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Encoding as Base64 in Java
...read why you shouldn't use sun.* packages.
Update (2016-12-16)
You can now use java.util.Base64 with Java 8. First, import it as you normally do:
import java.util.Base64;
Then use the Base64 static methods as follows:
byte[] encodedBytes = Base64.getEncoder().encode("Test".getBytes());
Syst...
When to use virtual destructors?
...Here, you'll notice that I didn't declare Base's destructor to be virtual. Now, let's have a look at the following snippet:
Base *b = new Derived();
// use b
delete b; // Here's the problem!
Since Base's destructor is not virtual and b is a Base* pointing to a Derived object, delete b has undefin...
VS 2012: Scroll Solution Explorer to current file
... I use VS2015 + ReSharper on Win10 and this is the only way that works now. If you're willing to use a different shortcut, look for "SolutionExplorer.SyncWithActiveDocument" on Keyboard options.
– ScottRhee
Oct 17 '16 at 5:45
...
Lock Escalation - What's happening here?
...'s change it here:
ALTER TABLE dbo.Test SET (LOCK_ESCALATION = DISABLE)
Now, if I try to change the Col1 type in SSMS table designer, SSMS generates a script that re-creates the whole table:
BEGIN TRANSACTION
SET QUOTED_IDENTIFIER ON
SET ARITHABORT ON
SET NUMERIC_ROUNDABORT OFF
SET CONCAT_NULL_Y...
Getting rid of all the rounded corners in Twitter Bootstrap
...r-radius: 0 !important;
}
In bootstrap 3 if you are compiling it you can now set radius in the variables.less file:
@border-radius-base: 0px;
@border-radius-large: 0px;
@border-radius-small: 0px;
In bootstrap 4 if you are compiling it you can disable radius alltogether in the...
How can I propagate exceptions between threads?
...
This is now part of C++11 and is supported by MSVS 2010; see msdn.microsoft.com/en-us/library/dd293602.aspx.
– Johan Råde
Jan 9 '12 at 8:06
...
Meaning of Choreographer messages in Logcat [duplicate]
...nstalled the latest versions of SDK (API 16) and got the latest ADT. I'm now seeing these messages in the logcat, that I'm quite sure, I haven't seen before. Does anyone have an idea about this?
...
How to convert a double to long without casting?
... going via the wrapper classes - and more importantly, it's more readable. Now, if you need rounding other than "always towards zero" you'll need slightly more complicated code.
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How to do a regular expression replace in MySQL?
...expression matching in the manner of the REGEXP and RLIKE operators, which now are synonyms for that function. In addition, the REGEXP_INSTR(), REGEXP_REPLACE(), and REGEXP_SUBSTR() functions are available to find match positions and perform substring substitution and extraction, respectively.
SELE...
What is 'Currying'?
...function that takes two arguments, a and b, and returns their sum. We will now curry this function:
function add (a) {
return function (b) {
return a + b;
}
}
This is a function that takes one argument, a, and returns a function that takes another argument, b, and that function returns th...