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How to determine if a record is just created or updated in after_save
... after_update callback (see guides.rubyonrails.org/active_record_callbacks.html).
– Mark
Jul 16 '14 at 14:16
3
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Regex lookahead, lookbehind and atomic groups
...d stop.
Some resources
http://www.regular-expressions.info/lookaround.html
http://www.rexegg.com/regex-lookarounds.html
Online testers
https://regex101.com
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UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
...
http://docs.python.org/howto/unicode.html#the-unicode-type
str = unicode(str, errors='replace')
or
str = unicode(str, errors='ignore')
Note: This will strip out (ignore) the characters in question returning the string without them.
For me this is ideal ca...
Java Security: Illegal key size or default parameters?
...ng 256-bit keys. oracle.com/technetwork/java/javase/8u151-relnotes-3850493.html
– hemisphire
Oct 19 '17 at 15:53
1
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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
...rther improvement/discussion
var panic= function(){
document.body.innerHTML = '';
//this clears the current html in the body
//making it look like the page is loading
if(...){ //check if replaceState is supported so no error is thrown
var title="Decoy Article Titl...
Convert python datetime to epoch with strftime
...ument to strftime (if you check at http://docs.python.org/library/datetime.html#strftime-and-strptime-behavior it's not in the list), the only reason it's working is because Python is passing the information to your system's strftime, which uses your local timezone.
>>> datetime.datetime(2...
Background color not showing in print preview
...
You did not add it in the print media as I stated in your html inner css: yout html line 1154: @media print { body {margin:0; padding:0; line-height: 1.4em; word-spacing:1px; letter-spacing:0.2px; font: 12px Arial, Helvetica,"Lucida Grande", serif; color: #000;}.... you need to add...
MVC 4 @Scripts “does not exist”
...config
http://ofps.oreilly.com/titles/9781449320317/ch_ClientOptimization.html#BundlingAndMinification
UPDATE
Microsoft has moved the bundling/minification to a separate package called Microsoft.AspNet.Web.Optimization. You can download the assembly from nuget.
This post will be useful to you.
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log4net hierarchy and logging levels
... on LevelMatchFilter.AcceptOnMatch. logging.apache.org/log4net/release/sdk/html/… So you can do <levelToMatch value="WARN" AcceptOnMatch="false" />
– ulty4life
Jul 25 '19 at 20:03
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Serialize form data to JSON [duplicate]
...;Try</button>
</form>
see this: http://www.json.org/js.html
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