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“Least Astonishment” and the Mutable Default Argument
... and not only a piece of code.
As soon as you get to think into this way, then it completely makes sense: a function is an object being evaluated on its definition; default parameters are kind of "member data" and therefore their state may change from one call to the other - exactly as in any other...
Can't seem to discard changes in Git
...config:
[core]
autocrlf = false
safecrlf = false
eol = crlf
then run $ git checkout HEAD ., and it works. but $ git checkout -- . not, strange!
* git version 1.9.3
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Can I use assert on Android devices?
...ply to both? For example, if I import static junit.framework.Assert.* and then I use one of its methods, like assertNotNull("It's null!", someObject);, is this assertion turned off in shipping bits?
– Jeffro
Nov 28 '11 at 21:15
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Which is the preferred way to concatenate a string in Python?
...1875
However, those who recommend having lists and appending to them and then joining those lists, do so because appending a string to a list is presumably very fast compared to extending a string. And this can be true, in some cases. Here, for example, is one
million appends of a one-character st...
What are the rules for JavaScript's automatic semicolon insertion (ASI)?
...er is unable to parse the input token stream as a single complete Program, then a semicolon is automatically inserted at the end of the input stream.
e.g.:
a = b
++c
is transformed to:
a = b;
++c;
This case occurs when a token is allowed by some production of the grammar, but the...
SQL server query to get the list of columns in a table along with Data types, NOT NULL, and PRIMARY
...') .... I needed WHERE c.object_id = OBJECT_ID('MySchema.MyTableName') and then everything worked fine.
– Ivan
Jun 20 '16 at 11:27
7
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How to remove multiple deleted files in Git repository
... git rm" as a proposed solution for such a simple yet frequent requirement then you know a better solution is, or soon will be, around the corner.
– arcseldon
Oct 4 '13 at 10:10
...
What is “2's Complement”?
...nonnegative and negative decimal values. If the most significant bit is 1, then the binary can be said to be negative, where as if the most significant bit (the leftmost) is 0, you can say the decimal value is nonnegative.
"Sign-magnitude" negative numbers just have the sign bit flipped of their pos...
Bomb dropping algorithm
...n reduce the problem to finding an optimal way to bomb away the perimeter, then we can repeat that until all squares are 0.
But of course, that won't always find an optimal solution if it's possible to bomb
away the perimeter in a less than optimal fashion, but by using X extra bombs make
the pro...
Xcode without Storyboard and ARC
.../////////
If you have Already Created Application with storyboard and ARC then
STEPS FOR REMOVE STORY BOARD
1) Remove Main.storyboard file from your project.
2) Add new files with xib for your controller , if it is not added in compiled sources in build phases then add there manually.
3) Remov...