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Is there a way to select sibling nodes?
...e of the following should do the trick.
// METHOD A (ARRAY.FILTER, STRING.INDEXOF)
var siblings = function(node, children) {
siblingList = children.filter(function(val) {
return [node].indexOf(val) != -1;
});
return siblingList;
}
// METHOD B (FOR LOOP, IF STATEMENT, ARRAY.PUSH...
How to remove files from git staging area?
...
You can unstage files from the index using
git reset HEAD -- path/to/file
Just like git add, you can unstage files recursively by directory and so forth, so to unstage everything at once, run this from the root directory of your repository:
git reset H...
Wrong requestCode in onActivityResult
...quest code is not wrong. When using v4 support library fragments, fragment index is encoded in the top 16 bits of the request code and your request code is in the bottom 16 bits. The fragment index is later used to find the correct fragment to deliver the result.
Hence for Activities started form f...
BigDecimal equals() versus compareTo()
...
The answer is in the JavaDoc of the equals() method:
Unlike compareTo, this method considers two BigDecimal objects equal only if they are equal in value and scale (thus 2.0 is not equal to 2.00 when compared by this method).
In other words: equals() check...
How to get record created today by rails activerecord?
...ws.
Typically, if you perform lookups based on created_at column, add an index on the table in your migration file.
add_index :posts, :created_at
Now, to lookup records created today:
Rails 3/4
Post.where("created_at >= ?", Time.zone.now.beginning_of_day)
To lookup posts created on a spe...
Is 1.0 a valid output from std::generate_canonical?
...(0xffffffd9u), which when rounded to 32-bit float gives 0x1p+32, which is equal to the max value of mt19937, 4294967295 (0xffffffffu) when that is also rounded to 32-bit float.
The standard could ensure correct behavior if it were to specify that when converting from the output of the URNG to the R...
git: Switch branch and ignore any changes without committing
...inor changes) or
checkout -f (When switching branches, proceed even if the index or the working tree differs from HEAD. This is used to throw away local changes. )
Or, more recently:
With Git 2.23 (August 2019) and the new command git switch:
git switch -f <branch-name>
(-f is short for --...
Why are only final variables accessible in anonymous class?
...
stackoverflow.com/questions/7472195/…
– Ustaman Sangat
Sep 19 '11 at 14:04
11
...
How can I wrap text to some length in Vim?
...you can reformat your text by highlighting it (in visual mode) and typing gq. (textwidth can be abbreviated as tw, thus :set tw=30.)
Option 2 can be toggled by running :set wrap / :set nowrap. This will wrap lines which are too long for the window.
Both are independent.
...
What does string::npos mean in this code?
... npos is of size_t, it means it can not be negative... real meaning is max_index, 18446744073709551615 for 64 bit size_t
– NoSenseEtAl
Sep 4 '14 at 12:33
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