binaryfiles

How do I read fortran binary file in C?

笑着哭i 提交于 2019-12-02 07:04:50
问题 I have a binary file generated by fortran code. This file contains an array of doubles. I need to open it in my C program and then work with it as with an usual array. How do I do it? How double type is represented in binary file? 回答1: Almost all Fortran compilers, for unformatted (i.e., binary) sequential files, write the length of the record at the beginning and end of each record. Typically the length is written in four bytes, though some compilers use eight bytes. A record is everything

How to download a file through a custom POST request with CasperJS

元气小坏坏 提交于 2019-12-02 06:56:22
I am writing a crawler and needs to download file generated after a form request using POST. I have successfully used this.download(url,'POST',Params) for regular forms. One of the sites has many fields using the same name, thus preventing me from using the regular download method. After trying a lot of things, I tried with $.ajax() and __utils.sendAJAX() to process the form like this: response = this.evaluate(function(){ url=... params = $('form#theirForm').serialize(); data = __utils__.sendAJAX(url, 'POST', params,false,{contentType:"application/x-www-form-urlencoded"}); return __utils__

what is wrong with this binary file transfer (corrupting docx files)?

时光总嘲笑我的痴心妄想 提交于 2019-12-02 06:14:26
问题 I've been trying to resolve this issue for over a week and could really do with some help. We are using a httprequest to post files to an api. Most files come out ok, but docx files end up corrupted. After much research I'm pretty sure that I'm doing something wrong in the binary post that is adding extra data / bytes to the file. Streams are being closed and I think I've got the boundries and headers right.... Are there any obvious mistakes in the code below? Or would anybody be able to

Youtube-API: Upload binary captions file (ebu-stl)

守給你的承諾、 提交于 2019-12-02 05:30:13
问题 Youtube supports some binary caption file formats, such as ebu-stl. I've got an *.stl file that uploads and processes just fine when I upload it via the web interface. But when I try to upload it via the API v2 with a POST request, it does not seem to recognize the file format properly. The POST request looks like this: POST /feeds/api/videos/VIDEO_ID/captions HTTP/1.1 Host: gdata.youtube.com Content-Type: application/vnd.youtube.timedtext; charset=UTF-8 Content-Language: en Slug: Title of

Outputting a Binary String to a Binary File in C++

那年仲夏 提交于 2019-12-02 05:09:26
Let's say I have a string that contains a binary like this one "0110110101011110110010010000010". Is there a easy way to output that string into a binary file so that the file contains 0110110101011110110010010000010? I understand that the computer writes one byte at a time but I am having trouble coming up with a way to write the contents of the string as a binary to a binary file. Use a bitset: //Added extra leading zero to make 32-bit. std::bitset<32> b("00110110101011110110010010000010"); auto ull = b.to_ullong(); std::ofstream f; f.open("test_file.dat", std::ios_base::out | std::ios_base:

How to Binary Serializer Custom Class

别来无恙 提交于 2019-12-02 03:25:33
问题 I've this custom class: public class MyClass { private byte byteValue; private int intValue; private MyClass myClass1= null; private MyClass myClass2 = null; } obviously I also have constructor and get/set methods. In my main form I initialize a lot of MyClass object (note that in MyClass object I have reference to other 2 MyClass objects). After initialization I iterate through a first MyClass item, call it for instance "root". So, for example I do something like: MyClass myClassTest = root

How to Binary Serializer Custom Class

佐手、 提交于 2019-12-02 02:39:37
I've this custom class: public class MyClass { private byte byteValue; private int intValue; private MyClass myClass1= null; private MyClass myClass2 = null; } obviously I also have constructor and get/set methods. In my main form I initialize a lot of MyClass object (note that in MyClass object I have reference to other 2 MyClass objects). After initialization I iterate through a first MyClass item, call it for instance "root". So, for example I do something like: MyClass myClassTest = root.getMyClass1(); MyClass myClassTest2 = myClassTest.getMyClass1(); and so on. No I want to store in a

ostream_iterator for Binary Output

痞子三分冷 提交于 2019-12-02 02:20:58
I want to be able to use an ostream_iterator to stream to a binary file. But the ostream_iterator uses a FormattedOuputFunction so it will write ASCII, not binary: std::ostream_iterator is a single-pass OutputIterator that writes successive objects of type T into the std::basic_ostream object for which it was constructed, using operator<< Beyond writing my own iterator is there a way to use an iterator to write binary? A simplified example of what I'm trying to do, but the copy statement is going to write ASCII to my binary file: ofstream foo("foo.txt", ios_base::binary); vector<int> bar = {13

How do I read fortran binary file in C?

旧时模样 提交于 2019-12-02 01:22:31
I have a binary file generated by fortran code. This file contains an array of doubles. I need to open it in my C program and then work with it as with an usual array. How do I do it? How double type is represented in binary file? M. S. B. Almost all Fortran compilers, for unformatted (i.e., binary) sequential files, write the length of the record at the beginning and end of each record. Typically the length is written in four bytes, though some compilers use eight bytes. A record is everything that is written with a single Fortran write statement. If this array was written with a single

Embedding binary data in a script efficiently

妖精的绣舞 提交于 2019-12-02 00:40:47
问题 I have seen some installation files (huge ones, install.sh for Matlab or Mathematica, for example) for Unix-like systems, they must have embedded quite a lot of binary data, such as icons, sound, graphics, etc, into the script. I am wondering how that can be done, since this can be potentially useful in simplifying file structure. I am particularly interested in doing this with Python and/or Bash. Existing methods that I know of in Python: Just use a byte string: x = b'\x23\xa3\xef' ... ,