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Nodejs send file in response
Expressjs framework has a sendfile() method. How can I do that without using a whole framework. I am using node-native-zip to create an archive and I want to send that to the user.
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How to delete SQLite database from Android programmatically
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Make sure you close all Database connections before deleting. Else you'll have to restart the application.
– Jay Soyer
Aug 2 '13 at 15:58
add a com...
Finding which process was killed by Linux OOM killer
When Linux runs out of memory (OOM), the OOM killer chooses a process to kill based on some heuristics (it's an interesting read: http://lwn.net/Articles/317814/ ).
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How can I get a precise time, for example in milliseconds in Objective-C?
...l is in seconds, but it uses the double to give you greater precision.
In order to calculate millisecond time accuracy, you can do:
// Get a current time for where you want to start measuring from
NSDate *date = [NSDate date];
// do work...
// Find elapsed time and convert to milliseconds
// Use...
Sass calculate percent minus px
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Sass cannot perform arithmetic on values that cannot be converted from one unit to the next. Sass has no way of knowing exactly how wide "100%" is in terms of pixels or any other unit. That's something only the browser knows.
You need to ...
String to Dictionary in Python
...6+, otherwise you can use the excellent third-party simplejson module.
import json # or `import simplejson as json` if on Python < 2.6
json_string = u'{ "id":"123456789", ... }'
obj = json.loads(json_string) # obj now contains a dict of the data
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Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
... have been successfully using gcc on Linux Mint 12. Now I am getting an error. I have recently been doing some .so builds and installed Clang not to long ago, but have successfully compiled since both of those events, so not sure what has changed. I used the GUI Software Manager to remove and then i...
How can I use vim to convert my file to utf8?
...u are editing a file encoded as latin1, you will find that 'fileencoding' for that buffer is set to latin1. So you will need to manually set the fileencoding before saving the file.
:set fileencoding=utf8
:w myfilename
Also note that UTF8 files often begin with a Byte Order Mark (BOM) which indi...
Why does Java allow us to compile a class with a name different than the file name?
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The rationale is to allow more than one top-level class per .java file.
Many classes—such as event listeners—are of local use only and the earliest versions of Java did not support nested classes. Without this relaxation of the "filename = class n...
Using sed to mass rename files
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First, I should say that the easiest way to do this is to use the
prename or rename commands.
On Ubuntu, OSX (Homebrew package rename, MacPorts package p5-file-rename), or other systems with perl rename (prename):
rename s/0000/000/ F0000*
or on systems with rename from util-linux-ng, such as R...