Questions tagged [writable]

121 questions
1
vote
1 answer

What permissions are required to make a directory writable by php?

What permissions do I need to set up on a directory in order to make it writable by php? By "writable", I mean copying and creation of new files within that directory automatically by php itself. I'm testing this on a free host, and the default…
lakumba
  • 19
  • 1
  • 5
1
vote
1 answer

Stream is not writable when i try use a StreamReader constructed by the same fileStream?

As code after, i don't want create fileStream twice, so i write streamWriter inside fileStream. But it was so strange that code throw an exception when try to instance a StreamWriter. I guess fs's read pointer reach at the end, but it's just a…
Lee God
  • 21
  • 3
1
vote
2 answers

PHP is_writable() to check if file can be written?

I've read that I can use is_writable() to check if a folder or a file is writable. How do I check if a file can be written to a folder? Do I check the folder and if the folder is writable? Then the file is allowed to be put into that folder? What…
Jens Törnell
  • 23,180
  • 45
  • 124
  • 206
1
vote
1 answer

Hadoop - How to emit TwoDArrayWritable

I am emitting TwoDArrayWritable from mapper. I have implemented the class which extends TwoDArrayWritable in order to make the default constructor. But when I try to emit it, it gives me following exception: Error: java.lang.RuntimeException:…
user1584253
  • 975
  • 2
  • 18
  • 55
1
vote
1 answer

Use of readFields() in writable class in hadoop.io api

I am new to map-reduce. I want to know what is the use of readfields and write methods when we implement our custom data types in hadoop? For example, public class Point3D implements Writable { public float x; public float y; …
user2758378
  • 91
  • 11
1
vote
3 answers

Hadoop mapreduce with input size ~ 2Mb slow

I tried to distribute a calculation using hadoop. I am using Sequence input and output files, and custom Writables. The input is a list of triangles, maximum size 2Mb, but can be smaller around 50kb too. The intermediate values and the output is a…
bxabi
  • 13
  • 3
1
vote
1 answer

Groovy Writable Object?

Have a SimpleTemplate class that returns a Writable object. Can this be done as i can't see what kind of object to return. I have tried someting like this: Writable getTemplate() { return 'something that's a writable' } and how would i read…
jnorthr
  • 52
  • 6
1
vote
3 answers

Does directory made inside writable directory always writable?

I have a directory that is writable.If i make another directory inside it using mkdir("test", 0777); Does this make test directory writable ? if i use only mkdir("test"); does it inherit the writable property from its parent dir? If not is there…
Ace
  • 841
  • 9
  • 23
1
vote
2 answers

ES5 Defining Unchangeable Arrays / Property Values

When defining an array as a property of an ES5-style object, I want to make it so the property's value cannot be changed. 'use strict'; var global = Object.create(Object.prototype, { names: { value: ['Barney', 'Trogdor'], …
Jackson
  • 9,188
  • 6
  • 52
  • 77
1
vote
3 answers

Implementing a custom Hadoop key type and Value type

I want to emit key and value as custom datatype. whether I should implement 2 classes for key and value? one KeyWritable implements WritableComparable and the other one ValueWritable implements Writable. Is it like that or one WritableComparable…
user2922060
1
vote
0 answers

Issues in Emitting 2 Matrices as key and value from mapper

I am getting a input file as an argument and copying it into HDFS for some initial calculations. And this file will be the input to my mapper. After some matrix calculations I need to emit 2 double arrays to Reducer. But when I did so, it is…
user2922060
1
vote
1 answer

Xcode - Submission error - Unable to create configuration directory

I was trying to submit my second app update and it failed submission after passing validation. This is the error: "Unable to create configuration directory:/Application/Xcode.app/Contents/iTMSTransportation.woa/.itmstransporter. Cannot save local…
user2888792
1
vote
1 answer

Doctrine CodeIgniter error: Your proxy directory must be writable

I use Doctrine 2.0 integration with CodeIgniter. I encounter this error when try to load something from the DB. Fatal error: Uncaught exception 'Doctrine\ORM\Proxy\ProxyException' with message 'Your proxy directory must be writable.' in…
Meysam Feghhi
  • 945
  • 2
  • 11
  • 23
1
vote
3 answers

Error while writing custom object in mapper

I have extended WritableComparable and want to store it as mapper as the mapper value. public class SenderRecieverPair implements WritableComparable { Set pair = new TreeSet(new…
S Kr
  • 1,831
  • 2
  • 25
  • 50
1
vote
1 answer

Hadoop ArrayWritable giving me a ClassCastException

EDIT: PROBLEM SOLVED - I had a pretty silly error. I've got a MapReduce pipeline consisting of a map, reduce, map, and reduce. I use SequenceFileOutputFormat for the first reduce, and SequenceFileInputFormat for the second map. I've looked at…
mattg
  • 1,731
  • 1
  • 12
  • 20
1 2 3
8 9