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What exactly do “u” and “r” string flags do, and what are raw string literals?
...no "escape sequences" to represent newlines, tabs, backspaces, form-feeds, and so on. In normal string literals, each backslash must be doubled up to avoid being taken as the start of an escape sequence.
This syntax variant exists mostly because the syntax of regular expression patterns is heavy w...
Can anyone explain what JSONP is, in layman terms? [duplicate]
...
Preface:
This answer is over six years old. While the concepts and application of JSONP haven't changed
(i.e. the details of the answer are still valid), you should
look to use CORS where possible
(i.e. your server or
API supports it, and the
browser support is adequate),
as JSONP has in...
Java Embedded Databases Comparison [closed]
...'t decide which one would be more suitable for me. H2 , HSQLDB , Derby and Berkeley DB seem to be good candidates, but I still don't see how they compare to each other. I appreciate your help comparing them and helping me decide which one to use.
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How to bind 'touchstart' and 'click' events but not respond to both?
...t to mousedown... maybe the long delay is the difference between mousedown and mouseup which is how a click is determined.
– Mottie
Aug 11 '11 at 0:38
7
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BeanFactory vs ApplicationContext
I'm pretty new to the Spring Framework, I've been playing around with it and putting a few samples apps together for the purposes of evaluating Spring MVC for use in an upcoming company project. So far I really like what I see in Spring MVC, seems very easy to use and encourages you to write classes...
Simulate delayed and dropped packets on Linux
I would like to simulate packet delay and loss for UDP and TCP on Linux to measure the performance of an application. Is there a simple way to do this?
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Compiling C++ on remote Linux machine - “clock skew detected” warning
I'm connected to my university's small Linux cluster via PuTTY and WinSCP, transferring files using the latter and compiling and running them with the former. My work so far has been performed in the university's labs, but today I have been doing some work at home that generated an interesting warn...
How does facebook, gmail send the real time notification?
I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc.
5 Answer...
Why does the arrow (->) operator in C exist?
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I'll interpret your question as two questions: 1) why -> even exists, and 2) why . does not automatically dereference the pointer. Answers to both questions have historical roots.
Why does -> even exist?
In one of the very first versions of C language (which I will refer as CRM for "C Refe...
Why we should not use protected static in java
...able exists at class level, it does not exist separately for each instance and it does not have an independent existence in classes which extend me.
Think about what protected means:
This variable can be seen by this class, classes in the same package and classes which extend me.
The two mea...