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Does ruby have real multithreading?
...en threads . How can I create real "OS-level" threads in my application in order to make use of multiple cpu cores for processing?
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Is memcached a dinosaur in comparison to Redis? [closed]
I have worked quite a bit with memcached the last weeks and just found out about Redis. When I read this part of their readme, I suddenly got a warm, cozy feeling in my stomach:
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Retrieve version from maven pom.xml in code
...Create a .properties file in (most commonly) your src/main/resources directory (but in step 4 you could tell it to look elsewhere).
Set the value of some property in your .properties file using the standard Maven property for project version:
foo.bar=${project.version}
In your Java code, load the...
String to LocalDate
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As you use Joda Time, you should use DateTimeFormatter:
final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MMM-dd");
final LocalDate dt = dtf.parseLocalDate(yourinput);
If using Java 8 or later, then refer to hertzi's answer
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How do you convert a time.struct_time object into a datetime object?
...use datetime.fromtimestamp() to get the datetime object.
from datetime import datetime
from time import mktime
dt = datetime.fromtimestamp(mktime(struct))
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Centering a background image, using CSS
...round-repeat:no-repeat;
background-position: center center;
That should work.
If not, why not make a div with the image and use z-index to make it the background? This would be much easier to center than a background image on the body.
Other than that try:
background-position: 0 100px;/*use a p...
How to check certificate name and alias in keystore files?
I have a bunch of .keystore files and need to find one with specific CN and alias. Is there a way to do it with keytool, jarsigner or some other tool? I found a way to check if specific keystore was used to sign a specific apk, but I also need to get the alias and certificate name in each of the fil...
Is it possible to make an ASP.NET MVC route based on a subdomain?
Is it possible to have an ASP.NET MVC route that uses subdomain information to determine its route? For example:
10 Answer...
How to get a index value from foreach loop in jstl
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use varStatus to get the index c:forEach varStatus properties
<c:forEach var="categoryName" items="${categoriesList}" varStatus="loop">
<li><a onclick="getCategoryIndex(${loop.index})" href="#">${categoryName}</a></li>
<...
C++ const map element access
I tried to use the operator[] access the element in a const C++ map, but this method failed. I also tried to use "at()" to do the same thing. It worked this time. However, I could not find any reference about using "at()" to access element in a const C++ map. Is "at()" a newly added function in C++ ...