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Why are local variables not initialized in Java?
...finally {
so.CleanUp(); // Compiler error here
}
The commenter's complaint is that the compiler balks at the line in the finally section, claiming that so might be uninitialized. The comment then mentions another way of writing the code, probably something like this:
// Do some work here ...
So...
How to trim leading and trailing white spaces of a string?
...s.
(example: the string value of {"first_name":" I have whitespace "} will convert to "\" I have whitespace \"")
Before you can trim anything, you'll need to remove the extra quotes first:
playground example
// ScrubString is a string that might contain whitespace that needs scrubbing.
type ScrubStr...
How to check for Is not Null And Is not Empty string in SQL server?
...? You are wrong though. If there is a covering index on Col SQL Server can convert <> to two range seeks on <'' and >''
– Martin Smith
Jul 16 at 8:27
add a comment...
How to change the decimal separator of DecimalFormat from comma to dot/point?
I have this little crazy method that converts BigDecimal values into nice and readable Strings.
6 Answers
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How do I create directory if it doesn't exist to create a file?
...
var filePath = context.Server.MapPath(Convert.ToString(ConfigurationManager.AppSettings["ErrorLogFile"]));
var file = new FileInfo(filePath);
file.Directory.Create(); If the directory already exists, this method does nothing.
var sw = new StreamWriter(filePath...
Why would $_FILES be empty when uploading files to PHP?
...ES, not smart quotes pasted in from Word OR from a website blog (WordPress converts straight quotes to angle quotes!). If you have multiple forms on the page, make sure they both have this attribute. Type them in manually, or try straight single quotes typed in manually.
Make sure you do not have tw...
Using str_replace so that it only acts on the first match?
...ecause of preg_quote's second parameter (one can easily test that). I'd be interested to hear about specific issues (which would be serious PCRE security bugs in my book).
– MvanGeest
Jan 31 '17 at 2:30
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How to check internet access on Android? InetAddress never times out
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Network connection / Internet access
isConnectedOrConnecting() (used in most answers) checks for any network connection
To know whether any of those networks have internet access, use one of the following
A) Ping a Server (easy)
// ICMP
pub...
Ruby regular expression using variable name
...It used to be that a string replacement argument to gsub was automatically converted to a regular expression. I know it was that way in 1.6. I don't recall which version introduced the change).
As noted in other answers, you can use Regexp.new as an alternative to interpolation:
var = "*This*"
s...
How does Trello access the user's clipboard?
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Daniel LeCheminant's code didn't work for me after converting it from CoffeeScript to JavaScript (js2coffee). It kept bombing out on the _.defer() line.
I assumed this was something to do with jQuery deferreds, so I changed it to $.Deferred() and it's working now. I tested i...