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Simplest way to serve static data from outside the application server in a Java web application
...side the folder, the link to the image will give response 404 unless you restart the server, is there any reason for this?
– Mateus Viccari
Apr 1 '16 at 12:28
...
How to invoke a Linux shell command from Java
...rek"));
pb.redirectErrorStream(true);
Process process = pb.start();
//Read output
StringBuilder out = new StringBuilder();
BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line = null, previous = null;
...
How to use the CancellationToken property?
... CancellationToken.None if you do not plan to cancel the operation you are starting manually. Of course when system process is killed, everything is interrupted and CancellationToken has nothing to do with that. So yes, you should only create CancellationTokenSource if you really need to use it to c...
What's the best way to share data between activities?
...putExtra("some_key", value);
intent.putExtra("some_other_key", "a value");
startActivity(intent);
On the second activity:
Bundle bundle = getIntent().getExtras();
int value = bundle.getInt("some_key");
String value2 = bundle.getString("some_other_key");
Use this method if you are passing primit...
Handling warning for possible multiple enumeration of IEnumerable
...Enumerable is so important, you should consider doing the .ToList() at the start of the method.
It's a shame .NET doesn't have an interface that is IEnumerable + Count + Indexer, without Add/Remove etc. methods, which is what I suspect would solve this problem.
...
Reading a binary file with python
...ontent = file.read()
then "unpack" binary data using struct.unpack:
The start bytes: struct.unpack("iiiii", fileContent[:20])
The body: ignore the heading bytes and the trailing byte (= 24); The remaining part forms the body, to know the number of bytes in the body do an integer division by 4; T...
Put buttons at bottom of screen with LinearLayout?
... android:layout_height="wrap_content"
android:layout_gravity="start"
android:layout_weight=".18"
android:scaleType="fitCenter"
android:background="@drawable/action_bar_left_button"
android:src="@drawable/logo"/>
<ImageView
android:id="@...
Why does Git tell me “No such remote 'origin'” when I try to push to origin?
...
Two problems:
1 - You never told Git to start tracking any file
You write that you ran
git init
git commit -m "first commit"
and that, at that stage, you got
nothing added to commit but untracked files present (use "git add" to track).
Git is telling you tha...
Postgres: “ERROR: cached plan must not change result type”
...olumns being returned in the above SELECT statement.
I resolved this by restarting the application after the database table was modified. This reset the database connection, allowing the prepared statement to execute without errors.
...
Why should eval be avoided in Bash, and what should I use instead?
...
There's more to this problem than meets the eye. We'll start with the obvious: eval has the potential to execute "dirty" data. Dirty data is any data that has not been rewritten as safe-for-use-in-situation-XYZ; in our case, it's any string that has not been formatted so as to b...