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What is base 64 encoding used for?
...
@still_dreaming_1 PHP calls them binary strings. (source)php.net/manual/en/function.pack.php
– Cholthi Paul Ttiopic
Feb 28 '19 at 6:07
...
How to work around the stricter Java 8 Javadoc when using Maven
...lt;table summary=""> trick still works on JDK8. (just tested on jdk1.8.0_201)
– peterh
Feb 17 '19 at 8:29
@peterh I...
Build vs new in Rails 3
...
You're misreading the docs slightly. some_firm.client.new is creating a new Client object from the clients collection, and so it can automatically set the firm_id to some_firm.id, whereas the docs are calling Client.new which has no knowledge of any Firm's id at all...
Is there a way to check if a file is in use?
...tem.Runtime.InteropServices;
internal static class Helper
{
const int ERROR_SHARING_VIOLATION = 32;
const int ERROR_LOCK_VIOLATION = 33;
private static bool IsFileLocked(Exception exception)
{
int errorCode = Marshal.GetHRForException(exception) & ((1 << 16) - 1);
return errorCode...
Globally override key binding in Emacs
...fter-load-functions 'my-keys-have-priority)
(defun my-keys-have-priority (_file)
"Try to ensure that my keybindings retain priority over other minor modes.
Called via the `after-load-functions' special hook."
(unless (eq (caar minor-mode-map-alist) 'my-keys-minor-mode)
(let ((mykeys (assq ...
How do I validate a date string format in python?
...
>>> import datetime
>>> def validate(date_text):
try:
datetime.datetime.strptime(date_text, '%Y-%m-%d')
except ValueError:
raise ValueError("Incorrect data format, should be YYYY-MM-DD")
>>> validate('2003-12-23')
>>> vali...
Default function arguments in Rust
...fn add(a: Option<i32>, b: Option<i32>) -> i32 {
a.unwrap_or(1) + b.unwrap_or(2)
}
This accomplishes the objective of having the default value and the function coded only once (instead of in every call), but is of course a whole lot more to type out. The function call will look ...
How to version control a record in a database
...ite queries against the FOO table. Happy days.
Then, I would create a FOO_HISTORY table. This has all the columns of the FOO table. The primary key is the same as FOO plus a RevisionNumber column. There is a foreign key from FOO_HISTORY to FOO. You might also add columns related to the revisio...
Is there a way to create multiline comments in Python?
... they appear in the source code.
If you try to run this code...
def parse_token(token):
"""
This function parses a token.
TODO: write a decent docstring :-)
"""
if token == '\\and':
do_something()
elif token == '\\or':
do_something_else()
elif token =...
Has anyone ever got a remote JMX JConsole to work?
... link doesn't work anymore
http://blogs.oracle.com/jmxetc/entry/connecting_through_firewall_using_jmx
http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html
It's even possible to setup an ssh tunnel and still get it to work :-)
...