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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
...8 // array[]
This shouldn't be surprising, as the PHP manual notes this:
If you use array_push() to add one element to the array it's better to use $array[] = because in that way there is no overhead of calling a function.
The way it is phrased I wouldn't be surprised if array_push is more effic...
Spring Boot not serving static content
...pringframework.boot.autoconfigure.web.WebMvcAutoConfiguration. That's fine if you want complete control but otherwise, it's a problem.
There's no need to write any code to add another location for static resources in addition to what is already provided. Looking at org.springframework.boot.autoconfi...
How to print a float with 2 decimal places in Java?
...esentation of a floating-point number (f) from the start of the format specifier (%).
There are other conversion characters you can use besides f:
d: decimal integer
o: octal integer
e: floating-point in scientific notation
...
Default value of BOOL
...
There is no default value if you write
-(void)somemethod {
BOOL x; // <--- no default value
It is initialized to garbage.
However, for a BOOL ivar, it will be initialized to NO, as the whole instance is filled with 0 on initialization.
(Not...
What is self-documenting code and can it replace well documented code? [closed]
...ented code, you don't have to explain every single line because every identifier (variable, method, class) has a clear semantic name. Having more comments than necessary actually makes it harder (!) to read the code, so if your colleague
writes documentation comments (Doxygen, JavaDoc, XML comment...
Selecting empty text input using jQuery
How do I identify empty textboxes using jQuery? I would like to do it using selectors if it is at all possible. Also, I must select on id since in the real code where I want to use this I don't want to select all text inputs.
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SQL Server add auto increment primary key to existing table
...TABLE dbo.YourTable
ADD CONSTRAINT PK_YourTable
PRIMARY KEY(ID)
or if you prefer to do all in one step:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
CONSTRAINT PK_YourTable PRIMARY KEY CLUSTERED
share
...
Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
Is there a better way than the following to check to see if a string is nil OR has a length of 0 in Ruby?
16 Answers
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setBackground vs setBackgroundDrawable (Android)
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It's deprecated but it still works so you could just use it. But if you want to be completly correct, just for the completeness of it... You'd do something like following:
int sdk = android.os.Build.VERSION.SDK_INT;
if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
setBackgroun...
Write string to text file and ensure it always overwrites the existing content.
...that I want to write to a file and always overwrite the existing content. If the file isn't there, the program should create a new file instead of throwing an exception.
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