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How to repeat a string a variable number of times in C++?
..., e.g. on Sandybridge, ~15 to 40 cycles, plus 4 cycles per 64B cache line (best case). For small copies, an SSE loop is best because it doesn't have the startup overhead. But then it's subject to branch mispredicts.
– Peter Cordes
May 1 '16 at 2:46
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Convert PDF to image with high resolution
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This should be the best answer, not the current one. Also, this is needed as well on Ubuntu: mv /etc/ImageMagick-6/policy.xml /etc/ImageMagick-6/policy.xmlout when convert fails (source: askubuntu.com/a/1081907)
– Costin G...
Count rows with not empty value
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Here's what I believe is the best solution so far:
=CountIf(ArrayFormula(range<>""),TRUE)
Here's why in 3 easy steps
Step 1: Simple As Pie - Add Extra Column
The answer by eniacAvenger will yield the correct solution without worrying about edg...
Why does C# forbid generic attribute types?
... validation is required depending on the type, an attribute may not be the best approach.
Perhaps a validation class that takes in a SomeCustomValidationDelegate or an ISomeCustomValidator as a parameter would be a better approach.
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How to write LaTeX in IPython Notebook?
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Gotcha. The best solution for that right now would be to use 'raw' cells instead of markdown, and just type LaTeX as you would. Then use nbconvert to turn the ipynb to TeX (code, figures and all), and run latex to render that to PDF, et...
Calling Java from Python
What is the best way to call java from python?
(jython and RPC are not an option for me).
9 Answers
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Java maximum memory on Windows XP
... Sorry for following up on an ages old question, but this is the best answer i have seen so far. But why does the JVM fail at startup if it cannot get the maximum heap size? Shouldn't it quietly settle for the best size above minimum?
– Stroboskop
Jul...
Specify sudo password for Ansible
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From the security perspective the best answer, if you add the following: history -c after execution of the yml.
– kiltek
Feb 29 '16 at 16:45
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Detect if Android device has Internet connection
...The code you've provided only checks if there is a network connection.
The best way to check if there is an active Internet connection is to try and connect
to a known server via http.
public static boolean hasActiveInternetConnection(Context context) {
if (isNetworkAvailable(context)) {
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Abort Ajax requests using jQuery
...server is starting a very expensive operation due to the AJAX request, the best you can do is open your server to listen for cancel requests, and send a separate AJAX request notifying the server to stop whatever it's doing.
Otherwise, simply ignore the AJAX response.
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