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git replace local version with remote version
...eUploader: {
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Download multiple files as a zip-file using php
...e file, by setting the header, read the zip contents and output the file.
http://www.php.net/manual/en/function.ziparchive-addfile.php
http://php.net/manual/en/function.header.php
share
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improve ...
How can I delete a newline if it is the last character in a file?
...put (it is the POSIX-compliant alternative to the nonstandard echo -n; see http://pubs.opengroup.org/onlinepubs/009696799/utilities/echo.html and https://unix.stackexchange.com/a/65819)
A guide to the other answers:
If Perl is available, go for the accepted answer - it is simple and memory-eff...
PostgreSQL: Difference between text and varchar (character varying)
...it's all varlena (variable length array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n)...
Regex to test if string begins with http:// or https://
... regexp which will check the start of a string, and if it contains either http:// or https:// it should match it.
9 Ans...
How to get the value from the GET parameters?
...ch is part of the APIs provided by browsers to JS):
var url_string = "http://www.example.com/t.html?a=1&b=3&c=m2-m3-m4-m5"; //window.location.href
var url = new URL(url_string);
var c = url.searchParams.get("c");
console.log(c);
For older browsers (including Internet Explore...
Multiple queries executed in java in single statement
...eUploader: {
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...ectly).
For reference, here is a sample code in Mathematica:
f = Import["http://thwartedglamour.files.wordpress.com/2010/06/my-coffee-table-1-sa.jpg"]
f = ImageResize[f, ImageDimensions[f][[1]]/4]
g = MedianFilter[ColorConvert[f, "Grayscale"], 2]
h = DeleteSmallComponents[Thinning[
Binarize[I...
How many bytes does one Unicode character take?
...ed in your browser (probably because the font doesn't support them), go to http://codepoints.net/U+1F6AA (replace 1F6AA with the codepoint in hex) to see an image.
U+0061 LATIN SMALL LETTER A: a
Nº: 97
UTF-8: 61
UTF-16: 00 61
U+00A9 COPYRIGHT SIGN: ©
Nº: 169
UTF-8: C2 A9
UTF-16: 00 A9
U+...
What's the result of += in C and C++?
...eUploader: {
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