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Comparing date part only without comparing time in JavaScript
... with a date object, you want your dates to represent UTC midnight at the start of the date in question. This is a common and necessary convention that lets you work with dates regardless of the season or timezone of their creation. So you need to be very vigilant to manage the notion of timezone, b...
Is it possible to read from a InputStream with a timeout?
...ad will block indefinitely for data and so this completes in 5s:
long start = currentTimeMillis();
int readByte = 1;
// Read data without timeout
while (readByte >= 0) {
readByte = inputStream.read();
if (readByte >= 0)
System.out.println("Read: " +...
Why is volatile needed in C?
... // set data first:
gadget->data = data;
// writing the command starts the action:
gadget->command = command;
}
Looks easy, but it can fail because the compiler is free to change the order in which data and commands are written. This would cause our little gadget to issue commands ...
Simplest way to serve static data from outside the application server in a Java web application
...side the folder, the link to the image will give response 404 unless you restart the server, is there any reason for this?
– Mateus Viccari
Apr 1 '16 at 12:28
...
How to invoke a Linux shell command from Java
...rek"));
pb.redirectErrorStream(true);
Process process = pb.start();
//Read output
StringBuilder out = new StringBuilder();
BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line = null, previous = null;
...
How to use the CancellationToken property?
... CancellationToken.None if you do not plan to cancel the operation you are starting manually. Of course when system process is killed, everything is interrupted and CancellationToken has nothing to do with that. So yes, you should only create CancellationTokenSource if you really need to use it to c...
What's the best way to share data between activities?
...putExtra("some_key", value);
intent.putExtra("some_other_key", "a value");
startActivity(intent);
On the second activity:
Bundle bundle = getIntent().getExtras();
int value = bundle.getInt("some_key");
String value2 = bundle.getString("some_other_key");
Use this method if you are passing primit...
Handling warning for possible multiple enumeration of IEnumerable
...Enumerable is so important, you should consider doing the .ToList() at the start of the method.
It's a shame .NET doesn't have an interface that is IEnumerable + Count + Indexer, without Add/Remove etc. methods, which is what I suspect would solve this problem.
...
What and where are the stack and heap?
...ts the stack is reclaimed. The heap is typically allocated at application startup by the runtime, and is reclaimed when the application (technically process) exits.
What determines the size of each of them?
The size of the stack is set when a thread is created. The size of the heap is set ...
Reading a binary file with python
...ontent = file.read()
then "unpack" binary data using struct.unpack:
The start bytes: struct.unpack("iiiii", fileContent[:20])
The body: ignore the heading bytes and the trailing byte (= 24); The remaining part forms the body, to know the number of bytes in the body do an integer division by 4; T...