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Prevent form submission on Enter key press
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Instead of eval, you could build an array of the valid functions, then use .indexOf() to check whether the user's input is in that array, and call the function if it is. Reduces scope for errors/users screwing up.
– Wk_of_Angmar
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Java RegEx meta character (.) and ordinary dot?
...ectly copy paste :
String imageName = "picture1.jpg";
String [] imageNameArray = imageName.split("\\.");
for(int i =0; i< imageNameArray.length ; i++)
{
system.out.println(imageNameArray[i]);
}
And what if mistakenly there are spaces left before or after "." in such cases? It's always best...
What is java interface equivalent in Ruby?
...ded to. This is very useful in unit tests, where you can simply pass in an Array or a String instead of a more complicated Logger, even though Array and Logger do not share an explicit interface apart from the fact that they both have a method called <<.
Another example is StringIO, which impl...
How to remove part of a string? [closed]
...up here. In fact, using the capture group unnecessarily bloats the $match array. Remove the parentheses then acces via $match[0].
– mickmackusa
Feb 28 at 4:21
add a comment
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Get names of all keys in the collection
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You can use aggregation with the new $objectToArray aggregation operator in version 3.4.4 to convert all top key-value pairs into document arrays, followed by $unwind and $group with $addToSet to get distinct keys across the entire collection. (Use $$ROOT for referencing...
How can I pretty-print JSON using Go?
...eed that, go for it, but I didn't. If you just need to pretty-print a byte array, plain Indent is your friend.
Here's what I ended up with:
import (
"bytes"
"encoding/json"
"log"
"net/http"
)
func HandleCSPViolationRequest(w http.ResponseWriter, req *http.Request) {
body := Ap...
“:” (colon) in C struct - what does it mean? [duplicate]
... integer value.
If the value is zero, the declaration has no declarator. Arrays of bit
fields, pointers to bit fields, and functions returning bit fields are
not allowed. The optional declarator names the bit field. Bit fields
can only be declared as part of a structure. The address-of opera...
Convert Set to List without creating new List
...argument, and your set is a Collection.
List<String> mainList = new ArrayList<String>();
mainList.addAll(set);
EDIT: as respond to the edit of the question.
It is easy to see that if you want to have a Map with Lists as values, in order to have k different values, you need to create k...
How to delete all the rows in a table using Eloquent?
...is got me on my way. I ended up doing a pluck() on another model to get an array of the ID's I needed, then used that array to delete all the records from my model using the whereIn method: $itemsAllContentIDs = Item::where('user_id', $userId)->pluck('item_content_id')->all(); ItemsContent::w...
Convert an image (selected by path) to base64 string
... {
image.Save(m, image.RawFormat);
byte[] imageBytes = m.ToArray();
// Convert byte[] to Base64 String
string base64String = Convert.ToBase64String(imageBytes);
return base64String;
}
}
...