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MPICH vs OpenMPI
...s. MPICH is supposed to be high-quality reference implementation of the latest MPI standard and the basis for derivative implementations to meet special purpose needs. Open-MPI targets the common case, both in terms of usage and network conduits.
Support for Network Technology
Open-MPI documents...
Not equal != operator on NULL
...
The only test for NULL is IS NULL or IS NOT NULL. Testing for equality is nonsensical because by definition one doesn't know what the value is.
Here is a wikipedia article to read:
https://en.wikipedia.org/wiki/Null_(SQL)
...
Make $JAVA_HOME easily changable in Ubuntu [closed]
....pam_environment". Be exceptionally careful or use a secondary account to test settings here.
– Alain O'Dea
Apr 4 '12 at 3:34
6
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Format a datetime into a string with milliseconds
... the str(datetime.datetime.utcnow()) being called in each iteration of the test vs setting it once?
– Austin Marshall
Sep 28 '11 at 22:10
add a comment
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How to calculate a time difference in C++
...robably overkill), it would look something like this [browser written, not tested]:
ptime time_start(microsec_clock::local_time());
//... execution goes here ...
ptime time_end(microsec_clock::local_time());
time_duration duration(time_end - time_start);
cout << duration << '\n';
...
How do you synchronise projects to GitHub with Android Studio?
...id Studio project to a GIT based repository solely using GUI.This has been tested with a GIT repository hosted in Visual Studio Online and should virtually work with GitHub or any other GIT based version control provider.
Note: If you are using GitHub 'Share on GitHub' is the easiest option as stat...
How serious is this new ASP.NET security vulnerability and how can I workaround it?
...the error I assume (and is almost certaint) it's an app error, but need to test this some myself. So having custom error pages would not show the padding error.
– Mikael Svenson
Sep 15 '10 at 19:55
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Remove CSS class from element with JavaScript (no jQuery) [duplicate]
...ndard way to do it is using classList. It is now widely supported in the latest version of most modern browsers:
ELEMENT.classList.remove("CLASS_NAME");
remove.onclick = () => {
const el = document.querySelector('#el');
if (el.classList.contains("red")) {
el.classList.remove("re...
How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
... Synchronous calls are handy if you want to put together a quick test harness for a REST back-end and would prefer simplicity over callback hell.
– Distortum
May 19 '14 at 2:08
...
Print PHP Call Stack
.../tmp/a.php"
["line"] => int(10)
["function"] => string(6) "a_test"
["args"]=>
array(1) {
[0] => &string(6) "friend"
}
}
[1]=>
array(4) {
["file"] => string(10) "/tmp/b.php"
["line"] => int(2)
["args"] =>
array(1) {
[0] =>...