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Resolve promises one after another (i.e. in sequence)?
... take your work
const urls = ['/url1', '/url2', '/url3', '/url4']
// next convert each item to a function that returns a promise
const funcs = urls.map(url => () => $.ajax(url))
// execute them serially
serial(funcs)
.then(console.log.bind(console))
...
Does C have a “foreach” loop construct?
...ou're right, it's one array past the end of the array, but that array type converts to a pointer in this context (an expression), and that pointer is one past the end of the array.
– Steve Cox
Oct 5 '16 at 14:09
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Pass request headers in a jQuery AJAX GET call
...om header HttpRequestMessage r = new HttpRequestMessage(); int mylogonID = Convert.ToInt32(r.Headers.GetValues("logonID")); error out because The given header was not found. because r.Headers is empty.
– Jeb50
Apr 15 '17 at 16:48
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Using new line(\n) in string and rendering the same in HTML
...
This answer does not convert \n within text to a newline
– irl_irl
Jul 25 '17 at 11:20
2
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Get Unix Epoch Time in Swift
... to get for a given date
Int(myDate.timeIntervalSince1970)
If you want to convert back from UNIX time epoch to Swift Date time, you can use following
let date = Date(timeIntervalSince1970: unixtEpochTime)
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MySQL CONCAT returns NULL if any field contain NULL
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convert the NULL values with empty string by wrapping it in COALESCE
SELECT CONCAT(COALESCE(`affiliate_name`,''),'-',COALESCE(`model`,''),'-',COALESCE(`ip`,''),'-',COALESCE(`os_type`,''),'-',COALESCE(`os_version`,'')) AS dev...
How can I add new keys to a dictionary?
...values at the same time, as long as the keys are strings (since kwargs are converted to strings). dict.update can also take another dictionary, but I personally prefer not to explicitly create a new dictionary in order to update another one.
– bgusach
Feb 13 '1...
Passing HTML to template using Flask/Jinja2
...ing display.
If you only want to insert some linebreaks into a string and convert the linebreaks into <br />, then you could take a jinja macro like:
{% macro linebreaks_for_string( the_string ) -%}
{% if the_string %}
{% for line in the_string.split('\n') %}
<br />
{{ line }}
{% endfo...
How do I call ::std::make_shared on a class with only protected or private constructors?
...ivate ctor and a create method returning a raw pointer, and I am trying to convert them to smart pointers.
– zahir
Aug 11 '15 at 7:09
2
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Auto-center map with multiple markers in Google Maps API v3
.../lon coordinates into pixel coordinates and then find the pixel center and convert that back into lat/lon coordinates.
You might not notice or mind the drift depending how far north or south of the equator you are. You can see the drift by doing map.setCenter(map.getBounds().getCenter()) inside of ...