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Template default arguments
...template arguments must be present but you can leave them empty.
Think of it like a function foo with a single default argument. The expression foo won't call it, but foo() will. The argument syntax must still be there. This is consistent with that.
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How do I align views at the bottom of the screen?
...nd constrain the bottom of the view to the bottom of the ConstraintLayout with app:layout_constraintBottom_toBottomOf="parent"
The example below creates a FloatingActionButton that will be aligned to the end and the bottom of the screen.
<android.support.constraint.ConstraintLayout
xmlns:and...
Java SecurityException: signer information does not match
...as usual, and suddenly got the following error message. Why? How can I fix it?
18 Answers
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npm not working - “read ECONNRESET”
I'm having a problem with npm, I cant install anything. Here is the error messages:
26 Answers
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Django - how to create a file and save it to a model's FileField?
Here's my model. What I want to do is generate a new file and overwrite the existing one whenever a model instance is saved:
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Enable remote MySQL connection: ERROR 1045 (28000): Access denied for user
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GRANT ALL PRIVILEGES ON *.* TO 'USERNAME'@'IP' IDENTIFIED BY 'PASSWORD' with grant option;
;
where IP is the IP you want to allow access, USERNAME is the user you use to connect, and PASSWORD is the relevant password.
If you want to allow access from any IP just put % instead of your IP
and t...
Reading string from input with space character? [duplicate]
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What I'm trying to do is reading a string (like "Barack Obama" ) and put it in a variable:
14 Answers
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How to prevent Browser cache for php site
I have a php site running in cloud server.When ever i add new files css, js or images the browser is loading the same old js, css and image files stored in cache.
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How to get first character of a string in SQL?
I have a SQL column with a length of 6. Now want to take only the first char of that column. Is there any string function in SQL to do this?
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How do I concatenate const/literal strings in C?
...re just plain char arrays. Therefore, you can't directly concatenate them with other "strings".
You can use the strcat function, which appends the string pointed to by src to the end of the string pointed to by dest:
char *strcat(char *dest, const char *src);
Here is an example from cplusplus.c...