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Array to String PHP?
What is the best method for converting a PHP array into a string?
I have the variable $type which is an array of types.
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Why is printing “B” dramatically slower than printing “#”?
...of a line and searches for a place to break the line, it sees a # almost immediately and happily breaks there; whereas with the B, it has to keep searching for longer, and may have more text to wrap (which may be expensive on some terminals, e.g., outputting backspaces, then outputting spaces to ove...
Getting the last argument passed to a shell script
$1 is the first argument.
$@ is all of them.
27 Answers
27
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How do you determine what SQL Tables have an identity column programmatically
...rsion to version) is to use the
INFORMATION_SCHEMA views:
select COLUMN_NAME, TABLE_NAME
from INFORMATION_SCHEMA.COLUMNS
where COLUMNPROPERTY(object_id(TABLE_SCHEMA+'.'+TABLE_NAME), COLUMN_NAME, 'IsIdentity') = 1
order by TABLE_NAME
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Can I set subject/content of email using mailto:?
...es.com/wowhtml/">tell a friend</a>
As alluded to in the comments, both subject and body must be escaped properly. Use encodeURIComponent(subject) on each, rather than hand-coding for specific cases.
As Hoody mentioned in the comments, you can add line breaks by adding the following ...
How to convert an Int to a String of a given length with leading zeros to align?
...it'd be f"$expr%7d".Tested in 2.12.8 REPL. No need to do the string replacement as suggested in a comment, or even put an explicit space in front of 7 as suggested in another comment.
If the length is variable, s"%${len}d".format("123")
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Upload failed You need to use a different version code for your APK because you already have one wit
...droid:versionCode="28"
Your previous versionCode was 28. You should increment it by 1 to 29.
android:versionCode="29"
Presumably, your previous app versions were 1 through 28. By releasing with versionCode 3, you are conflicting with a previous version of your app that was already released with...
Setting an int to Infinity in C++
I have an int a that needs to be equal to "infinity". This means that if
6 Answers
6...
Least common multiple for 3 or more numbers
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a recursive algorithm definition does not necessarily mean a recursive subroutine. You can implement this in a loop pretty simply. Thanks for the perfect answer.
– Marius
Jun 27 '14 at 16:43
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How to close current tab in a browser window?
...other tabs in the browser. When the user clicks the close link, an alert message should appear asking the user to confirm with two buttons, "YES" and "NO". If the user clicks "YES", close that page and If "NO", do nothing.
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