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Database sharding vs partitioning
...here: Instagram Engineering - Sharding & IDs
See here as well: http://www.quora.com/Whats-the-difference-between-sharding-and-partition
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What is http multipart request?
...
The content type "application/x-www-form-urlencoded" is inefficient for sending large quantities of binary data or text containing non-ASCII characters. The content type "multipart/form-data" should be used for submitting forms that contain files, non-ASCII...
How to limit depth for recursive file list?
...nd /tmp -mindepth 2 -maxdepth 2 -type d -printf '%M %u %g %p\n'
drwx------ www-data www-data /tmp/user/33
drwx------ octopussy root /tmp/user/126
drwx------ root root /tmp/user/0
drwx------ siegel root /tmp/user/1000
drwxrwxrwt root root /tmp/systemd-[...].service-HRUQm...
Create timestamp variable in bash script
...plete list of these specifiers in the official documentation here: https://www.gnu.org/software/coreutils/manual/html_node/Time-conversion-specifiers.html#Time-conversion-specifiers
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Where is body in a nodejs http.get response?
...ody of the response through handling data event:
var options = {
host: 'www.google.com',
port: 80,
path: '/upload',
method: 'POST'
};
var req = http.request(options, function(res) {
console.log('STATUS: ' + res.statusCode);
console.log('HEADERS: ' + JSON.stringify(res.headers));
res....
Anatomy of a “Memory Leak”
... with generating crash dumps, to replace ADPlus, called DebugDiag.
http://www.microsoft.com/downloads/details.aspx?FamilyID=28bd5941-c458-46f1-b24d-f60151d875a3&displaylang=en
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Differences between action and actionListener
...purposes!)
Calling this from a Facelet like this:
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core">
<h:body>
<h:form>
<h:commandButton value="test" actionListener="#{myBean....
C++, Free-Store vs Heap
...
See http://www.gotw.ca/gotw/009.htm; it can describe the differences between the heap and the free-store far better than I could:
Free-store:
The free store is one of the two
dynamic memory areas, allocated/freed
by new/delete....
How do I find Waldo with Mathematica?
...rst, I'm filtering out all colours that aren't red
waldo = Import["http://www.findwaldo.com/fankit/graphics/IntlManOfLiterature/Scenes/DepartmentStore.jpg"];
red = Fold[ImageSubtract, #[[1]], Rest[#]] &@ColorSeparate[waldo];
Next, I'm calculating the correlation of this image with a simple bl...
Select something that has more/less than x character
...ngth(), mysql also uses Length.
Here is the Oracle documentation:
http://www.techonthenet.com/oracle/functions/length.php
And here is the mySQL Documentation of Length(string):
http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_length
For PostgreSQL, you can use length(string...