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How to show particular image as thumbnail while implementing share on Facebook?
... that facebook does do some caching with regard to this information, so in order for changes to take effect your page will have t be scraped as stated in the documentation :
Editing Meta Tags
You can update the attributes of your page by updating your page's
tags. Note that og:title an...
Tab Vs Space preferences in Vim
...red Oct 23 '09 at 0:09
too much phptoo much php
78.8k3333 gold badges120120 silver badges133133 bronze badges
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Shorten string without cutting words in JavaScript
...led this question a million ways and could only find a working version for php nothing close to this and involving loops.
– Josh Bedo
Mar 28 '11 at 3:20
1
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How can I convert JSON to CSV?
... This code also assumes that the values will be output in the same order as the keys in the header row. While that may have worked by luck, it is by no means guaranteed.
– RyanHennig
Jul 28 '15 at 19:09
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java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
...rmat
UTF-16BE Sixteen-bit UCS Transformation Format, big-endian byte order
UTF-16LE Sixteen-bit UCS Transformation Format, little-endian byte order
UTF-16 Sixteen-bit UCS Transformation Format, byte order identified by an optional byte-order mark
Example:
import java.net.URLEnco...
What is a memory fence?
...
For performance gains modern CPUs often execute instructions out of order to make maximum use of the available silicon (including memory read/writes). Because the hardware enforces instructions integrity you never notice this in a single thread of execution. However for multiple threads or en...
How to get the value from the GET parameters?
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You can gain more precision and allow any order of parameters by prepending with [?|&] as in [?|&]myParam=([^&]+)
– 1.21 gigawatts
May 21 '18 at 23:52
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Principal component analysis in Python
....dinv: 1/d or 0, see NR
p.eigen: the eigenvalues of A*A, in decreasing order (p.d**2).
eigen[j] / eigen.sum() is variable j's fraction of the total variance;
look at the first few eigen[] to see how many PCs get to 90 %, 95 % ...
p.npc: number of principal components,
...
How do I resolve git saying “Commit your changes or stash them before you can merge”?
...g acts as a stack, where you can push changes, and you pop them in reverse order.
To stash, type
git stash
Do the merge, and then pull the stash:
git stash pop
Discard the local changes
using git reset --hard
or git checkout -t -f remote/branch
Or: Discard local changes for a specific file
...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
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