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Splitting string into multiple rows in Oracle
...ct 108 Name, 'test' Project, 'Err1, Err2, Err3' Error from dual
union all
select 109, 'test2', 'Err1' from dual
)
select distinct
t.name, t.project,
trim(regexp_substr(t.error, '[^,]+', 1, levels.column_value)) as error
from
temp t,
table(cast(multiset(select level from dual conne...
How to track untracked content?
...art_2
As you found, this will not work if the path already exists in the index. The solution is to temporarily remove the gitlink entry from the index and then add the submodule:
git rm --cached vendor/plugins/open_flash_chart_2
git submodule add git://github.com/korin/open_flash_chart_2_plugin.g...
How to find the array index with a value?
...
You can use indexOf:
var imageList = [100,200,300,400,500];
var index = imageList.indexOf(200); // 1
You will get -1 if it cannot find a value in the array.
s...
How do you manage databases in development, test, and production?
...of good options. I wouldn't use the "restore a backup" strategy.
Script all your schema changes, and have your CI server run those scripts on the database. Have a version table to keep track of the current database version, and only execute the scripts if they are for a newer version.
Use a migr...
Error: No default engine was specified and no extension was provided
...ch (program.template) {
case 'ejs':
write(path + '/views/index.ejs', ejsIndex);
break;
case 'jade':
write(path + '/views/layout.jade', jadeLayout);
write(path + '/views/index.jade', jadeIndex);
break;
case 'jshtml':
...
How to pull a random record using Django's ORM?
...
count = self.aggregate(count=Count('id'))['count']
random_index = randint(0, count - 1)
return self.all()[random_index]
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How to select rows from a DataFrame based on column values?
...r, that if you wish to do this many times, it is more efficient to
make an index first, and then use df.loc:
df = df.set_index(['B'])
print(df.loc['one'])
yields
A C D
B
one foo 0 0
one bar 1 2
one foo 6 12
or, to include multiple values from the index use df...
Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
...depends on your host, but if I had to guess, I'd guess many hosts wouldn't allow it.
– Frank Farmer
May 21 '13 at 0:39
2
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Showing all errors and warnings [duplicate]
...he configuration file.
You can turn it on in the script:
error_reporting(E_ALL);
ini_set('display_errors', '1');
You should see the same messages in the PHP error log.
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Can you nest html forms?
... I agree with the answer, but to ask another, why not? Why does HTML not allow for nesting forms? To me, it appears to be a limitation that we would be better off without. There are many examples where using nested forms would be easier to program (i.e. using an upload photo form with a profile ed...