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How to change identity column values programmatically?
...oning, apparently). Note that the table has to match pretty-much exactly (indexes, FKs, etc)
– Mark Sowul
Sep 9 '14 at 14:22
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Loading existing .html file with android WebView
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If your structure should be like this:
/assets/html/index.html
/assets/scripts/index.js
/assets/css/index.css
Then just do ( Android WebView: handling orientation changes )
if(WebViewStateHolder.INSTANCE.getBundle() == null) { //this works only on single instance of we...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...associative binary operator"
http://spark.apache.org/docs/1.0.0/api/scala/index.html#org.apache.spark.rdd.RDD
Here is proof that reduce is NOT just a special case of foldLeft
scala> val intParList: ParSeq[Int] = (1 to 100000).map(_ => scala.util.Random.nextInt()).par
scala> timeMany(100...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
I'm trying to enable CORS for all subdomains, ports and protocol.
11 Answers
11
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Example invalid utf8 string?
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In PHP:
$examples = array(
'Valid ASCII' => "a",
'Valid 2 Octet Sequence' => "\xc3\xb1",
'Invalid 2 Octet Sequence' => "\xc3\x28",
'Invalid Sequence Identifier' => "\xa0\xa1",
'Valid 3 Octet Sequ...
What's the fastest way to merge/join data.frames in R?
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In the sqldf code that was posted in the question, it might appear that indexes were used on the two tables but, in fact, they are placed on tables which were overwritten before the sql select ever runs and that, in part, accounts for why its so slow. The idea of sqldf is that the data frames in...
How to undo “git commit --amend” done instead of “git commit”
... Move the current head so that it's pointing at the old commit
# Leave the index intact for redoing the commit.
# HEAD@{1} gives you "the commit that HEAD pointed at before
# it was moved to where it currently points at". Note that this is
# different from HEAD~1, which gives you "the commit that i...
size_t vs. uintptr_t
The C standard guarantees that size_t is a type that can hold any array index. This means that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
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Eclipse: Can you format code on save?
...checking your eclipse format xml descriptor into source control. That way all members of the team can use it and you don't get to and fro reformatting battles.
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How can I use optional parameters in a T-SQL stored procedure?
...fference, can have massive performance implications. The key is to use an index, ignore compact code, ignore worrying about repeating code, you must make a good query execution plan (use an index).
Read this and consider all the methods. Your best method will depend on your parameters, your data,...