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How to get current time and date in Android
How can I get the current time and date in an Android app?
40 Answers
40
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What is ActiveMQ used for - can we apply messaging concept using a Database?
I looked it up and it used to send messages between 2 systems.
But why? Why wouldn't you just use a Database ?
There must be some feature that ActiveMQ has that Databases do not?
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Get value of a string after last slash in JavaScript
I am already trying for over an hour and cant figure out the right way to do it, although it is probably pretty easy:
10 An...
How to get everything after last slash in a URL?
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You don't need fancy things, just see the string methods in the standard library and you can easily split your url between 'filename' part and the rest:
url.rsplit('/', 1)
So you can get the part you're interested in simply with:
url.rsplit('/', 1)[-1]
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C/C++ maximum stack size of program
...nment variable in the OS. You can then check the stack size with ulimit -s and set it to a new value with for example ulimit -s 16384.
Here's a link with default stack sizes for gcc.
DFS without recursion:
std::stack<Node> dfs;
dfs.push(start);
do {
Node top = dfs.top();
if (top is ...
What does = +_ mean in JavaScript
...page on Arithmetic Operators:
The unary plus operator precedes its operand and evaluates to its
operand but attempts to converts it into a number, if it isn't
already. [...] It can convert string representations of integers and
floats, as well as the non-string values true, false, and null...
How can I find all of the distinct file extensions in a folder hierarchy?
On a Linux machine I would like to traverse a folder hierarchy and get a list of all of the distinct file extensions within it.
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Opposite of %in%: exclude rows with values specified in a vector
... to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in%
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UILabel - auto-size label to fit text?
...etch the height, but you can change it around easily to work the other way and stretch the width with something like this, which is I believe what you want to do:
@implementation UILabel (dynamicSizeMeWidth)
- (void)resizeToStretch{
float width = [self expectedWidth];
CGRect newFrame = [se...
Why does ConcurrentHashMap prevent null keys and values?
...s same ie, ambiguities. For example suppose one thread makes a key as null and stores a value against it. Then another thread changed another key to null. When second thread tries to add new value, it will be replaced. If second thread tries to get value, it will get the value for a different key, t...