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What are five things you hate about your favorite language? [closed]
...ld be matched to another NULL value. If you understand this (what also is called ternary logic) than you might understand the reason for introducing the "IS" operator for testing against NULL.
– Alex
Aug 26 '10 at 16:58
...
read complete file without using loop in java
...
If the file is small, you can read the whole data once:
File file = new File("a.txt");
FileInputStream fis = new FileInputStream(file);
byte[] data = new byte[(int) file.length()];
fis.read(data);
fis.close();
String str = new String(data, ...
Handling a colon in an element ID in a CSS selector [duplicate]
...mpatibility mode. This other answer to this same question did work. basically \3A instead of \:.
– Merlyn Morgan-Graham
Mar 30 '12 at 2:32
...
Is it possible to view RabbitMQ message contents directly from the command line?
...the specifics of management.
http://www.rabbitmq.com/management.html
Finally once set up you will need to follow the instructions below to install and use the rabbitmqadmin tool. Which can be used to fully interact with the system.
http://www.rabbitmq.com/management-cli.html
For example:
rabbi...
Regular expression for first and last name
... I would escape the special characters in these regexps - especially . (decimal point/dot/full stop) since it's the regexp wildcard =)
– Joel Purra
Aug 8 '12 at 18:45
32...
Is it considered bad practice to perform HTTP POST without entity body?
...example below) doesn't have a parameter to accept a body.
the method "post_disable_db" just accepts a path parameter "db_name" and doesn't have a 2nd parameter which would imply a mandatory body.
@router.post('/{db_name}/disable',
status_code=HTTP_200_OK,
response_model=R...
Is it possible to ping a server from Javascript?
...ther parts of the source but you get the idea).
function Pinger_ping(ip, callback) {
if(!this.inUse) {
this.inUse = true;
this.callback = callback
this.ip = ip;
var _that = this;
this.img = new Image();
this.img.onload = function() {_that.good();};
this.img.onerro...
How can we programmatically detect which iOS version is device running on? [duplicate]
...j/CJAMacros/blob/master/CJAMacros/CJAMacros.h
Like this:
#define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersi...
C# Lazy Loaded Automatic Properties
... 4.0 Lazy<T> type to create this pattern
private Lazy<string> _someVariable =new Lazy<string>(SomeClass.IOnlyWantToCallYouOnce);
public string SomeVariable => _someVariable.Value;
This code will lazily calculate the value of _someVariable the first time the Value expression i...
Assignment in an if statement
... = value as T;
if (t != null)
{
action(t);
}
}
Then call it with:
animal.AsIf<Dog>(dog => {
// Use dog in here
});
Alternatively, you could combine the two:
public static void AsIf<T>(this object value, Action<T> action) where T : class
{
// EVI...