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How to detect Safari, Chrome, IE, Firefox and Opera browser?
...lt to prevent it from needing to work it out the next time the function is called.
Reading file contents on the client-side in javascript in various browsers
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shouldn't the event handlers be attached before calling readAsText ?
– goofballLogic
Jan 19 '18 at 14:19
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Angular JS: What is the need of the directive’s link function when we already had directive’s contro
... Great explanation. Would like to mention that the controller gets called before link function.
– jsbisht
Aug 3 '15 at 15:45
39
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Difference between exit(0) and exit(1) in Python
...r code means a successful exit.
This is useful for other programs, shell, caller etc. to know what happened with your program and proceed accordingly.
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An “and” operator for an “if” statement in Bash
...ename; then foo bar; fi, etc. annoying, on most systems you find a program called [ which is in fact only a symlink to the test program. When test is called as [, you have to add ] as the last positional argument.
So if test -f filename is basically the same (in terms of processes spawned) as if [ -...
How to specify id when uses include in layout xml file
...ml file, I have included other layout xml file (each
with a different android id).
11 Answers
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MySQL INNER JOIN select only one row from second table
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You need to have a subquery to get their latest date per user ID.
SELECT a.*, c.*
FROM users a
INNER JOIN payments c
ON a.id = c.user_ID
INNER JOIN
(
SELECT user_ID, MAX(date) maxDate
FROM payments
GROUP BY user_ID
) b ON c.user_ID = b....
curl -GET and -X GET
Curl offers a series of different http method calls that are prefixed with a X, but also offers the same methods without. I've tried both and I can't seem to figure out the difference. Can someone explain to me quickly how these two operations differ?
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What are the best practices for catching and re-throwing exceptions?
...straction (with exception chaining)
A third case is where you want to logically group many possible failures under a bigger umbrella. An example for logical grouping:
class ComponentInitException extends Exception {
// public constructors etc as in Exception
}
class Component {
public fun...
when using AlertDialog.Builder with EditText, the Soft Keyboard doesn't pop
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When you call showDialog() to show a Dialog created using AlertDialog in onCreateDialog()
You should put the code in onPrepareDialog():
@Override
protected void onPrepareDialog (int id, Dialog dialog, Bundle args)
{
TextView editT...