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What is a StackOverflowError?
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Ha ha ha, so here it is: while (points < 100) {addMouseListeners(); moveball(); checkforcollision(); pause(speed);} Wow do I feel lame for not realizing that I would end up with a stackfull of mouse listeners... Thanks guys!
– Ziggy
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Run php script as daemon process
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+100
You could start your php script from the command line (i.e. bash) by using
nohup php myscript.php &
the & puts your p...
SortedList, SortedDictionary and Dictionary
...4. Anything beyond will see your 2:1 ratio quickly go up. For example if n=100 then you should have O(log n) = 15. Following a similiar thinking, your O(1) would weight 100. Conclusion: O(n) looses the battle fairly quickly. If it does not, it means your array is small, and then efficiency is not a ...
Threads vs Processes in Linux
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Yes, I do have some data. I ran a test that creates 100,000 processes and a test that creates 100,000 threads. The thread version ran about 9x faster (17.38 seconds for processes, 1.93 for threads). Now this does only test creation time, but for short-lived tasks, creation ti...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...s also much faster on larger DataFrames
df = pd.DataFrame({'a': [1,2,3] * 100000, 'b': [2,3,4] * 100000})
DataFrame created with 300,000 rows
%timeit df["A1"], df["A2"] = calculate(df['a'])
2.65 ms ± 92.4 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
%timeit df["A1"], df["A2"] = z...
Is there a cross-domain iframe height auto-resizer that works?
... <iframe id="IframeId" src="http://xyz.pqr/contactpage" style="width:100%;" onload="setIframeHeight(this)"></iframe>
</div>
Next you have to bind windows "message" event under web page "abc.com/page"
window.addEventListener('message', function (event) {
//Here We have to check...
Is there a use-case for singletons with database access in PHP?
...nswered Nov 1 '12 at 18:34
unity100unity100
77088 silver badges1616 bronze badges
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WaitAll vs WhenAll
... Task[] taskArray = { Task.Factory.StartNew(() => WaitAndThrow(1, 1000)),
Task.Factory.StartNew(() => WaitAndThrow(2, 2000)),
Task.Factory.StartNew(() => WaitAndThrow(3, 3000)) };
Task.WaitAll(taskArray);
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Bootstrap combining rows (rowspan)
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100
Divs stack vertically by default, so there is no need for special handling of "rows" within a ...
SQLite Concurrent Access
...r server applications, somebody some time ago said that anything less than 100K page views a day could be handled perfectly by a SQLite database in typical scenarios (e.g. blogs, forums), and I have yet to see any evidence to the contrary. In fact, with modern disks and processors, 95% of web sites ...