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Check if a path represents a file or a folder
...for the following example:
Path path = Paths.get("/some/path/to/dir/file.txt");
System.out.println(Files.isDirectory(path)); //return false
System.out.println(Files.isRegularFile(path)); // return false
So we see that in both case system return false. This is true for both java.io.File and jav...
Difference between volatile and synchronized in Java
...// gets current copy
...
int cod=myCopy.getErrorCode();
String txt=myCopy.getErrorText();
return (cod+" - "+txt);
}
// And so on, with myCopy always in a consistent state within and across calls
// Eventually we will return to the code that gets the current SomeObject.
Speaking...
Can't access RabbitMQ web management interface after fresh install
...since the version 3.3.0
http://www.rabbitmq.com/release-notes/README-3.3.0.txt
server
------
...
25603 prevent access using the default guest/guest credentials except via
localhost.
If you want enable the guest user read this or this RabbitMQ 3.3.1 can not login with guest/guest
# remov...
Is there a Subversion command to reset the working copy?
...up D:\tmp\sql --remove-unversioned
Out:
D D:\tmp\sql\update\abc.txt
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Reading settings from app.config or web.config in .NET
...countoffiles" value="7" />
<add key="logfilelocation" value="abc.txt" />
</appSettings>
</configuration>
You read the above application settings using the code shown below:
using System.Configuration;
You may also need to also add a reference to System.Configuration i...
Check if a string has white space
...c.
function checkNumeric() {
var numericVal = document.getElementById("txt_numeric").value;
if(isNaN(numericVal) || numericVal == "" || numericVal == null || numericVal.indexOf(' ') >= 0) {
alert("Please, enter a numeric value!");
isValid = false;
} else {
isV...
Find which version of package is installed with pip
... @techtonik: It's for freezing current modules to a requirements.txt.
– Hugo
Feb 15 '14 at 10:59
@Hugo: I'd ...
How can you do anything useful without mutable state?
... that. As I said, this means f(x) = y every time. So e.g. readFile("myFile.txt") would need to return the same string value every time. Not too useful.
Therefore, every FP provides some means of mutating state. "Pure" functional languages (e.g. Haskell) do this using somewhat scary concepts such as...
How to get Sinatra to auto-reload the file after each change?
...dalone, just create a tmp/always_restart file:
$ touch tmp/always_restart.txt
See Passenger documentation for more info.
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Microsoft Azure: How to create sub directory in a blob container
...
To add on to what Egon said, simply create your blob called "folder/1.txt", and it will work. No need to create a directory.
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