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Why doesn't os.path.join() work in this case?
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The latter strings shouldn't start with a slash. If they start with a slash, then they're considered an "absolute path" and everything before them is discarded.
Quoting the Python docs for os.path.join:
If a component is an absolut...
Performance of Find() vs. FirstOrDefault() [duplicate]
...r Diana within a large sequence of a simple reference type having a single string property.
2 Answers
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How do you format an unsigned long long int using printf?
...uments are passed to printf without any type information, so if the format string is incorrect, the result is unpredictable.
– dmitrii
Jan 23 '12 at 23:10
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Setting WPF image source in code
... some method or class that the XAML parser uses to convert the simple path string to an ImageSource? Couldn't we just use that?
– Qwertie
Jun 2 '11 at 16:48
1
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Python “extend” for a dictionary
...li
Note: In Python 3, this will only work if every key in basket_two is a string.
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How to check for null in Twig?
...NULL, and not any other value that evaluates to false (such as zero, empty string and empty array). Besides, it will cause an error if var is not defined. A safer way would be:
{% if var is not defined or var is null %}
which can be shortened to:
{% if var|default is null %}
If you don't provi...
What are these attributes: `aria-labelledby` and `aria-hidden`
...ributes are called as ARIA attribute states and model
aria-labelledby: Identifies the element (or elements) that labels the current element.
aria-hidden (state): Indicates that the element and all of its descendants are not visible or perceivable to any user as implemented
by the author....
Save An Image To Application Documents Folder From UIView On IOS
...thForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsPath = [paths objectAtIndex:0]; //Get the docs directory
NSString *filePath = [documentsPath stringByAppendingPathComponent:@"image.png"]; //Add the file name
[pngData writeToFile:filePath atomically:YES]; /...
Is there a difference between x++ and ++x in java?
...you javac this Y.java class:
public class Y {
public static void main(String []args) {
int y = 2;
y = y++;
}
}
and javap -c Y, you get the following jvm code (I have allowed me to comment the main method with the help of the Java Virtual Machine Specification):
public cla...
Rendering JSON in controller
...r application as a Single Page Application (SPA) and you need your client-side JavaScript to be able to pull in additional data without fully reloading the page.
or
B) You are building an API that third parties will be consuming and you have decided to use JSON to serialize your data.
Or, possibl...