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Get most recent file in a directory on Linux
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A minor issue: This version pipes all the output of ls to tail, then prints only the LAST line. IMHO it is better to sort in ascending order and use head instead, as chaos suggested. After printing the first line head quits, so sending the next line (actually next bl...
How to exclude certain messages by TAG name using Android adb logcat?
... those calls in the background and it pushes the non "tag1|tag2|etc" calls out of the buffer. Is there a way around that?
– TheBestBigAl
Jul 31 '17 at 9:57
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What's this =! operator? [duplicate]
...n what it actually does. I wouldn't be able to interpret that comment without the code, but it definitely seems to be in agreement.
– Jules
Jan 10 '14 at 5:42
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C# switch on type [duplicate]
...ould rather use the Action action; if(@switch.TryGetValue(typeof(Type1), out action) action(); instead of searching twice.. (contains & indexers)
– Jeroen van Langen
Mar 10 '15 at 10:51
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How can I get the actual stored procedure line number from an error message?
...he actual text that SQL Server used when creating the object. Switch your output to text mode (CTRL-T with the default key mappings) and run
sp_helptext proc_name
Copy paste the results into a script window to get syntax highlighting etc, and use the goto line function (CTRL-G I think) to go to ...
Check whether an input string contains a number in javascript
...);
console.log( "Only Special symbols :\n ", matchExpression(id12) );
Out put:
Only Letters:
{containsNumber: false, containsAlphabet: true, alphaNumeric: true, onlyNumbers: false, onlyLetters: true, mixOfAlphaNumeric: false}
Only Numbers:
{containsNumber: true, containsAlphabet: false, ...
Displaying a message in iOS which has the same functionality as Toast in Android
...s disabled while dialog is showing. Maybe there is a way to remove 'grayed out' background with adding ability to interact with other views on screen (like buttons or painting canvas in my case behind the alert)?
– vir us
Sep 15 '14 at 10:54
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Get a list of all threads currently running in Java
... found that getting all stack traces via ThreadMXBean.dumpAllThreads for about 250 threads to take 150 - 200 msec while getting just the list of threads (without traces) to not be measurable (0 msec).
– Eddie
Sep 8 '11 at 15:55
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What is the difference between an IntentService and a Service? [duplicate]
...s each Intent in turn using a worker thread, and stops itself when it runs out of work.
Refer this doc - http://developer.android.com/reference/android/app/IntentService.html
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How to round an average to 2 decimal places in PostgreSQL?
...s for double precision. You can see that PostgreSQL is expanding it in the output).
You must cast the value to be rounded to numeric to use the two-argument form of round. Just append ::numeric for the shorthand cast, like round(val::numeric,2).
If you're formatting for display to the user, don'...