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SQL, Postgres OIDs, What are they and why are they useful?
...ned system column oid will no longer be invisible by default. Performing a SELECT * will now include this column. Note that this extra “surprise” column may break naïvely written SQL code.
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How to add a new row to an empty numpy array
...it would be much faster to append to a list as in your first example, then convert to a numpy array at the end, since you're really not using numpy as intended during the loop:
In [210]: %%timeit
.....: l = []
.....: for i in xrange(1000):
.....: l.append([3*i+1,3*i+2,3*i+3])
.....:...
Limitations of Intel Assembly Syntax Compared to AT&T [closed]
...ay Devil's Advocate and suggest that you could simply script vim into auto-converting *.s files to the syntax of your choice.
– bug
Sep 7 '12 at 1:50
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StringBuilder vs String concatenation in toString() in Java
... StringBuilder optimization. I was using a decompiler and, some how, it is converting back to concat. +1
– bruno conde
Oct 7 '09 at 16:30
81
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How to override and extend basic Django admin templates?
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For reference; the snippet in question has been converted to a django app, and is available in PyPi (pip/easy_install) as django-apptemplates: pypi.python.org/pypi/django-apptemplates
– Romløk
Oct 9 '12 at 9:19
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Understanding ibeacon distancing
...ually the difference in dB. So:
ratio_dB = txCalibratedPower - RSSI
To convert that into a linear ratio, we use the standard formula for dB:
ratio_linear = 10 ^ (ratio_dB / 10)
If we assume conservation of energy, then the signal strength must fall off as 1/r^2. So:
power = power_at_1_meter...
What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
...oves the need of all the boilerplate of gathering HTTP request parameters, converting/validating them, updating the model values, executing the right Java method to do the business stuff and generating the HTML/CSS/JS boilerplate code. With JSF you basically end up with a XHTML page as view definiti...
How do you match only valid roman numerals with a regular expression?
... where text such as "the Red Seacl and the Great Barrier Reefcli" had been converted to the Red Seacl and the Great Barrier Reefcli. But I still had problems with valid words like Tahiti and fantastic are scrubbed into Tahit and fantasti.
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How to get the contents of a webpage in a shell variable?
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Wget 1.14 version is not accepting convert_links = on with -O- option. It is failing with error -k can be used together with -O only if outputting to a regular file.. Is it expected?
– Prasad Bonthu
Jul 17 '18 at 14:40
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Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
..., the three-way tab is always the third tab, while the first tab is always selected by default. Is there a way to make the three-way tab selected by default?
– Sam Kauffman
Dec 1 '15 at 20:33
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