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How to set variables in HIVE scripts
...ution.
e.g.
hive> set CURRENT_DATE='2012-09-16';
hive> select * from foo where day >= ${hiveconf:CURRENT_DATE}
similarly, you could pass on command line:
% hive -hiveconf CURRENT_DATE='2012-09-16' -f test.hql
Note that there are env and system variables as well, so you can reference ${env...
How can I include raw JSON in an object using Jackson?
...est
public void test() throws IOException {
Pojo pojo = new Pojo("{\"foo\":18}");
String output = mapper.writeValueAsString(pojo);
assertThat(output).isEqualTo("{\"json\":{\"foo\":18}}");
Pojo deserialized = mapper.readValue(output, Pojo.class);
assertThat(deserialized.json.t...
What does template mean?
...
// Factorial<4>::value == 24
// Factorial<0>::value == 1
void foo()
{
int x = Factorial<4>::value; // == 24
int y = Factorial<0>::value; // == 1
}
share
|
improve t...
Select elements by attribute in CSS
...
[data-value] {
/* Attribute exists */
}
[data-value="foo"] {
/* Attribute has this exact value */
}
[data-value*="foo"] {
/* Attribute value contains this value somewhere in it */
}
[data-value~="foo"] {
/* Attribute has this value in a space-separated list somewhere */...
Speed up the loop operation in R
...row(x)
}
}
system.time({
d=data.frame(seq=1:10000,r=rnorm(10000))
d$foo=d$r
d$seq=1:5
mark=NA
for(i in 1:nrow(d)){
if(d$seq[i]==1) mark=d$r[i]
d$foo[i]=mark
}
})
system.time({
d=data.frame(seq=1:10000,r=rnorm(10000))
d$foo=d$r
d$seq=1:5
d=as.list(d) #become a list
m...
API to automatically upload apk to Google Play? [closed]
Is there any API or tool that enables me to automatically upload an APK to Google Play? I want to automatically publish customized apps to my account without any manual steps or graphical interface.
...
What is the shortest function for reading a cookie by name in JavaScript?
...ow cookie names or values are encoded. Calling the function with a string "foo:bar[0]" should return a cookie (literally) named "foo:bar[0]";
New cookies may be written and/or existing cookies modified at any point during lifetime of the page.
Under these assumptions, it's clear that encodeURIComp...
Why was the arguments.callee.caller property deprecated in JavaScript?
...
It is better to use named functions than arguments.callee:
function foo () {
... foo() ...
}
is better than
function () {
... arguments.callee() ...
}
The named function will have access to its caller through the caller property:
function foo () {
alert(foo.caller);
...
Regex (grep) for multi-line search needed [duplicate]
I'm running a grep to find any *.sql file that has the word select followed by the word customerName followed by the word from . This select statement can span many lines and can contain tabs and newlines.
...
Can “this” ever be null in Java?
...
the null pointer exception in something like foo.bar() would be thrown when foo is discovered to be null. it does happen before entering the method, but the real story is that there is no method to attempt to call.
– Claudiu
Sep 24...