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How to check whether a string is Base64 encoded or not
... in 2.0.
– Avinash R
Dec 5 '13 at 4:32
8
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What is the cleanest way to ssh and run multiple commands in Bash?
... I also get this output to my local: Pseudo-terminal will not be allocated because stdin is not a terminal.
– Globalz
Nov 5 '12 at 22:53
14
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How do I make the first letter of a string uppercase in JavaScript?
...s example: the Eiffel Tower -> The Eiffel Tower. Plus, the function is called capitaliseFirstLetter not capitaliseFirstLetterAndLowerCaseAllTheOthers.
– ban-geoengineering
Aug 2 '14 at 10:24
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Preloading CSS Images
...ly elements guaranteed to exist on the page.
For the "trick" to work, we shall use the content property which comfortably allows setting multiple URLs to be loaded, but as shown, the ::after pseudo element is kept hidden so the images won't be rendered:
body::after{
position:absolute; width:0; he...
C# difference between == and Equals()
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Unless the operator is specifically implemented in the class
– Dominic Cronin
Nov 19 '11 at 21:11
26
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Temporarily put away uncommitted changes in Subversion (a la “git-stash”)
... uncomfortable with this, just check out another copy and work on it in parallel.
– sbi
Oct 12 '09 at 14:28
2
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AJAX Mailchimp signup form integration
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You don't need an API key, all you have to do is plop the standard mailchimp generated form into your code ( customize the look as needed ) and in the forms "action" attribute change post?u= to post-json?u= and then at the end of the forms action appen...
How to deal with cyclic dependencies in Node.js
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While node.js does allow circular require dependencies, as you've found it can be pretty messy and you're probably better off restructuring your code to not need it. Maybe create a third class that uses the other two to accomplish what you nee...
How to check if an email address exists without sending an email?
...here are two methods you can sometimes use to determine if a recipient actually exists:
You can connect to the server, and issue a VRFY command. Very few servers support this command, but it is intended for exactly this. If the server responds with a 2.0.0 DSN, the user exists.
VRFY user
You can...
Best way to merge two maps and sum the values of same key?
...mutable.Map[Int,Int] = Map(1 -> 109, 3 -> 300, 2 -> 20)
Specifically, the binary operator for Map[K, V] combines the keys of the maps, folding V's semigroup operator over any duplicate values. The standard semigroup for Int uses the addition operator, so you get the sum of values for eac...