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Detect network connection type on Android
...riendly) information about connection type. You can use this code (derived from a @hide method in TelephonyManager.java).
This method returns a String describing the current connection type.
i.e. one of : "WIFI" , "2G" , "3G" , "4G" , "5G" , "-" (not connected) or "?" (unknown)
Remark: This code ...
Where's my JSON data in my incoming Django request?
... Django < 1.4). This will give you the raw JSON data sent via the post. From there you can process it further.
Here is an example using JavaScript, jQuery, jquery-json and Django.
JavaScript:
var myEvent = {id: calEvent.id, start: calEvent.start, end: calEvent.end,
allDay: calEv...
Devise Secret Key was not set
...how do you get them to your production environment? You push them directly from your local development environment to heroku using figaro, and your secret keys will end up as environment variables on heroku
– ahnbizcad
Jan 31 '15 at 10:00
...
if else statement in AngularJS templates
I want to do a condition in an AngularJS template. I fetch a video list from the Youtube API. Some of the videos are in 16:9 ratio and some are in 4:3 ratio.
...
rsync: difference between --size-only and --ignore-times
...ore transferring data. Notably, this means the static checksum is distinct from the stream checksum - the later is computed while transferring data.
By default, rsync uses only 1 and 2. Both 1 and 2 can be acquired together by a single stat, whereas 3 requires reading the entire file (this is indep...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
... will be spared here but that basic process is:
get maxLocalOpOrdinal from each server.
if a majority of servers are not up (from this server’s POV), remain in Secondary mode and stop.
if the last op time seems very old, stop and await human intervention.
else, using a consensus pro...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
... is, as you've shown.) I would have expected the evaluated result of true (from the first operator invocation, cause by ||) to be "passed along" to the if statement. That's certainly what would happen if you put a function call in there, for example.
– Dan Tao
...
How to Find And Replace Text In A File With C#
...
You're going to have a hard time writing to the same file you're reading from. One quick way is to simply do this:
File.WriteAllText("test.txt", File.ReadAllText("test.txt").Replace("some text","some other text"));
You can lay that out better with
string str = File.ReadAllText("test.txt");
str...
What does template mean?
...x = N;
In fact, we can create algorithms which evaluate at compile time (from Wikipedia):
template <int N>
struct Factorial
{
enum { value = N * Factorial<N - 1>::value };
};
template <>
struct Factorial<0>
{
enum { value = 1 };
};
// Factorial<4>::value...
What is the HEAD in git?
...d to as heads - they're stored in refs/heads. Lower-case head is different from HEAD, though. My answer clarifies this a bit.
– Cascabel
Mar 27 '10 at 16:26
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