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How to convert a table to a data frame
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X3 X4 X5
4 1 8 2
6 2 4 1
8 12 0 2
If the column names do not start with numbers, the X won't get added to the front of them.
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
... be a minor artifact of the indirect addressing. Either way, the processor starts to hit other bottlenecks once you reach this speed.
To test this, I used inline assembly to bypass the compiler and get exactly the assembly I want. I also split up the count variable to break all other dependencies...
What does this symbol mean in IntelliJ? (red circle on bottom-left corner of file name, with 'J' in
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The first answer from irreputable above that starts out with "you need to specify the source dir" is correct, but I don't see him telling you the easy way to do so.
Simply right click on the java sources folder ("java" under src/main/java if it is a Maven project for e...
Package structure for a Java project?
...t's worth, my own personal guidelines that I tend to use are as follows:
Start with reverse domain, e.g. "com.mycompany".
Use product name, e.g. "myproduct". In some cases I tend to have common packages that do not belong to a particular product. These would end up categorized according to the f...
jquery: $(window).scrollTop() but no $(window).scrollBottom()
...rollTop();
Here is a small ugly test that works for me:
// SCROLLTESTER START //
$('<h1 id="st" style="position: fixed; right: 25px; bottom: 25px;"></h1>').insertAfter('body');
$(window).scroll(function () {
var st = $(window).scrollTop();
var scrollBottom = $(document).height() ...
if…else within JSP or JSTL
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because you get content assist out-of-the-box, for a start. And because webdevs can use it without learning yet-another-dsl
– Bozho
Dec 25 '15 at 20:26
a...
How to use “raise” keyword in Python [duplicate]
...ack will include the whole stack, from the point where your Python program started up to the place where the exception was raised. So it doesn't matter where in the stack your handler is located, really. If you need to re-raise the exception after handling, use raise, nothing else.
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Adding header for HttpURLConnection
... try {
/************** For getting response from HTTP URL start ***************/
URL object = new URL(url);
HttpURLConnection connection = (HttpURLConnection) object
.openConnection();
// int timeOut = connection.getReadTimeou...
How to use `subprocess` command with pipes
...fer (because you haven't called ps.stdout.close() in the parent). Swap the starting order, to avoid it
– jfs
Mar 22 '16 at 17:23
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Processing Symbol Files in Xcode
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In my case symbolicating was take forever. I force restart my phone with both of on/off and home button. Now quickly finished symbolicating and I am starting run my app via xcode.
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