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Display current time in 12 hour format with AM/PM
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Easiest way to get it by using date pattern - h:mm a, where
h - Hour in am/pm (1-12)
m - Minute in hour
a - Am/pm marker
Code snippet :
DateFormat dateFormat = new SimpleDateFormat("hh:mm a");
Read more on documentation - SimpleDateFormat ...
Regular expression for a string containing one word but not another
... @Kobi: This should have been a look-ahead, corrected. Oh and by the way, I did not suspect it was your down-vote.
– Tomalak
Jun 1 '10 at 20:48
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Git interactive rebase no commits to pick
..., you can use the HEAD~5 shorthands or use sha checksum (which you can get by git log)
In fact any commit will do if it is prior/ancestor to the commits which you want to delete/edit/reword in the tree. This will list all the commits since the <latest-commit-to-be-retained> in the editor(defi...
Java 8 functional interface with no arguments and no return value
...n't seem right to me to use Runnable where it's not intended for execution by a thread; seems misleading. Runnable is defined as a FunctionalInterface because it meets the specification of a functional interface and can be created using lambda syntax. Why not create your own functional interface? se...
How to find Unused Amazon EC2 Security groups
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A security group may also be in use by an ELB. This command will list the uniq set of security group IDs referenced by ELBs in the default region: aws elb describe-load-balancers --query 'LoadBalancerDescriptions[*].SecurityGroups[*]' --output text | tr '\t' '...
Best practices for exception management in Java or C# [closed]
...ns
with respect to checked exceptions.
Could you clarify what you mean by
those two issues?
Anders Hejlsberg: Let's start with
versioning, because the issues are
pretty easy to see there. Let's say I
create a method foo that declares it
throws exceptions A, B, and C. In
version ...
Check if element is visible in DOM
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If you're interested in visible by the user:
function isVisible(elem) {
if (!(elem instanceof Element)) throw Error('DomUtil: elem is not an element.');
const style = getComputedStyle(elem);
if (style.display === 'none') return false;
if (s...
“Submit is not a function” error in JavaScript
... you're stuck with your submit button being #submit, you can get around it by stealing another form instance's submit() method, eg: document.createElement('form').submit.call(document.frmProduct).
– Neil E. Pearson
Apr 21 '13 at 7:23
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Microsoft.Office.Core Reference Missing
... Microsoft.Office.Core from COM components tab in the add reference window by adding reference of Microsoft Office 12.0 Object Library. The screen shot will shows what component you need.
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Hidden features of C
...rs to implement, e.g., fast indirect-threaded code interpreters (FORTH) or byte-code dispatchers, or to simulate OO-like virtual methods.
Then there are hidden gems in the standard library, such as qsort(),bsearch(), strpbrk(), strcspn() [the latter two being useful for implementing a strtok() repl...