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Iterate through a HashMap [duplicate]
...y might be time-consuming (this method in different Map implementations is 20%-200% slower than method #1). If you have FindBugs installed, it will detect this and warn you about inefficient iteration. This method should be avoided.
Conclusion:
If you need only keys or values from the map, use met...
Python matplotlib multiple bars
...bar group. 0.8 means that 80% of the x-axis is covered
by bars and 20% will be spaces between the bars.
single_width: float, optional, default: 1
The relative width of a single bar within a group. 1 means the bars
will touch eachother within a group, values less than 1 w...
What is the difference between “word-break: break-all” versus “word-wrap: break-word” in CSS
... @MarioDS it applies to "very international websites" or, as 20% of the world calls them, "websites"
– fregante
Nov 29 '16 at 13:16
...
What's the fastest way to read a text file line-by-line?
... If you read the stream as byte arrays It will read the file from 20%~80% faster (from the tests I did). What you need is to get the byte array and convert it to string. That's how I did it: For reading use stream.Read() You can make a loop to make it read in chunks. After appending the ...
Performance - Date.now() vs Date.getTime()
...e, Date.now() still wins over new Date() or the like, though only by about 20% on my Chrome and by a tiny amount on IE.
See my JSPERF on
timeStamp2.setTime(Date.now()); // set to current;
vs.
timeStamp1 = new Date(); // set to current;
http://jsperf.com/new-date-vs-settime
...
Should I impose a maximum length on passwords?
...duced short hard-to-brute-force passwords, but I had to abandon it when 10-20% of the sites I used forbid common special characters.
– Sparr
Dec 16 '10 at 22:45
...
Draw on HTML5 Canvas using a mouse
...color(this)"></div>
<div style="position:absolute;top:20%;left:43%;">Eraser</div>
<div style="position:absolute;top:22%;left:45%;width:15px;height:15px;background:white;border:2px solid;" id="white" onclick="color(this)"></div>
<img id="...
How do you get centered content using Twitter Bootstrap?
...ine-block; text-align: left; padding-top: 25%; padding-bottom: 20%; margin-top: auto; margin-bottom: auto; } .className-of-Grid-column { vertical-align:middle; text-align: center; }
– user3188040
Apr 12 '17 at 8:05
...
warning about too many open figures
...ure within a batch, and this little sample program slowed from 41s to 49s (20% slower) when I just called close() after every plot.
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What is the gain from declaring a method as static
... object's
fields, make your method static. Invocations will be about 15%-20%
faster. It's also good practice, because you can tell from the method
signature that calling the method can't alter the object's state.
http://developer.android.com/training/articles/perf-tips.html#PreferStatic
...