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Simplest code for array intersection in javascript
...riginal question saying that the contents are expected to contain arrays. Now, you'd be right to say that unexpected input should be handled, but if the spec already happened to dictate that input must be arrays of numbers (as I assumed) then the code would be fine.
– atk
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How to capture UIView to UIImage without loss of quality on retina display
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The currently accepted answer is now out of date, at least if you are supporting iOS 7.
Here is what you should be using if you are only supporting iOS7+:
+ (UIImage *) imageWithView:(UIView *)view
{
UIGraphicsBeginImageContextWithOptions(view.bounds.s...
Jackson enum Serializing and DeSerializer
...Note that as of this commit in June 2015 (Jackson 2.6.2 and above) you can now simply write:
public enum Event {
@JsonProperty("forgot password")
FORGOT_PASSWORD;
}
The behavior is documented here: https://fasterxml.github.io/jackson-annotations/javadoc/2.11/com/fasterxml/jackson/annotation...
Collection was modified; enumeration operation may not execute
...ked. Also try using a for instead of a foreach, See this and this. Let me know if that solves it.
– Mohammad Sepahvand
Apr 21 '14 at 6:09
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When should I use Debug.Assert()?
I've been a professional software engineer for about a year now, having graduated with a CS degree. I've known about assertions for a while in C++ and C, but had no idea they existed in C# and .NET at all until recently.
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What is a Python egg?
...ust always be placed under the same parent directory. This allows what are now huge monolithic packages to be distributed as separate components.)
They allow applications or libraries to specify the needed version of a library, so that you can e.g. require("Twisted-Internet>=2.0") before doing an...
“NODE_ENV” is not recognized as an internal or external command, operable command or batch file
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exactly what @roroinpho21 says. now I have to .trim() the value later to make process.env.NODE_ENV == 'production' work. Anyway to avoid this in a oneliner?
– Flion
Jul 27 '17 at 8:25
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How to find the mime type of a file in python?
... the files are stored in BLOBs, as specified in the question, you may not know the file extension.
– Mechanical snail
Aug 1 '11 at 6:05
56
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How can I remove the first line of a text file using bash/sed script?
...il
Shell redirects stdout of the tail process to $FILE
tail reads from the now empty $FILE
If you want to remove the first line inside the file, you should use:
tail -n +2 "$FILE" > "$FILE.tmp" && mv "$FILE.tmp" "$FILE"
The && will make sure that the file doesn't get overwrit...
Set keyboard caret position in html textbox
Does anybody know how to move the keyboard caret in a textbox to a particular position?
9 Answers
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