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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I've been reading the ELF specification and cannot figure out where the program entry point and _start address come from. It seems like they should have to be in a pretty consistent place, but I made a few trivial programs, and _start is always in a different place. Can anyone clarify? 回答1: The _start symbol may be defined in any object file. Normally it is generated automatically (it corresponds to main in C). You can generate it yourself, for instance in an assembler source file: . globl _start _start : // assembly here When the

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I use sqlite3 on Ubuntu and would like to add the acos and asin functions that are provided by the extension-functions.c file. https://github.com/seth/RSQLite.extfuns/blob/master/src/extension-functions.c When I follow the instructions given in the source code, I get the following error and I didn't find any answer on how I could get this working. I tried on Ubuntu 15.04, 15.10 and now 16.04. extension-functions.c: In function ‘print_elem’: extension-functions.c:1942:10: warning: format ‘%lld’ expects argument of type ‘long long int’, but

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: As the title goes.My source code is: package hbase; import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.hbase.HBaseConfiguration; import org.apache.hadoop.hbase.HColumnDescriptor; import org.apache.hadoop.hbase.HTableDescriptor; import org.apache.hadoop.hbase.client.HBaseAdmin; import org.apache.hadoop.hbase.util.Bytes; public class HbaseExampleClient { public static void main(String[] args) throws IOException { Configuration config = HBaseConfiguration.create(); config.set("hbase.zookeeper

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm looking to replace the following for loop with an elegant java 8 stream or lambda solution. Is there anything concise and efficient? public static void main(String[] args) { ArrayList<Integer> myList = new ArrayList<>( Arrays.asList( 10,-3,5)); // add 1/2 of previous element to each element for(int i =1 ;i < myList.size(); ++i ) myList.set(i, myList.get(i)+myList.get(i-1)/2); // myList.skip(1).forEach( e -> e + prevE/2 ); // looking for something in this spirit } 回答1: Your loop evaluation has a dependency to the result of the previous

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: Say I've got a resource /Products/ 123 And each Product has an associated Supplier entity in the back end database. POST and PUT requests must specify a supplier ID, which is then used to fetch a Supplier entity from the database. What should be returned if a user issues a PUT /Products/123 , which is found, but includes a bad Supplier ID, which is not ? 404 Not Found with a message specifying which resource wasn't found? 409 Conflict ? 回答1: The 404 status code may not be right choice because the resource that has not been found is

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: How do I calculate the required buffer size for the WriteableBitmap.WritePixels method? I am using the overload taking four parameters, the first is an Int32Rect, the next is a byte array containing the RGBA numbers for the colour, the third is the stride (which is the width of my writeable bitmap multiplied by the bits per pixel divided by 8), and the last is the buffer (referred to as the offset in Intellisense). I am getting the Buffer size is not sufficient runtime error in the below code: byte[] colourData = { 0, 0, 0, 0 }; var

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am trying to apply _pickle to save data onto disk. But when calling _pickle.dump , I got an error OverflowError: cannot serialize a bytes object larger than 4 GiB Is this a hard limitation to use _pickle ? ( cPickle for python2) 回答1: Not anymore in Python 3.4 which has PEP 3154 and Pickle 4.0 https://www.python.org/dev/peps/pep-3154/ But you need to say you want to use version 4 of the protocol: https://docs.python.org/3/library/pickle.html pickle.dump(d, open("file", 'w'), protocol=4) 回答2: Yes, this is a hard-coded limit; from save_bytes

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm getting this error when starting anything that uses the Pango library. I'm using Kubuntu 9.10. I've done 'sudo apt-get --reinstall install' on libgtk* libcairo* libpango* and fontconfig, with no luck. Could someone point me in the right direction? Thanks. 回答1: I did a lot of searching on this and never found a decent answer. My issue involved running virt-manager (an xwindows based utility) on a remote server. I have all the fonts on my xwindows box but not on the remote host. the i ran 'yum install xorg-x11-font*' on the remote host

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am trying to process a MySQL select result. My problem is that the sample code below only returns an Array containing all values as string -type even for columns that contain integers and floats. $sth = mysql_query($selectstr); $rows = array(); while($r = mysql_fetch_row($sth)) { foreach ($r as $value) echo gettype($value), "\n"; } If I pass that array in $r to json_encode(..) I get JavaScript string values in the output (surrounded by quotes) and not unquoted number values (what i need). How can I query the MySQL database and get a row

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: If I put the date 31/12/2013 in A1 and another date 1/1/2014 in A2 then a formula like =A1<A2 gives the expected result, TRUE. If I put the formula =A1<1/1/2014 in another cell, it gives the result FALSE. The question is how to adjust the second formula to make it give the correct result, and why it doesn't work as it stands. I've been looking at this for a while and have found some related posts like Comparing computed dates with entered dates but not one which directly answers the question. 回答1: 1/1/2014 is 1 divided by 1 divided by 2014.