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How to load all modules in a folder?
...already loaded. Without that check the above will load the module a second time :)
– Niall Douglas
Mar 5 '12 at 21:00
3
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Read a text file using Node.js?
...pe to read the file line by line without read all the file into memory one time.
var fs = require('fs'),
es = require('event-stream'),
os = require('os');
var s = fs.createReadStream(path)
.pipe(es.split())
.pipe(es.mapSync(function(line) {
//pause the readstream
s....
Factory Pattern. When to use factory methods?
...tively nested, when your House fails creating you will probably spend some time trying to isolate exactly what is failing.
The alternative is to do the following (dependency injection, if you like the fancy term):
$TVObj = new TV($param1, $param2, $param3);
$LivingroomObj = new LivingRoom($TVObj, ...
How do emulators work and how are they written? [closed]
...cessor. The core problem with interpretation is that it's very slow; each time you handle a given instruction, you have to decode it and perform the requisite operation.
With dynamic recompilation, you iterate over the code much like interpretation, but instead of just executing opcodes, you build ...
How do you move a file?
...e issues moving over 1,500 files in one go. Moving them one directory at a time seemed to get rid of this issue though.
– Michael Murphy
Jun 4 '19 at 12:31
add a comment
...
Why is Maven downloading the maven-metadata.xml every time?
...us in my case, Maven Central if you're not using your own remote repo) any time Maven needs to retrieve a snapshot artifact during a build, checking to see if there's a newer copy. The metadata is required for this. If there is a newer copy Maven downloads it to your local repo.
In the example, f...
How to check command line parameter in “.bat” file?
...at's wrong with the quotes?
Again, short answer: they are "magical" - sometimes double (double) quotes get converted to a single (double) quote. And they need to match, for a start.
Consider this little script:
@rem argq.bat
@echo off
:loop
if "%1"=="" goto :done
echo %1
shift
goto :loop
:done...
Can someone explain __all__ in Python?
... Instead we have to type down their names and correct them individually anytime a name changes. Seems very bug prone for active codebases.
– Julio Cezar Silva
Aug 7 at 15:01
a...
vs
... disables the lookahead downloader in IE8, which can impact your page load times. Yeah, yeah, I know... drop IE8. @MészárosLajos can come back here in a couple of years and bust our balls for still supporting IE8. ;-)
– erturne
Mar 5 '14 at 2:38
...
Update a table using JOIN in SQL Server?
...ly, is that you're going to have to re-run this entire update every single time any row in table2 changes. A SUM is something you can always calculate at runtime and, in doing so, never have to worry that the result is stale.
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