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If i synchronized two methods on the same class, can they run simultaneously?
...reads are shut out of all synchronized instance methods on that object.
In order for the two methods to run concurrently they would have to use different locks, like this:
class A {
private final Object lockA = new Object();
private final Object lockB = new Object();
public void methodA...
How to convert AAR to JAR
...Lib.jar) and move it to the lib folder within the extracted folder.
Now in order for Eclipse to accept it you need to put two files into the extracted folder root:
.project
.classpath
To do that, create a new Android dummy project in Eclipse and copy over the files, or copy over from an existing ...
Vim - how to run a command immediately when starting vim?
...ent variables and files and sets values
accordingly. Vim proceeds in this order:
1. Set the 'shell' and 'term' option *SHELL* *COMSPEC* *TERM*
2. Process the arguments
3. Execute Ex commands, from environment variables and/or files *vimrc* *exrc*
4. Load the plugin scripts. ...
how to iterate through dictionary in a dictionary in django template?
...this logic to your specific dict.
To iterate over dict keys in a sorted order - First we sort in python then iterate & render in django template.
return render_to_response('some_page.html', {'data': sorted(data.items())})
In template file:
{% for key, value in data %}
<tr>
...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...ng them as though they were. However, since they can be iterated, counted, etc, a missing value is not the same as one whose value is null.
The answer in this case, is to use array_key_exists() instead of isset().
Since this is takes the array to check as a function argument, PHP will still raise ...
How can I update npm on Windows?
...
Close /shutdown other consoles .. command prompts and PowerShell windows, etc. Even if you're using npm in a command prompt, close it.
npm -v (3.10.8)
node -v ( v6.6.0)
DONE. I'm at the version that I want.
share
...
Get int value from enum in C#
...
Since Enums can be any integral type (byte, int, short, etc.), a more robust way to get the underlying integral value of the enum would be to make use of the GetTypeCode method in conjunction with the Convert class:
enum Sides {
Left, Right, Top, Bottom
}
Sides side = Sides.B...
HTML Input=“file” Accept Attribute File Type (CSV)
...t;input type="file" accept="text/plain" />
For Image Files (.png/.jpg/etc), use:
<input type="file" accept="image/*" />
For HTML Files (.htm,.html), use:
<input type="file" accept="text/html" />
For Video Files (.avi, .mpg, .mpeg, .mp4), use:
<input type="file" accept="vi...
Encrypt & Decrypt using PyCrypto AES 256
...called the block and outputs a block. We use AES in a mode of operation in order to encrypt. The solutions above suggest using CBC, which is one example. Another is called CTR, and it's somewhat easier to use:
from Crypto.Cipher import AES
from Crypto.Util import Counter
from Crypto import Random
...
Open another application from your own (intent)
...Intent().getExtras() => if(extras != null) { extras.getString("blah") } etc
– Gaurav Vaish
Nov 19 '13 at 1:24
2
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