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How to detect a Christmas Tree? [closed]
Which image processing techniques could be used to implement an application that detects the Christmas trees displayed in the following images?
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In a Bash script, how can I exit the entire script if a certain condition occurs?
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A SysOps guy once taught me the Three-Fingered Claw technique:
yell() { echo "$0: $*" >&2; }
die() { yell "$*"; exit 111; }
try() { "$@" || die "cannot $*"; }
These functions are *NIX OS and shell flavor-robust. Put them at the beginning of your script (bash or otherwise),...
Anatomy of a “Memory Leak”
... edited May 14 '18 at 20:34
q-l-p
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answered Aug 1 '08 at 15:28
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How do I perform the SQL Join equivalent in MongoDB?
How do I perform the SQL Join equivalent in MongoDB?
19 Answers
19
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Select random row from a sqlite table
I have a sqlite table with the following schema:
7 Answers
7
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Get the first item from an iterable that matches a condition
...tant that the resulting method not process the entire list, which could be quite large. For example, the following function is adequate:
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How to change font face of Webview in Android?
...k for me in android 5.1 . I used (Dan Syrstad)'s answer. the difference is quotation font-family: 'myface';
– Mneckoee
Nov 15 '16 at 11:35
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What is the difference between JVM, JDK, JRE & OpenJDK?
... the Oracle JDK and the OpenJDK.
The differences are stated in this blog:
Q: What is the difference between the source code found in the OpenJDK repository, and the code you use to build the Oracle JDK?
A: It is very close - our build process for Oracle JDK releases builds on OpenJDK 7 by adding ju...
Proper indentation for Python multiline strings
...parts you don't need, you should consider the textwrap module or the technique for postprocessing docstrings presented in PEP 257:
def trim(docstring):
if not docstring:
return ''
# Convert tabs to spaces (following the normal Python rules)
# and split into a list of lines:
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Selenium wait until document is ready
...tion. You catch the exception and do your needs. I am not sure whether it quits the page loading after the exception thrown. i didn't try this code yet. Want to just try it.
This is an implicit wait. If you set this once it will have the scope until the Web Driver instance destroy.
See the docume...