and the addition), on the domain t , in the same figure?
3 Ans...
How to stop text from taking up more than 1 line?
...ap or any other attribute that stops text from wrapping? I have a height, and overflow:hidden , and the text still breaks.
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Colorize console output in Intellij products
...custom script with a default output. I'd like to colorize errors, warnings and infos. There's a way to do that in Intellij products (IDEA, PhpStorm, PyCharm)?
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