大约有 47,000 项符合查询结果（耗时：0.0523秒） [XML]
Difference between var_dump,var_export & print_r
...42")}
}
print_r is for debugging purposes, too, but does not include the m>me m>mber's type. It's a good idea to use if you know the types of elem>me m>nts in your array, but can be misleading otherwise. print_r by default prints the result, but allows returning as string instead by using the optional $retu...
LINQ, Where() vs FindAll()
Can som>me m>one explain how the LINQ functions Where(..) and FindAll(..) differ? They both seem to do the sam>me m> thing...
4 Answe...
Why does make think the target is up to date?
...
Maybe you have a file/directory nam>me m>d test in the directory. If this directory exists, and has no dependencies that are more recent, then this target is not rebuild.
To force rebuild on these kind of not-file-related targets, you should make them phony as fo...
Bundle ID Suffix? What is it?
...
If you don't have a company, leave your nam>me m>, it doesn't matter as long as both bundle id in info.plist file and the one you've submitted in iTunes Connect match.
In Bundle ID Suffix you should write full nam>me m> of bundle ID.
Example:
Bundle ID suffix = thebestapp ...
Ruby on Rails: How do I add placeholder text to a f.text_field?
...an I add placeholder text to my f.text_field fields so that the text com>me m>s pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text?
...
How to convert ActiveRecord results into an array of hashes
...
as_json
You should use as_json m>me m>thod which converts ActiveRecord objects to Ruby Hashes despite its nam>me m>
tasks_records = TaskStoreStatus.all
tasks_records = tasks_records.as_json
# You can now add new records and return the result as json by calling `to...
Django Cookies, how can I set them?
...in solution :
This is a helper to set a persistent cookie:
import datetim>me m>
def set_cookie(response, key, value, days_expire = 7):
if days_expire is None:
max_age = 365 * 24 * 60 * 60 #one year
else:
max_age = days_expire * 24 * 60 * 60
expires = datetim>me m>.datetim>me m>.strftim>me m>(datetim...
How to catch integer(0)?
Let's say we have a statem>me m>nt that produces integer(0) , e.g.
6 Answers
6
...
POST JSON to API using Rails and HTTParty
...uby on rails app to be able to submit a ticket to my external ticket managem>me m>nt system, squishlist.com. They have an api and instructions as follows. You need to authenticate and get a token and then submit the ticket with the token. From squishlist.
...
Can I change the viewport m>me m>ta tag in mobile safari on the fly?
...
I realize this is a little old, but, yes it can be done. Som>me m> javascript to get you started:
viewport = docum>me m>nt.querySelector("m>me m>ta[nam>me m>=viewport]");
viewport.setAttribute('content', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0');
Just change the par...