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How does free know how much to free?
...mory region in whatever form relevant to the allocator in use, for example raw size, or a node in a binary tree used to track allocations, or a count of memory "units" in use.
free will not fail if you "rename" the pointer, or duplicate it in any way. It is not however reference counted, and only t...
How can I make pandas dataframe column headers all lowercase?
...) for x in data.columns]
example:
>>> data = pd.DataFrame({'A':range(3), 'B':range(3,0,-1), 'C':list('abc')})
>>> data
A B C
0 0 3 a
1 1 2 b
2 2 1 c
>>> data.columns = map(str.lower, data.columns)
>>> data
a b c
0 0 3 a
1 1 2 b
2 2 1 ...
Logging best practices [closed]
...ividual boolean switches to turn on/off specific high volume tracing, e.g. raw message dumps. (Or a separate trace source could be used, similar to WCF/WPF).
You might also want to consider separate trace sources for Activity Tracing vs general (other) logging, as it can make it a bit easier to con...
Downloading a Google font and setting up an offline site that uses it
...Xh38I15wypJXxuGMBvZraR2Tg8w2lzm7kLNL0-w.woff2) format('woff2');
unicode-range: U+0460-052F, U+20B4, U+2DE0-2DFF, U+A640-A69F;
}
Look at src: -> url. Download http://fonts.gstatic.com/s/opensans/v14/xjAJXh38I15wypJXxuGMBvZraR2Tg8w2lzm7kLNL0-w.woff2 and save to fonts directory. After tha...
How do I determine whether an array contains a particular value in Java?
...t this is still better then "rolling your own" and easier to read then the raw java way.
– Jason
Dec 7 '12 at 17:48
2
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Calculate number of hours between 2 dates in PHP
...when DST ends. So its usage is subjective to your desired outcome and date range.
See the current bug report
//set timezone to UTC to disregard daylight savings
date_default_timezone_set('America/New_York');
$interval = new \DateInterval('PT1H');
//DST starts Apr. 2nd 02:00 and moves to 03:00
...
What uses are there for “placement new”?
...our. It is more consistent to use operator new/operator delete to allocate raw memory inteded for use by placement new.
– CB Bailey
Mar 21 '10 at 15:10
32
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How to break out of multiple loops?
...e True:
print "current state"
while True:
ok = raw_input("Is this ok? (y/n)")
if ok == "y" or ok == "Y": raise mylabel
if ok == "n" or ok == "N": break
print "more processing"
Advantages: (1) it's slightly cleaner (no explicit try-except ...
RestSharp JSON Parameter Posting
...var response = client.Execute(request);
var content = response.Content; // raw content as string
body :
{
"userId":"sam@company.com" ,
"password":"welcome"
}
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...
LEFT OUTER JOIN in LINQ
... Thanks for the answer. It yielded the closest thing to the raw SQL LEFT OUTER JOIN I've written over the years
– John Gathogo
Feb 8 '17 at 6:00
2
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