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Differences between numpy.random and random.random in Python
...te
In [2]: N = 1000000
In [3]: %timeit samples = [normalvariate(0, 1) for _ in xrange(N)]
1 loop, best of 3: 963 ms per loop
In [4]: %timeit np.random.normal(size=N)
10 loops, best of 3: 38.5 ms per loop
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
... @MaxGontar, your mysql solution rocks, thx. what if in your @_TestTable you remove row#1>: SELECT 1, 10, '2009-03-04', 'john', 399 , this is, what if you have a single row for a given home value? thx.
– egidiocs
Nov 11 '11 at 3:44
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Is it safe to remove selected keys from map within a range loop?
...r(1024)
m[k] = GenerateRandStr(1024*1024)
for k2, _ := range m {
delete(m, k2)
break
}
}
}()
osSignals := make(chan os.Signal, 1)
signal.Notify(osSignals, os.Interrupt)
for {
select {
case &...
create a trusted self-signed SSL cert for localhost (for use with Express/Node)
...following content (credit goes to: @Anshul)
req.cnf :
[req]
distinguished_name = req_distinguished_name
x509_extensions = v3_req
prompt = no
[req_distinguished_name]
C = Country initials like US, RO, GE
ST = State
L = Location
O = Organization Name
OU = Organizational Unit
CN = www.localhost.com
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python requests file upload
...
If upload_file is meant to be the file, use:
files = {'upload_file': open('file.txt','rb')}
values = {'DB': 'photcat', 'OUT': 'csv', 'SHORT': 'short'}
r = requests.post(url, files=files, data=values)
and requests will send a multi...
How do I launch the Android emulator from the command line?
...
emulator -avd @name-of-your-emulator
where emulator is under:
${ANDROID_SDK}/tools/emulator
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Declaring a custom android UI element using XML
... //Use a
Log.i("test",a.getString(
R.styleable.MyCustomView_android_text));
Log.i("test",""+a.getColor(
R.styleable.MyCustomView_android_textColor, Color.BLACK));
Log.i("test",a.getString(
R.styleable.MyCustomView_extraInformation));
//Don't forget this...
Should I store entire objects, or pointers to objects in containers?
...ality, for example using placement new (see en.wikipedia.org/wiki/Placement_syntax#Custom_allocators).
– amit
Feb 27 '11 at 11:34
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How do I join two SQLite tables in my Android application?
I have an Android project that has a database with two tables: tbl_question and tbl_alternative .
4 Answers
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How to stage only part of a new file with git?
...business seems overly complicated. How about this instead:
git add -N new_file
git add -i
From git help add:
-N, --intent-to-add
Record only the fact that the path will be added later. An entry
for the path is placed in the index with no content. This is useful
for, among other th...