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How does the keyword “use” work in PHP and can I import classes with it?
...ou want to access those class objects then you can do the following:
$smtp_mailer = new SMTPMailer;
$mailgun_mailer = new MailgunMailer;
It will reference the original class.
Some may get confused that then of there are not Similar class names then there is no use of use keyword. Well, you can u...
How to use UIVisualEffectView to Blur Image?
...
-(void) addBlurEffectOverImageView:(UIImageView *) _imageView
{
UIVisualEffect *blurEffect;
blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];
UIVisualEffectView *visualEffectView;
visualEffectView = [[UIVisualEffectView alloc] initWithEffect:...
SQL Server indexes - ascending or descending, what difference does it make?
...
This primarily matters when used with composite indexes:
CREATE INDEX ix_index ON mytable (col1, col2 DESC);
can be used for either:
SELECT *
FROM mytable
ORDER BY
col1, col2 DESC
or:
SELECT *
FROM mytable
ORDER BY
col1 DESC, col2
, but not for:
SELECT *
FROM ...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
...
This worked. The first row had column names in it.
COPY wheat FROM 'wheat_crop_data.csv' DELIMITER ';' CSV HEADER
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Perform .join on value in array of objects
...ame: "Kevin", age: 24},
{name: "Peter", age: 21}
];
var result = _.pluck(users,'name').join(",")
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Multiple aggregations of the same column using pandas GroupBy.agg()
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@sparc_spread Passing multiple functions as a list is well described in the pandas documentation. Renaming and passing multiple functions as a dictionary will be deprecated in a future version of pandas. Details are in the 0.20 cha...
iOS JavaScript bridge
...riptObject
@interface WebScriptBridge: NSObject
- (void)someEvent: (uint64_t)foo :(NSString *)bar;
- (void)testfoo;
+ (BOOL)isKeyExcludedFromWebScript:(const char *)name;
+ (BOOL)isSelectorExcludedFromWebScript:(SEL)aSelector;
+ (WebScriptBridge*)getWebScriptBridge;
@end
static WebScriptBridge *gW...
Detect Safari browser
...ut not "chrome": developers.whatismybrowser.com/useragents/explore/software_name/…
– Eric Andrew Lewis
Mar 1 '19 at 15:41
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show 1 more co...
How to bind an enum to a combobox control in WPF?
... an optional blank value for default/no selection
[Description("")]
NOT_SET = 0,
[Description("Sunday")]
SUNDAY,
[Description("Monday")]
MONDAY,
...
}
First I created helper class with a couple methods to deal with enums. One method gets a description for a specific value, the other ...
jQuery/Javascript function to clear all the fields of a form [duplicate]
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@DayronGallardo Might also want to add $(container_element).find(':checkbox, :radio').prop('checked', false);
– rybo111
Mar 16 '14 at 9:55
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