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Parse large JSON file in Nodejs
... until you hit a newline. Assuming we have one JSON object per line (basically, format B):
var stream = fs.createReadStream(filePath, {flags: 'r', encoding: 'utf-8'});
var buf = '';
stream.on('data', function(d) {
buf += d.toString(); // when data is read, stash it in a string buffer
pump...
SQL DROP TABLE foreign key constraint
If I want to delete all the tables in my database like this, will it take care of the foreign key constraint? If not, how do I take care of that first?
...
How to remove a directory from git repository?
...Remove duplicated directory"
git push origin <your-git-branch> (typically 'master', but not always)
Remove directory from git but NOT local
As mentioned in the comments, what you usually want to do is remove this directory from git but not delete it entirely from the filesystem (local)
In ...
Generating random strings with T-SQL
... that generates object names in a reproducible manner:
alter procedure usp_generateIdentifier
@minLen int = 1
, @maxLen int = 256
, @seed int output
, @string varchar(8000) output
as
begin
set nocount on;
declare @length int;
declare @alpha varchar(8000)
, @digit...
How to sort mongodb with pymongo
...rameters.
So if you want to sort by, let's say, id then you should .sort("_id", 1)
For multiple fields:
.sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)])
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improve thi...
C++11 emplace_back on vector?
...ill be changed in C++20.
In other words, even though implementation internally will still call T(arg0, arg1, ...) it will be considered as regular T{arg0, arg1, ...} that you would expect.
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...
Fragment onCreateView and onActivityCreated called twice
...ment in the constructor seems to make the double onCreateView problem magically go away (I assume it just ends up being null for onTabSelected when called through the ActionBar.setSelectedNavigationItem() path when saving/restoring state).
...
Recreating a Dictionary from an IEnumerable
...target.GetComponents()
.ToDictionary(x => x.Key, x => x.Value);
There's no such thing as an IEnumerable<T1, T2> but a KeyValuePair<TKey, TValue> is fine.
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...
How to show popup message like in Stack Overflow
...he example.
Here's how Stackoverflow does it:
This is the markup, initially hidden so we can fade it in:
<div id='message' style="display: none;">
<span>Hey, This is my Message.</span>
<a href="#" class="close-notify">X</a>
</div>
Here are the style...
PHP: How to handle
...s a string. (in this example, the casting is superfluous, as echo automatically does it anyway)
$content = simplexml_load_string(
'<content><![CDATA[Hello, world!]]></content>'
);
echo (string) $content;
// or with parent element:
$foo = simplexml_load_string(
'<foo&g...