大约有 40,000 项符合查询结果（耗时：0.0910秒） [XML]
Checking if an object is a given type in Swift
... array that is made up of AnyObject . I want to iterate over it, and find all elements that are array instances.
18 Answer...
Given the lat/long coordinates, how can we find out the city/country?
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Google's reverse geocoding is only allowed in conjunction with a Google Map. If you want a solution that has no such restrictions (though it is commercial and only has US cities), check out: askgeo.com
– James D
May 8 '12...
How to COUNT rows within EntityFramework without loading contents?
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@JoSmo, no, that's a totally different query.
– Craig Stuntz
Jul 8 '15 at 18:28
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Conveniently map between enum and int / String
...n't require 'fiddling with reflection' because it's based on the fact that all enum types implicitly inherit the Enum interface.
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AWS S3: how do I see how much disk space is using
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Yippe - an update to AWS CLI allows you to recursively ls through buckets...
aws s3 ls s3://<bucketname> --recursive | grep -v -E "(Bucket: |Prefix: |LastWriteTime|^$|--)" | awk 'BEGIN {total=0}{total+=$3}END{print total/1024/1024" MB"}'
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Is there a native jQuery function to switch elements?
... I like this option the best! Simple and nicely compatible. Allthough i like to use el1.insertBefore(el2) and el1.insertAfter(el2) for readability.
– Maurice
Feb 1 '12 at 13:43
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Best data type to store money values in MySQL
I want to store many records in a MySQL database. All of them contains money values. But I don't know how many digits will be inserted for each one.
Which data type do I have to use for this purpose?
VARCHAR or INT (or other numeric data types)?
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Uncatchable ChuckNorrisException
...d not find the main class: TestThrow. Program will exit.
UPDATE 2:
Actually, you can get this to work if you disable the byte code verifier! (-Xverify:none)
UPDATE 3:
For those following from home, here is the full script:
Create the following classes:
public class ChuckNorrisException
e...
What is the proper way to check for null values?
...ast because I think it's likely to surface errors faster. It also avoids calling ToString() on a string object.
– tvanfosson
Mar 20 '12 at 19:17
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SQLite with encryption/password protection
...MyDatabase.sqlite;Version=3;Password=password;");
conn.Open();
This wont allow any GUI editor to view Your data.
Later if you wish to change the password, use conn.ChangePassword("new_password");
To reset or remove password, use conn.ChangePassword(String.Empty);
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