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Best way to store date/time in mongodb
...shell version: 2.4.9
connecting to: 10.0.1.223/test
Create your database by inserting items
> db.penguins.insert({"penguin": "skipper"})
> db.penguins.insert({"penguin": "kowalski"})
>
Lets make that database the one we are on now
> use penguins
switched to db penguins
Get the r...
What is the purpose of the -nodes argument in openssl?
...ssword to generate an encryption key using the key-derivation function EVP_BytesToKey.
Depending on your version of OpenSSL and compiled options, you may be able to provide these options in place of -nodes:
-des encrypt private keys with DES
-des3 encrypt private keys with triple ...
Setting href attribute at runtime
...elector(".link").href="https://example.com";
Here you can perform test by yourself https://jsperf.com/a-href-js-change
We can read href values in following ways
let href = $(selector).prop('href');
let href = $(selector).attr('href');
let href = document.querySelector(".link").href;
Her...
Best way to parseDouble with comma as decimal separator?
...
...is very quick as it searches the underlying character array on a char-by-char basis. The string replace versions compile a RegEx to evaluate.
Basically replace(char,char) is about 10 times quicker and since you'll be doing these kind of things in low-level code it makes sense to think about th...
How do I right align div elements?
...tains both the form & the button, then make the div float to the right by setting float: right;.
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how to get last insert id after insert query in codeigniter active record
...faik the insert_id() functions returns the id of the last insert performed by the db object you're using. This should handle concurrent inserts, shouldn't it? Please correct me if I'm wrong.
– Abraham Philip
Jul 20 '15 at 20:20
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Heroku error: “Permission denied (public key)”
...note that they do not mention having to set up SSH keys . Either it is set by default ( i dont know ) or you get the error mentioned by the question poster .
So i did the following :
1 . opened up the git shell
2 . typed the following in
C:\Users\blue\Documents\GitHub> heroku keys:add
Fou...
How to programmatically cause a core dump in C/C++
...use a core dump, and you can even do this without terminating your process by calling fork() followed by abort() in the child only - see this answer for details.
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How to parse JSON data with jQuery / JavaScript?
...json response header you will need to indicate to jQuery that this is JSON by using the dataType: 'json' parameter.
Then you could use the $.each() function to loop through the data:
$.ajax({
type: 'GET',
url: 'http://example/functions.php',
data: { get_param: 'value' },
dataTy...
What is the opposite of :hover (on mouse leave)?
...
If I understand correctly you could do the same thing by moving your transitions to the link rather than the hover state:
ul li a {
color:#999;
transition: color 0.5s linear; /* vendorless fallback */
-o-transition: color 0.5s linear; /* opera */
-ms-tran...