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How do you use the Immediate Window in Visual Studio?
...lity to evaluate the return value of a method particularly if it is called by your client code but it is not part of a variable assignment. In Debug mode, as mentioned, you can interact with variables and execute expressions in memory which plays an important role in being able to do this.
For exam...
Java regex capturing groups indexes
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A capturing group, apart from grouping, will also record the text matched by the pattern inside the capturing group (pattern). Using your example, (.*):, .* matches ABC and : matches :, and since .* is inside capturing group (.*), the text ABC is recorded for the capturing group 1.
Group number
T...
Round a double to 2 decimal places [duplicate]
..., with cleaner code too.
So, use this instead
(Adapted from this answer by Louis Wasserman and this one by Sean Owen.)
public static double round(double value, int places) {
if (places < 0) throw new IllegalArgumentException();
BigDecimal bd = BigDecimal.valueOf(value);
bd = bd.s...
Calling a function within a Class method?
... need to "point" to it. From the outside you just use the resource created by the new statement.
Inside any object PHP created by new, saves the same resource into the $this variable.
So, inside a class you MUST point to the method by $this.
In your class, to call smallTest from inside the class, yo...
Correct mime type for .mp4
...-Type for MPEG-4 video.
Generally, you can find official MIME definitions by searching for the file extension and "IETF" or "RFC". The RFC (Request for Comments) articles published by the IETF (Internet Engineering Taskforce) define many Internet standards, including MIME types.
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How to commit a change with both “message” and “description” from the command line? [duplicate]
...nsert mode, for that press ESC. Now close the Vim editor with save changes by typing on the keyboard :wq (w - write, q - quit):
and press ENTER.
On GitHub this commit will looks like this:
As a commit editor you can use VS Code:
git config --global core.editor "code --wait"
From VS Code do...
How to remove from a map while iterating it?
... we only care about the elements. The syntax for the RBFL makes this clear by not even exposing the container inside the loop body.
Edit. Pre-C++11, you could not erase const-iterators. There you would have to say:
for (std::map<K,V>::iterator it = m.begin(); it != m.end(); ) { /* ... */ }
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Standard alternative to GCC's ##__VA_ARGS__ trick?
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Judging by my disability to find a solution on the web and the lack of answers here, I guess you're right ):
– jwd
Apr 11 '11 at 16:27
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Spring MVC: Complex object as GET @RequestParam
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Note that Spring by default requiers getters/setters for the MyObject to bind it automatically. Otherway it won't bind the myObject.
– aka_sh
Dec 31 '14 at 14:29
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The cause of “bad magic number” error when loading a workspace and how to avoid it?
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Also worth noting the following from a document by the R Core Team summarizing changes in versions of R after v3.5.0 (here):
R has new serialization format (version 3) which supports custom serialization of
ALTREP framework objects... Serialized data in format 3 cannot be...