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Manipulating an Access database from Java without ODBC
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UCanAccess is a pure Java JDBC driver that allows us to read from and write to Access databases without using ODBC. It uses two other packages, Jackcess and HSQLDB, to perform these tasks. The following is a brief overview of how to get it set up.
Option 1: Using...
Programmatically change the src of an img tag
...ng an image src (especial when you're using elements that have IDs), you really should try to avoid jQuery, since the call is so much slower than the pure JS call
– Brian Leishman
Apr 8 '15 at 13:36
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How do you create nested dict in Python?
...he following:
d = {} # can use defaultdict(dict) instead
for row in file_map:
# derive row key from something
# when using defaultdict, we can skip the next step creating a dictionary on row_key
d[row_key] = {}
for idx, col in enumerate(row):
d[row_key][idx] = col
Ac...
What is the Swift equivalent to Objective-C's “@synchronized”?
...ty that you have with @synchronized.
– Michael Waterfall
Oct 23 '14 at 16:46
9
With this approach...
Read entire file in Scala?
...simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.)
18 ...
Display block without 100% width
... gets positioned before the last span. Guess one solution would be to make all child elements in the li float.
– Staffan Estberg
Oct 3 '12 at 17:01
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What's the simplest way to subtract a month from a date in Python?
...at what they want can be done just by dt - timedelta(days=dt.day) As originally phrased though it sounded like they wanted to be able to subtract an arbitrary number of months and that is a bit harder.
– Duncan
Sep 19 '19 at 14:27
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Get an OutputStream into a String
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I would use a ByteArrayOutputStream. And on finish you can call:
new String( baos.toByteArray(), codepage );
or better:
baos.toString( codepage );
For the String constructor, the codepage can be a String or an instance of java.nio.charset.Charset. A possible value is java.nio.ch...
How to validate an OAuth 2.0 access token for a resource server?
...(RS) and Authorization Server (AS) for access token (AT) validation. It really depends on the AS's token format/strategy - some tokens are self-contained (like JSON Web Tokens) while others may be similar to a session cookie in that they just reference information held server side back at the AS.
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How to open every file in a folder?
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Os
You can list all files in the current directory using os.listdir:
import os
for filename in os.listdir(os.getcwd()):
with open(os.path.join(os.cwd(), filename), 'r') as f: # open in readonly mode
# do your stuff
Glob
Or you c...