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How to write asynchronous functions for Node.js
...difference is that they are not executed immediately but passed around as callbacks.
How should I implement error event handling correctly
Generally API's give you a callback with an err as the first argument. For example
database.query('something', function(err, result) {
if (err) handle(e...
How can I do something like a FlowLayout in Android?
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thanks romain guy, that really helps. how about just giving the solution? or link?... I dont get how you answer was accepted.
– Johann Hilbold
Aug 2 '12 at 14:52
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How to cast/convert pointer to reference in C++
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Call it like this:
foo(*ob);
Note that there is no casting going on here, as suggested in your question title. All we have done is de-referenced the pointer to the object which we then pass to the function.
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How to differentiate between time to live and time to idle in ehcache
...cache, then I am confused about what is the use of timeToLive parameter at all. When we did the POC, we are seeing that data is fetched from source after timetoIdleseconds. Although the timetoLive is a much higher value, I would have expected that it is fetched from cache since the timetoLive is mu...
Why should a Java class implement comparable?
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@AnirbanNag'tintinmj' to sort automatically by the first name in case that the last name is the same.
– OddDev
Aug 5 '15 at 7:49
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How do I find if a string starts with another string in Ruby?
...egex is far superior for case insensitive searches, even if you calculated all the permutations of cases for the test string ahead of time.
– Peter P.
Apr 2 '15 at 23:03
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How to open the Google Play Store directly from my Android application?
...lock here because an Exception will be thrown if the Play Store is not installed on the target device.
NOTE: any app can register as capable of handling the market://details?id=<appId> Uri, if you want to specifically target Google Play check the Berťák answer
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How to align a div to the top of its parent but keeping its inline-block behaviour?
...ertical-align: top; to #boxContainer div selector. It applies the style to all div elements inside the boxContainer.
– MarthyM
Nov 3 '16 at 8:09
add a comment
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Why does C++ require a user-provided default constructor to default-construct a const object?
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This was considered a defect (against all versions of the standard) and it was resolved by Core Working Group (CWG) Defect 253. The new wording for the standard states in http://eel.is/c++draft/dcl.init#7
A class type T is const-default-constructible if
def...
How to compile a 32-bit binary on a 64-bit linux machine with gcc/cmake
...export mean? Where does it belong? Te header files? The makefile? Nope, totally not an answer for me as a beginner.
– Tomáš Zato - Reinstate Monica
Sep 29 '15 at 10:09
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