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What is event bubbling and capturing?
...utermost element and propagated to the inner elements.
Capturing is also called "trickling", which helps remember the propagation order:
trickle down, bubble up
Back in the old days, Netscape advocated event capturing, while Microsoft promoted event bubbling. Both are part of the W3C Document...
What's the difference between an id and a class?
... to a specific element and class when you have a number of things that are all alike. For instance, common id elements are things like header, footer, sidebar. Common class elements are things like highlight or external-link.
It's a good idea to read up on the cascade and understand the precedence ...
Get query from java.sql.PreparedStatement [duplicate]
...re lucky, the JDBC driver in question may return the complete SQL by just calling PreparedStatement#toString(). I.e.
System.out.println(preparedStatement);
To my experience, the ones which do so are at least the PostgreSQL 8.x and MySQL 5.x JDBC drivers. For the case your JDBC driver doesn't supp...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
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I've made sure all the class are already set, but the NSUnknownKeyException still comes out :(
– Zennichimaro
Apr 3 '13 at 3:40
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What's the best way to check if a file exists in C?
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There are pitfalls associated with access(). There is a TOCTOU (time of check, time of use) window of vulnerability between using access() and whatever else you do afterwards. [...to be continued...]
– Jonathan Leff...
DateTime.Now vs. DateTime.UtcNow
...f how the two properties work. I know the second one is universal and basically doesn't deal with time zones, but can someone explain in detail how they work and which one should be used in what scenario?
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How to deal with a slow SecureRandom generator?
If you want a cryptographically strong random numbers in Java, you use SecureRandom . Unfortunately, SecureRandom can be very slow. If it uses /dev/random on Linux, it can block waiting for sufficient entropy to build up. How do you avoid the performance penalty?
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How can I access Google Sheet spreadsheets only with Javascript?
...e was no easy way to organize the data). The update was just to your 'callbackCells()' method. Check it out: github.com/rw3iss/google-spreadsheet-javascript.git Thanks again man!
– Ryan Weiss
Oct 11 '12 at 6:38
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Retrieve version from maven pom.xml in code
... to retrieve version number from maven's pom.xml in code, i.e., programatically?
11 Answers
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Clearing intent
My Android app is getting called by an intent that is passing information (pendingintent in statusbar).
20 Answers
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