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How to grep a text file which contains some binary data?
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$ cat -v tmp/test.log | grep re
line1 re ^@^M
line3 re^M
which could be then further post-processed to remove the junk; this is most analogous to your query about using tr for the task.
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Checking if object is empty, works with ng-show but not from controller?
...on the object before I have actually received info from $http. if its null then I couldn't do items.available = true could I ? I was under the impression that i had to create an object
– Martin
Jul 24 '13 at 16:27
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@AspectJ pointcut for all methods of a class with specific annotation
... the pointcut and belong to same class, will this execute on both? If Yes, then see stackoverflow.com/questions/37583539/…, because this is not happening in my case.
– HVT7
Jun 2 '16 at 6:18
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[] and {} vs list() and dict(), which is better?
...y slower than normal http calls. Try running dict() normally in shell and then run timeit("dict()"), you would see visible difference in execution.
– piyush
May 26 '17 at 14:04
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What does the clearfix class do in css? [duplicate]
...ement will "wrap" around the element. It starts by rendering beside it and then below it, like how newspaper text would flow around an image.
Clearfix to the rescue
What clearfix does is to force content after the floats or the container containing the floats to render below it. There are a lot of...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
...lt encoding:
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
and then to load the file you must use io.open to set the encoding:
import io
with io.open(filename, 'r', encoding='utf-8') as lines:
You still need to export the env
export LC_ALL=C.UTF-8
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How can I scan barcodes on iOS?
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There are two major libraries:
ZXing a library written in Java and then ported to Objective C / C++ (QR code only). And an other port to ObjC has been done, by TheLevelUp: ZXingObjC
ZBar an open source software for reading bar codes, C based.
According to my experiments, ZBar is far more a...
How to read integer value from the standard input in Java
... What's the point in catching the NumberFormatException and then printing the stack trace?
– missingfaktor
Mar 24 '10 at 8:13
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How do I turn off PHP Notices?
... = E_ALL & ~E_NOTICE
in /etc/php5/cli/php.ini
command php execution then ommits the notices.
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How to Animate Addition or Removal of Android ListView Rows
... drawing a progressively larger white bar across the top of the list item, then removing it from the list. The other cells would still jerk into place, but it'd better than nothing.
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