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“render :nothing => true” returns empty plaintext file?
...der nothing: true, status: 200, content_type: "text/html"
They are technically the same. If you look at the response for either using cURL, you will see:
HTTP/1.1 200 OK
Connection: close
Date: Wed, 1 Oct 2014 05:25:00 GMT
Transfer-Encoding: chunked
Content-Type: text/html; charset=utf-8
X-Runtim...
How to search through all Git and Mercurial commits in the repository for a certain string?
...ind all commits that have 'search_for_this' somewhere in a project, use so called "pickaxe" search, i.e. '-S' option to git log, which finds commits that introduced or removed given string, or to be more exact where number of occurences of a given string changed.
– Jakub Naręb...
iOS: how to perform a HTTP POST request?
...t. It's a great wrapper around NSURLConnection and allows for asynchronous calls, and basically anything you might need.
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How do I make the first letter of a string uppercase in JavaScript?
...is example: the Eiffel Tower -> The Eiffel Tower. Plus, the function is called capitaliseFirstLetter not capitaliseFirstLetterAndLowerCaseAllTheOthers.
– ban-geoengineering
Aug 2 '14 at 10:24
...
Assigning a variable NaN in python without numpy
...ctions import Fraction
>>> Fraction('nan')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python35\lib\fractions.py", line 146, in __new__
numerator)
ValueError: Invalid literal for Fraction: 'nan'
>>>
>>> Fraction(float...
Styling Google Maps InfoWindow
... 'transparent',
arrowStyle: 2
});
infoBubble.open();
You can also call it with a given map and marker to open on:
infoBubble.open(map, marker);
As another example, the Info Window Custom example extends the GOverlay class from the Google Maps API and uses this as a base for creating a mo...
Load HTML file into WebView
...ay would probably be to put your web resources into the assets folder then call:
webView.loadUrl("file:///android_asset/filename.html");
For Complete Communication between Java and Webview See This
Update: The assets folder is usually the following folder:
<project>/src/main/assets
This c...
How to add additional fields to form before submit?
...
I need to add a file field dynamically. I tried having type=file, and the value also as the file (I'm using WebKitDirectory, so I actually get the file objects), however it never seems to pass it. The input text always gets passed though. Please help me out!...
Database cluster and load balancing
...r a cluster having two or more servers share the same storage, some others call a cluster a set of replicated servers.
Replication defines the method by which a set of servers remain synchronized without having to share the storage being able to be geographically disperse, there are two main ways o...
How do I modify fields inside the new PostgreSQL JSON datatype?
...
Edit 2: as @ErwinBrandstetter noted these functions above works like a so-called UPSERT (updates a field if it exists, inserts if it does not exist). Here is a variant, which only UPDATE:
CREATE OR REPLACE FUNCTION "json_object_update_key"(
"json" json,
"key_to_set" TEXT,
"value_t...