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Difference between wait and sleep
... process ID or a job specification; if a
job spec is given, all processes in that job's pipeline are
waited for. If n is not given, all currently active child pro-
cesses are waited for, and the return status is zero. If n
specifies a non-existent proc...
Require returns an empty object
...requires the first module (book.js) but it (author.js) will receive a partially filled object - however many things were set on the exports in book.js before it required author.js will be in that object
After book.js is completely run through, the object author.js got from require('./book') will be ...
Argmax of numpy array returning non-flat indices
...rray([0]), array([2]))
This, comparing to argmax, returns coordinates of all elements equal to the maximum. argmax returns just one of them (np.ones(5).argmax() returns 0).
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Installation error: INSTALL_PARSE_FAILED_MANIFEST_MALFORMED?
I am developing a small application that lists all the applications present/ installed on the android device. But I'm getting the below error while i'm trying to run the code.
...
How to restart Activity in Android
...his:
Intent intent = getIntent();
finish();
startActivity(intent);
Basically, I'm calling finish() first, and I'm using the exact same intent this activity was started with. That seems to do the trick?
UPDATE: As pointed out by Ralf below, Activity.recreate() is the way to go in API 11 and beyon...
How to send a JSON object over Request with Android?
...www.example.com/objects", se, "application/json", responseHandler);
It's all asynchronous, works well with Android and safe to call from your UI thread. The responseHandler will run on the same thread you created it from (typically, your UI thread). It even has a built-in resonseHandler for JSON, ...
Copying data from one SQLite database to another
...
Consider a example where I have two databases namely allmsa.db and atlanta.db. Say the database allmsa.db has tables for all msas in US and database atlanta.db is empty.
Our target is to copy the table atlanta from allmsa.db to atlanta.db.
Steps
sqlite3 atlanta.db(to go in...
How to fix Hibernate LazyInitializationException: failed to lazily initialize a collection of roles,
...r add fetch=FetchType.EAGER inside your ManyToMany annotations to automatically pull back child entities:
@ManyToMany(fetch = FetchType.EAGER)
A better option would be to implement a spring transactionManager by adding the following to your spring configuration file:
<bean id="transactionMana...
Setting the MySQL root user password on OS X
I just installed MySQL on Mac OS X. The next step was setting the root user password, so I did this next:
23 Answers
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Ruby Array find_first object?
...I also often find annoying that ruby documentation doesn't list methods of all inherited or included classes and modules.
– Mladen Jablanović
Mar 4 '10 at 17:33
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