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Loop through an array in JavaScript
...he index of each value, should you want it. The index is also passed as an extra parameter to the function you pass to forEach, so you can access it that way as well:
myStringArray.forEach( function(s, i) {
// ... do something with s and i ...
});
for...of doesn't give you the index associated...
Django CharField vs TextField
...o? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the hood here that makes this the case?
...
datetime dtypes in pandas read_csv
... is no datetime dtype to be set for read_csv as csv files can only contain strings, integers and floats.
Setting a dtype to datetime will make pandas interpret the datetime as an object, meaning you will end up with a string.
Pandas way of solving this
The pandas.read_csv() function has a keyword...
Missing Push Notification Entitlement
...then before submitting the app tap the arrow beside the "(X) Entitlements" string to expand the entitlements and see the value of the keychain-access-group entitlement.
Archive your app and attempt to submit it to the point of getting to the final "Submit" button. You should see this app was now bui...
PHP shell_exec() vs exec()
...
shell_exec returns all of the output stream as a string. exec returns the last line of the output by default, but can provide all output as an array specifed as the second parameter.
See
http://php.net/manual/en/function.shell-exec.php
http://php.net/manual/en/function.e...
Get line number while using grep
I am using grep recursive to search files for a string, and all the matched files and the lines containing that string are print on the terminal. But is it possible to get the line numbers of those lines too??
...
C++ unordered_map using a custom class type as the key
...h values. For example, assuming a key-type like this:
struct Key
{
std::string first;
std::string second;
int third;
bool operator==(const Key &other) const
{ return (first == other.first
&& second == other.second
&& third == other.thir...
Linq to Entities - SQL “IN” clause
... true to my name "FailBoy" I figured it out :P I put into a string[] and then used it and it worked. Thanks!
– StevenMcD
May 13 '09 at 13:56
...
Android preferences onclick event
...etter, especially because it doesn't use the now deprecated findPreference(String key) method and because it's just cleaner overall.
– lyallcooper
Jun 4 '13 at 0:00
...
Can an Option in a Select tag carry multiple values?
... (3 years after answering) to put both values into JSON format (using JSON.stringify()) because of a complaint that my proof-of-concept answer "could confuse a newbie developer."
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