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How do I put a variable inside a string?
...avefig('hanning(%d).pdf' % num)
The % operator, when following a string, allows you to insert values into that string via format codes (the %d in this case). For more details, see the Python documentation:
https://docs.python.org/3/library/stdtypes.html#printf-style-string-formatting
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How to get document height and width without using jquery
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You should use getBoundingClientRect as it usually works cross browser and gives you sub-pixel precision on the bounds rectangle.
elem.getBoundingClientRect()
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Difference between viewDidLoad and viewDidAppear
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viewDidLoad is called exactly once, when the view controller is first loaded into memory. This is where you want to instantiate any instance variables and build any views that live for the entire lifecycle of this view controller. However, t...
Get selected option text with JavaScript
... .innerText for .text() method operation? It is not by standards, it is totally wrong because it doesn't use .text. Where are the downvotes?
– VisioN
Feb 20 '13 at 10:11
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Real escape string and PDO [duplicate]
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You should use PDO Prepare
From the link:
Calling PDO::prepare() and PDOStatement::execute() for statements that will be issued multiple times with different parameter values optimizes the performance of your application by allowing the driver to negotiate client and/...
Reduce, fold or scan (Left/Right)?
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In general, all 6 fold functions apply a binary operator to each element of a collection. The result of each step is passed on to the next step (as input to one of the binary operator's two arguments). This way we can cumulate a result.
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How to create custom exceptions in Java? [closed]
...ooException(Throwable cause) { super(cause); }
}
Methods that can potentially throw or propagate this exception must declare it:
public void calculate(int i) throws FooException, IOException;
... and code calling this method must either handle or propagate this exception (or both):
try {
int...
Prevent the keyboard from displaying on activity start
...g both in code, and in xml! Indeed, this is the most correct answer! Especially since it was probably that 3 minutes you spent writing both methods that made you not first ;-)
– eric
Apr 21 '17 at 1:13
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Escape text for HTML
... (see this answer for details). So, for example, SecurityElement.Escape is allowed to use ', while HtmlEncode is not.
– Alex
Dec 19 '13 at 9:38
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sql server #region
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Not really, Sorry! But...
Adding begin and end.. with a comment on the begin creates regions which would look like this...bit of hack though!
Otherwise you can only expand and collapse you just can't dictate what should be expa...