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Website screenshots
...i with params screenshot=true.
https://www.googleapis.com/pagespeedonline/v1/runPagespeed?
url=https://stackoverflow.com/&key={your_api_key}&screenshot=true
For mobile site view pass &strategy=mobile in params,
https://www.googleapis.com/pagespeedonline/v1/runPagespeed?
url=http://st...
Spring Boot: How can I set the logging level with application.properties?
...
Update: Starting with Spring Boot v1.2.0.RELEASE, the settings in application.properties or application.yml do apply. See the Log Levels section of the reference guide.
logging.level.org.springframework.web: DEBUG
logging.level.org.hibernate: ERROR
For earli...
计算统计特征（正态分布）函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...v);
inline void del_value(double v);
inline void change_value(double v1, double v2)
{
del_value(v1);
add_value(v2);
}
inline double sam_var(void) const { return _sam_stdev * _sam_stdev; }
inline double all_var(void) const { return _all_stdev * _all_stdev; }
};
class...
How can I programmatically determine if my app is running in the iphone simulator?
...
THERE IS A BETTER WAY NOW!
As of Xcode 9.3 beta 4 you can use #if targetEnvironment(simulator) to check.
#if targetEnvironment(simulator)
//Your simulator code
#endif
UPDATE
Xcode 10 and iOS 12 SDK supports this too.
...
npm install from Git in a specific version
...sion with git tag -a "1.0.0" and pushed git push --tags, then I added the #v1.0.0 at the end of the git+ssh dependency. But at npm update nothing happens.
– loretoparisi
Apr 19 '16 at 8:31
...
How to verify Facebook access token?
...e number with your access_token with this API https://graph.accountkit.com/v1.1/me/?access_token=xxxxxxxxxxxx. Maybe, once you have the mobile number and the id, you can work with it to verify the user with your server & database.
xxxxxxxxxx above is the Access Token
Example Response :
{
...
Change the selected value of a drop-down list with jQuery
...").prop("selectedIndex", 1);
Note that the prop() feature requires JQuery v1.6 or later.
Let's see how you would use these two functions.
Supposing you had a drop down list of month names.
<select id="listOfMonths">
<option id="JAN">January</option>
<option id="FEB">Febr...
How to log PostgreSQL queries?
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Edit your /etc/postgresql/9.3/main/postgresql.conf, and change the lines as follows.
Note: If you didn't find the postgresql.conf file, then just type $locate postgresql.conf in a terminal
#log_directory = 'pg_log' to log_directory = 'pg_log'
#log_...
Getting the minimum of two values in SQL
...
For MySQL or PostgreSQL 9.3+, a better way is to use the LEAST and GREATEST functions.
SELECT GREATEST(A.date0, B.date0) AS date0,
LEAST(A.date1, B.date1, B.date2) AS date1
FROM A, B
WHERE B.x = A.x
With:
GREATEST(value [, ...]) : Retu...
Possible to perform cross-database queries with PostgreSQL?
... part of the official Postgres distribution.
For Postgres versions before 9.3
Versions this old are no longer supported, but if you need to do this in a pre-2013 Postgres installation, there is a function called dblink.
I've never used it, but it is maintained and distributed with the rest of Pos...