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RuntimeException: Unable to instantiate application
...or message raised by underlying framework when dalvik re-install .apk file and trying to reuse or recycle the previous opened activity/view from the same package (if you haven't closed the previous installed app yet). It has nothing to do with your app, moreover, it is very unlikely that your app wi...
How to get a random number in Ruby
How do I generate a random number between 0 and n ?
17 Answers
17
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How to delete multiple files at once in Bash on Linux?
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Bash supports all sorts of wildcards and expansions.
Your exact case would be handled by brace expansion, like so:
$ rm -rf abc.log.2012-03-{14,27,28}
The above would expand to a single command with all three arguments, and be equivalent to typing:
$ rm -rf...
Difference between declaring variables before or in loop?
...etter, a or b?
From a performance perspective, you'd have to measure it. (And in my opinion, if you can measure a difference, the compiler isn't very good).
From a maintenance perspective, b is better. Declare and initialize variables in the same place, in the narrowest scope possible. Don't leave...
What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
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To understand this, you must take a step back. In OO, the customer owns the orders (orders are a list in the customer object). There can't be an order without a customer. So the customer seems to be the owner of the orders.
But in the...
Most efficient way to create a zero filled JavaScript array?
...ay(len).fill(0);
Not sure if it's fast, but I like it because it's short and self-describing.
It's still not in IE (check compatibility), but there's a polyfill available.
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How to translate between Windows and IANA time zones?
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The primary source of the data for conversion between Windows and IANA time zone identifiers is the windowsZones.xml file, distributed as part of the Unicode CLDR project. The latest dev version can be found here.
However, CLDR is released only twice annually. This, along with the per...
How do you compare structs for equality in C?
How do you compare two instances of structs for equality in standard C?
11 Answers
11
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When do we need curly braces around shell variables?
In shell scripts, when do we use {} when expanding variables?
7 Answers
7
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Java: how to convert HashMap to array
... answered Jul 7 '09 at 5:47
Landon KuhnLandon Kuhn
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