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error opening HPROF file: IOException: Unknown HPROF Version
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298
The hprof file you get from Android has android specific format. You should convert hprof file...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...d and we should use hdfs dfs instead.
hdfs dfs <args>
same as 2nd i.e would work for all the operations related to HDFS and is the recommended command instead of hadoop dfs
below is the list categorized as hdfs commands.
namenode|secondarynamenode|datanode|dfs|dfsadmin|fsck|balancer...
WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance
I'm working to set up Panda on an Amazon EC2 instance.
I set up my account and tools last night and had no problem using SSH to interact with my own personal instance, but right now I'm not being allowed permission into Panda's EC2 instance.
Getting Started with Panda
...
Colorize console output in Intellij products
...ugin for console colorizing: Grep Console.
Works nicely with Intellij 12.
Make sure you restart IntelliJ after installing the plugin. After you will see the plugin icon in the top left corner (white-red icon).
share
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How would you make a comma-separated string from a list of strings?
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1023
my_list = ['a', 'b', 'c', 'd']
my_string = ','.join(my_list)
'a,b,c,d'
This won't work if t...
How to say “should_receive” more times in RSpec
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214
This is outdated. Please check Uri's answer below
for 2 times:
Project.should_receive(:find).t...
How do I count a JavaScript object's attributes? [duplicate]
...ose you got "for free."
Here's one way:
var foo = {"key1": "value1", "key2": "value2", "key3": "value3"};
Object.prototype.foobie = 'bletch'; // add property to foo that won't be counted
var count = 0;
for (var k in foo) {
if (foo.hasOwnProperty(k)) {
++count;
}
}
alert("Found " + ...
Is it possible to read from a InputStream with a timeout?
...so no timeout required)
Just use this:
byte[] inputData = new byte[1024];
int result = is.read(inputData, 0, is.available());
// result will indicate number of bytes read; -1 for EOF with no data read.
OR equivalently,
BufferedReader br = new BufferedReader(new InputStreamRead...
How can I check whether a option already exist in select by JQuery
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edited Nov 8 '12 at 22:12
VisioN
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