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Why use sprintf function in PHP?
... get the rightly aligned 8 digit and commas separated integer. Using number_format is less convenient in a printf style.
– e2-e4
Nov 16 '10 at 6:41
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PHP - Debugging Curl
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You can enable the CURLOPT_VERBOSE option:
curl_setopt($curlhandle, CURLOPT_VERBOSE, true);
When CURLOPT_VERBOSE is set, output is written to STDERR or the file specified using CURLOPT_STDERR. The output is very informative.
You can also use tcpdu...
What is the reason for having '//' in Python? [duplicate]
...ement Alex's response, I would add that starting from Python 2.2.0a2, from __future__ import division is a convenient alternative to using lots of float(…)/…. All divisions perform float divisions, except those with //. This works with all versions from 2.2.0a2 on.
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Setting element of array from Twig
..., for example :
{% for key , value in t%}
{% set temp= temp|merge({(key~'_'):value}) %}
{% endfor %}
t keys : 0 , 1 , 2 ..
temp keys : 0_, 1_ , 2_ ....
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Loop through all nested dictionary values?
...ack edge
/ \ |
_key1 __key2__ |
/ / \ \ |
|->key1.1 key2.1 key2.2 key2.3
| / | |
| value1 value2 |
| |...
More elegant way of declaring multiple variables at the same time
...ension, but here's a very readable implementation:
>>> def invert_dict(inverted_dict):
... elements = inverted_dict.iteritems()
... for flag_value, flag_names in elements:
... for flag_name in flag_names:
... yield flag_name, flag_value
...
>>> flags =...
How to delete an object by id with entity framework
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I am using the following code in one of my projects:
using (var _context = new DBContext(new DbContextOptions<DBContext>()))
{
try
{
_context.MyItems.Remove(new MyItem() { MyItemId = id });
await _context.SaveChangesAsync();
}
...
Call a “local” function within module.exports from another function in module.exports?
... a direct answer to the question
– Kermit_ice_tea
Mar 3 '16 at 23:24
8
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System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
...hen you instantiate the Timer, you should almost always do the following:
_timer = new Timer( Callback, null, TIME_INTERVAL_IN_MILLISECONDS, Timeout.Infinite );
This will instruct the timer to tick only once when the interval has elapsed. Then in your Callback function you Change the timer once t...
Convert a list of data frames into one data frame
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Use bind_rows() from the dplyr package:
bind_rows(list_of_dataframes, .id = "column_label")
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