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Get a random boolean in python?
...tter
$ python -m timeit -s "import random" "random.choice([True, False])"
1000000 loops, best of 3: 0.904 usec per loop
$ python -m timeit -s "import random" "random.choice((True, False))"
1000000 loops, best of 3: 0.846 usec per loop
$ python -m timeit -s "import random" "random.getrandbits(1)"
1...
Open Facebook page from Android app?
... Just to note that fb://profile/ is NOT supported on Facebook app v1.3.2 which is included in stock Nexus One 2.3.6
– Mark
May 7 '14 at 14:55
3
...
Why does GCC generate such radically different assembly for nearly the same C code?
...ng:
for(ra=0;ra<20;ra++) dummy(ra);
It produced somewhere between 60-100 lines of assembler. It unrolled the loop. I didn't count the lines, if you think about it, it has to add, copy the result to the input to the function call, make the function call, three operations minimum. so dependin...
Remove all occurrences of a value from a list?
...
Consider x = [1] * 10000 + [2] * 1000. The loop body executes 1000 times and .remove() has to skip 10000 elements every time it's invoked. That smells like O(n*n) to me but is no proof. I think the proof would be to assume that the number of 2s...
MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...tem to TemperatureValues value
// 限制数据点数量（保留最近100个点）
if length of TemperatureTimestamps > 100 then
remove list item at position 1 from TemperatureTimestamps
remove list item at position 1 from TemperatureValues
end if
// 更新图表显...
Getting the PublicKeyToken of .Net assemblies
...
VS 2015 on 64bit Windows :
"%ProgramFiles(x86)%\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6.1 Tools\sn.exe" -T <assemblyname>
Note that for the versions VS2012+, sn.exe application isn't anymore in bin but in a sub-folder. Also, note that for 64bit you need to specify (x86) folder.
If y...
MySQL DROP all tables, ignoring foreign keys
...
100
Here is SurlyDre's stored procedure modified so that foreign keys are ignored:
DROP PROCEDURE...
When to use IMG vs. CSS background-image?
...t;</div>
...and CSS:
#headerImage {
width: 200px;
height: 100px;
background: url(Images/headerImage.png) no-repeat;
}
A few days later, you change the location of the image. All you have to do is update the CSS:
#headerImage {
width: 200px;
height: 100px;
backgrou...
Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
...and:
ALTER TABLE YourTableName
ALTER COLUMN OffendingColumn
VARCHAR(100) COLLATE Latin1_General_CI_AS NOT NULL
Marc
UPDATE: to find the fulltext indices in your database, use this query here:
SELECT
fti.object_Id,
OBJECT_NAME(fti.object_id) 'Fulltext index',
fti.is_enabled,
...
How to convert JSON string to array
...
100
Try this:
$data = json_decode($your_json_string, TRUE);
the second parameter will make deco...