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Download attachments using Java Mail
...tain this filename: "../etc/passwd", or any other path: They can overwrite _ANY_ file on the system that this code has write access to!
// File f = new File("/tmp/" + bodyPart.getFileName());
FileOutputStream fos = new FileOutputStream(f);
byte[] buf = new byte[4096];
in...
Getting the first character of a string with $str[0]
...ng multibyte encodings (such as UTF-8). If you want to support that, use mb_substr(). Arguably, you should always assume multibyte input these days, so this is the best option, but it will be slightly slower.
share
...
HTML input - name vs. id [duplicate]
...letter
Must not contain anything other than letters, numbers, underscores (_), dashes (-), colons (:), or periods (.)
Is case insensitive
In (X)HTML5, everything is the same except:
Name Attribute
Not valid on <form> anymore
XHTML says it must be all lowercase, but most browsers don't fol...
How do I format a date in Jinja2?
...and print) the strftime() method in your template, for example
{{ car.date_of_manufacture.strftime('%Y-%m-%d') }}
Another, sightly better approach would be to define your own filter, e.g.:
from flask import Flask
import babel
app = Flask(__name__)
@app.template_filter()
def format_datetime(val...
Can I load a UIImage from a URL?
...llpaper.net/iphone/img/app/i/p/iphone-4s-wallpapers-mobile-backgrounds-dark_2466f886de3472ef1fa968033f1da3e1_raw_1087fae1932cec8837695934b7eb1250_raw.jpg");
var err: NSError?
var imageData :NSData = NSData.dataWithContentsOfURL(url,options: NSDataReadingOptions.DataReadingMappedIfSafe, error...
I can’t find the Android keytool
...
Got it: C:\Program Files\Java\jdk1.6.0_14\bin Thanks
– Tim
Jun 8 '10 at 15:05
5
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Run an OLS regression with Pandas Data Frame
... I accidentally typed formulas instead and got weird error: TypeError: from_formula() takes at least 3 arguments (2 given)
– denfromufa
Nov 14 '16 at 18:19
...
Python list of dictionaries search
... 3.6.4, W7x64.
from random import randint
from timeit import timeit
list_dicts = []
for _ in range(1000): # number of dicts in the list
dict_tmp = {}
for i in range(10): # number of keys for each dict
dict_tmp[f"key{i}"] = randint(0,50)
list_dicts.append( dict_tmp )
d...
How to change collation of database, table, column?
The database is latin1_general_ci now and I want to change collation to utf8mb4_general_ci .
19 Answers
...
PHP: exceptions vs errors?
...rors are generally unrecoverable <-- actually, this isn't really true. E_ERROR and E_PARSE are the two most common unrecoverable errors (there are a couple of others) but the vast majority of errors you'll see in dev are recoverable (E_NOTICE, E_WARNING et al). Unfortunately PHP's error handling ...