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How do I run all Python unit tests in a directory?
...n run all the tests with:
python -m unittest
Done! A solution less than 100 lines. Hopefully another python beginner saves time by finding this.
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How can I get stock quotes using Google Finance API?
...cy="USD";
GF_last="22.82";
GF_high="22.82";
GF_low="22.82";
GF_volume="100";
GF_avg_volume="";
GF_market_cap="4.56";
GF_open="22.82";
GF_y_close="22.80";
GF_change="+0.02";
GF_perc_change="0.09";
GF_delay="0";
GF_trade_timestamp="8 hours ago";
GF_trade_date_utc="20120228";
GF_trade_tim...
C Macro definition to determine big endian or little endian machine?
...rror "unsupported char size"
#endif
enum
{
O32_LITTLE_ENDIAN = 0x03020100ul,
O32_BIG_ENDIAN = 0x00010203ul,
O32_PDP_ENDIAN = 0x01000302ul, /* DEC PDP-11 (aka ENDIAN_LITTLE_WORD) */
O32_HONEYWELL_ENDIAN = 0x02030001ul /* Honeywell 316 (aka ENDIAN_BIG_WORD) */
};
static const un...
filter for complete cases in data.frame using dplyr (case-wise deletion)
...305 1.022891 1.013779 0.9948659 4.668691 20
# rowSums 2.281002 2.377807 2.420615 2.3467519 5.223077 20
# filter 1.000000 1.000000 1.000000 1.0000000 1.000000 20
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Finding what methods a Python object has
...gnores exceptions.
import pandas as pd
df = pd.DataFrame([[10, 20, 30], [100, 200, 300]],
columns=['foo', 'bar', 'baz'])
def get_methods(object, spacing=20):
methodList = []
for method_name in dir(object):
try:
if callable(getattr(object, method_name)):
...
How do I read an entire file into a std::string in C++?
...on times than the other answers presented here, when taking the average of 100 runs against the text of Moby Dick (1.3M). Not bad for a portable C++ solution, I would like to see the results of mmap'ing the file ;)
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Measure the time it takes to execute a t-sql query
...ME=N'TestProc';
SELECT CONVERT(TIME(3),DATEADD(ms,ROUND(last_elapsed_time/1000.0,0),0))
AS LastExecutionTime
FROM sys.dm_exec_procedure_stats
WHERE OBJECT_NAME(object_id,database_id)=@ProcName AND
(OBJECT_SCHEMA_NAME(object_id,database_id)=@SchemaName OR @SchemaName IS NULL) AND
...
How to avoid the “divide by zero” error in SQL?
...
SET ARITHABORT OFF
SET ANSI_WARNINGS OFF
So if you have something like 100/0 it will return NULL. I've only done this for simple queries, so I don't know how it will affect longer/complex ones.
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Center a position:fixed element
...ion: fixed;
width: 500px;
height: 200px;
top: 50%;
left: 50%;
margin-top: -100px; /* Negative half of height. */
margin-left: -250px; /* Negative half of width. */
Or, if you don't care about centering vertically and old browsers such as IE6/7, then you can instead also add left: 0 and right: 0 to...
Replace input type=file by an image
...;
<label for="file-input">
<img src="https://placehold.it/100/000000/ffffff?text=UPLOAD" style="pointer-events: none"/>
</label>
<input id="file-input" type="file" />
</div>
I have used visibility: hidden, width:0 instead of display: none for saf...