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horizontal scrollbar on top and bottom of table

I've a very large table on my page. So I decided to put a horizontal scrollbar on the bottom of the table. But I would like this scrollbar to be also on top on the table. ...
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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic

...econd example does not work if you send the argument by reference. Did you mean void copyVecFast(vec<int> original) // no reference { vector<int> new_; new_.swap(original); } That would work, but an easier way is vector<int> new_(original); ...
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How to use Elasticsearch with MongoDB?

...ell again to initialize the replica set. mongo DATABASE_NAME config = { "_id" : "rs0", "members" : [ { "_id" : 0, "host" : "127.0.0.1:27017" } ] } rs.initiate(config) rs.slaveOk() // allows read operations to run on secondary members. Now install Elasticsearch. I'm just following this helpful Gis...
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How to delete a file from SD card?

...delete all inner childs.See my answer below.. – AndroidGeek May 15 '14 at 7:56 2 Unfortunately th...
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Why do you not use C for your web apps?

...kes a great deal of care to get a C program correct and secure. That care means that you need to have really good people writing your programs. That means you pay more. Also, C doesn't have the benefit of drawing from an enormous single standard library of functionality as .NET (and the other m...
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What does the servlet value signify

... Short Answer: value >= 0 means that the servlet is loaded when the web-app is deployed or when the server starts. value < 0 : servlet is loaded whenever the container feels like. Long answer (from the spec): The load-on-startup element indica...
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Can I use GDB to debug a running process?

...s the following: (gdb) help attach Attach to a process or file outside of GDB. This command attaches to another target, of the same type as your last "target" command ("info files" will show your target stack). The command may take as argument a process id, a process name (with an op...
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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?

...hebang parser of the system that parses this line before even calling env. Meanwhile this has been fixed on most systems but if your script wants to be ultra portable, you cannot rely that this has been fixed on the system you will be running. It can even have security implications, e.g. if sudo wa...
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Sql Server equivalent of a COUNTIF aggregate function

... I actually like this answer best, because it gets the idea of "counting rows" that Chris was showing, but is more extensible, since you can use any comparison operator; not just =. I'm using it for "count the number of responses >=2". – Kristen Hammack ...
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Why does flowing off the end of a non-void function without returning a value not produce a compiler

...), and the docs just say it "never normally returns". I wonder what that means... – Paul Biggar Oct 23 '09 at 10:11 @P...