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How can I lock a file using java (if possible)
...utStreamReader(in, charset)
) {
...
}
(Disclaimer: Code not compiled and certainly not tested.)
Note the section entitled "platform dependencies" in the API doc for FileLock.
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What is the meaning of polyfills in HTML5?
...e, since it is used in conjunction with HTML5, but it's not part of HTML5, and you can have polyfills without having HTML5 (for example, to support CSS3 techniques you want).
Here's a good post:
http://remysharp.com/2010/10/08/what-is-a-polyfill/
Here's a comprehensive list of Polyfills and Shims...
Easy way to dismiss keyboard?
...ve quite a few controls scattered throughout many table cells in my table, and I was wondering if there's an easier way to dismiss the keyboard without having to loop through all my controls and resigning them all as the first responder. I guess the question is.. How would I get the current first re...
Why can tuples contain mutable items?
...ghts to help complete your mental model of what tuples are, how they work, and their intended use:
Tuples are characterized less by their immutability and more by their intended purpose.
Tuples are Python's way of collecting heterogeneous pieces of information under one roof. For example,
s = ('...
INNER JOIN ON vs WHERE clause
... easier to see this with the WHERE syntax.
As for your example, in MySQL (and in SQL generally) these two queries are synonyms.
Also note that MySQL also has a STRAIGHT_JOIN clause.
Using this clause, you can control the JOIN order: which table is scanned in the outer loop and which one is in the...
The backend version is not supported to design database diagrams or tables
...). Use the version designed for your database version. You can use the command select @@version to check which version of sql server you are actually using. This version is reported in a way that is easier to interpret than that shown in the Help About in SSMS.
Using a newer version of SSMS than ...
Enums and Constants. Which to use when?
I was doing some reading on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums?
...
Recommended way to save uploaded files in a servlet application
...ot save the file in the server anyway as it is not portable, transactional and requires external parameters. However, given that I need a tmp solution for tomcat (7) and that I have (relative) control over the server machine I want to know :
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How to know if other threads have finished?
...ted, or
Unorthodox, for each Thread in question, call setUncaughtExceptionHandler to call a method in your object, and program each Thread to throw an uncaught Exception when it completes, or
Use locks or synchronizers or mechanisms from java.util.concurrent, or
More orthodox, create a listener in y...
How to convert TimeStamp to Date in Java?
... @vs06 What makes you think it is deprecated? The latest java 7 and 8 docs both say otherwise (docs.oracle.com/javase/7/docs/api/java/util/Date.html#getTime() and docs.oracle.com/javase/8/docs/api/java/util/Date.html#getTime--)
– Alex Coleman
Sep 22 ...