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Oracle SQL Query for listing all Schemas in a DB
...as, their ID's and date created in DB :
USERNAME USER_ID CREATED
------------------------------ ---------- ---------
SCHEMA1 120 09-SEP-15
SCHEMA2 119 09-SEP-15
SCHEMA3 118 09-SEP-15
...
Format a date using the new date time API
...we see that the symbol H is mapped to unsupported HOUR_OF_DAY:
/** Map of letters to fields. */
private static final Map<Character, TemporalField> FIELD_MAP = new HashMap<>();
static {
FIELD_MAP.put('G', ChronoField.ERA);
FIELD_MAP.put('y', ChronoField.YEAR_OF_ERA);
FIELD_MAP.pu...
Is it possible to make relative link to image in a markdown file in a gist?
...the problem in using
https://gist.github.com/user/605560c2961cb3025038/raw/b75d2...6e8/img.png
is that the b75d2...6e8 part varies per file (a quick experimentation confirms it is the git blob id). However you can drop that part resulting in a URL pointing to the latest version:
https://gist....
How can I increment a char?
...o something with c...
Or perhaps you're using string.uppercase or string.letters?
Python doesn't have for(;;) because there are often better ways to do it. It also doesn't have character math because it's not necessary, either.
...
Can (domain name) subdomains have an underscore “_” in it?
... RFC 1123, section 2.1 "Host
Names and Numbers" which limits host names to
letters-digits-hyphen.
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What is the best way to remove accents (normalize) in a Python unicode string?
... if unicodedata.category(c) != 'Mn')
This works on greek letters, too:
>>> strip_accents(u"A \u00c0 \u0394 \u038E")
u'A A \u0394 \u03a5'
>>>
The character category "Mn" stands for Nonspacing_Mark, which is similar to unicodedata.combining in MiniQuark's answer...
How to create id with AUTO_INCREMENT on Oracle?
...
SYS_GUID returns a GUID-- a globally unique ID. A SYS_GUID is a RAW(16). It does not generate an incrementing numeric value.
If you want to create an incrementing numeric key, you'll want to create a sequence.
CREATE SEQUENCE name_of_sequence
START WITH 1
INCREMENT BY 1
CACHE 1...
Is there a splice method for strings?
...; joining) is twice slower than the former solution (using slice), for 100-letter strings it's x5 and for 1000-letter strings it's x50, in Ops/sec it's:
10 letters 100 letters 1000 letters
slice implementation 1.25 M 2.00 M 1.91 M
split implementation 0...
In C# what is the difference between ToUpper() and ToUpperInvariant()?
...
haha I read that thinking... "'Turkey' doesn't have a letter 'i' in it"
– Jeff Mercado
Aug 23 '10 at 17:57
1
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Creating a dynamic choice field
..._from_request(self.request)
for l in get_all_choices().filter(user=user_id):
admin = 'y' if l in self.core else 'n'
choice = (('%s_%s' % (l.name, admin)), ('%s' % l.name))
self.affiliated_choices.append(choice)
super(SupportForm, self).__init__(*ar...