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Trying to start a service on boot on Android
...on android:name="android.intent.action.QUICKBOOT_POWERON" />
Receiver now look like this:
<receiver android:name="org.yourapp.OnBoot">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
<action android:name="android.intent.act...
Read whole ASCII file into C++ std::string [duplicate]
...where you're getting the t.open("file.txt", "r") syntax from. As far as I know that's not a method that std::ifstream has. It looks like you've confused it with C's fopen.
Edit: Also note the extra parentheses around the first argument to the string constructor. These are essential. They prevent th...
How can I expose more than 1 port with Docker?
... create --name `container name` --expose 7000 --expose 7001 `image name`
Now, when you start this container using the docker start command, the configured ports above will be exposed.
share
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impr...
Latex Remove Spaces Between Items in List
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I would also like to add that the nolistsep option is now deprecated, and that its successor is nosep, which "kills all vertical spacing".
– larsac07
May 15 '16 at 18:48
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String concatenation vs. string substitution in Python
... large boosts in performance..."
If performance matters, this is good to know.
However, performance problems I've seen have never come down to string operations. I've generally gotten in trouble with I/O, sorting and O(n2) operations being the bottlenecks.
Until string operations are the perfor...
Printf width specifier to maintain precision of floating-point value
...#endif
The "+ 3" was the crux of my previous answer.
Its centered on if knowing the round-trip conversion string-FP-string (set #2 macros available C89), how would one determine the digits for FP-string-FP (set #1 macros available post C89)? In general, add 3 was the result.
Now how many signifi...
Intersection of two lists in Bash
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Can't believe I had no knowledge of comm until today. This just made my whole week :)
– Darragh Enright
Aug 19 '14 at 17:49
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Does using final for variables in Java improve garbage collection?
... // Doesn't work.
There may be some small optimisation based around the knowledge that the JVM will never have to modify the reference (such as not having check to see if it has changed) but it would be so minor as to not worry about.
Final should be thought of as useful meta-data to the develope...
Hex representation of a color with alpha channel?
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As of now, Mozilla (Firefox 49) appears to support #RRGGBBAA and #RGBA
– Shiyaz
Oct 14 '16 at 14:06
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Symfony 2 EntityManager injection in service
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Update to my own solution. The proper way now should be to use Entities and Repositories. Entity Manager is already naturally injected into a repository. You can see an example here: youtu.be/AHVtOJDTx0M
– Robert Saylor
Oct 1 '1...