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How to get full path of a file?
...
on MAC: install homebrew then brew install coreutils then greadlink -f file.txt
– To Kra
Oct 16 '15 at 9:28
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Clear text from textarea with selenium
... the "Keys.BACK_SPACE". I just capture the search test field, run .click() then inside a for loop run the code. it removes all the charterers the search field previously had. then send new value to the search field. Just .clear() function was not working for me.
– Noman_ibrahim...
Is there a Java reflection utility to do a deep comparison of two objects?
...re is that if someone went to the effort to write a custom equals() method then it should be used. Future enhancement: allow flag to have it ignore equals() methods even if they exist. There are useful utilities in java-util, like CaseInsensitiveMap / Set.
– John DeRegnaucour...
background:none vs background:transparent what is the difference?
...e for any of the half-dozen properties that background is a shorthand for, then it is set to its default value. none and transparent are the defaults.
One explicitly sets the background-image to none and implicitly sets the background-color to transparent. The other is the other way around.
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Convert nullable bool? to bool
...oing to convert it to a bool to pass on to other parts of the application, then the Null Coalesce operator is what you want.
bool? b = ...;
bool b2 = b ?? true; // null becomes true
b2 = b ?? false; // null becomes false
If you've already checked for null, and you just want the value, then access...
Jackson: how to prevent field serialization
...an's comment should be the answer, shouldn't it? Why is it still a comment then...!..?
– Saravanabalagi Ramachandran
Oct 22 '15 at 14:04
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Set “this” variable easily?
...nction takes the object which you want to use as this as a first argument. Then the remainder of the arguments are the respective arguments of the function which is called.
Function.prototype.apply(): This function takes the object which you want to use as this as a first argument. Then the second ...
Why static classes cant implement interfaces? [duplicate]
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The question would then be why can't interfaces have static methods (or why can't interface methods be treated as both static and instance depending on how they're implemented)? Which basically goes back to the original question. Which tends to...
Can't escape the backslash with regex?
...g parser will remove two of them when "de-escaping" it for the string, and then the regex needs two for an escaped regex backslash).
For instance:
regex("\\\\")
is interpreted as...
regex("\\" [escaped backslash] followed by "\\" [escaped backslash])
is interpreted as...
regex(\\)
is inter...
How to make all Objects in AWS S3 bucket public by default?
... the details such as:
In Action select "GetObject"
Select "Add Statement"
Then select "Generate Policy"
Copy the text example:
{
"Id": "Policy1397632521960",
"Statement": [
{
"Sid": "Stmt1397633323327",
"Action": [
"s3:GetObject"
],
"Effect": "Allow",
...