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Calling shell functions with xargs
I am trying to use xargs to call a more complex function in parallel.
5 Answers
5
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dismissModalViewControllerAnimated deprecated
...;
The word modal has been removed; As it has been for the presenting API call:
[self presentViewController:vc animated:NO completion:nil];
The reasons were discussed in the 2012 WWDC Session 236 - The Evolution of View Controllers on iOS Video. Essentially, view controllers presented by this AP...
Using IPython notebooks under version control
...which contains some output, the output is checked out normally. Only the locally produced output is lost.
My solution reflects the fact that I personally don't like to keep generated stuff versioned - notice that doing merges involving the output is almost guaranteed to invalidate the output or yo...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
... point about money type being missing from other database, there ware ways calling decimal or numeric as money, such as creating domain.
– gg89
Sep 19 '14 at 5:57
4
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What happens with constraints when a view is removed
...When I do something like this, I save the constraints like this for a view called view1:
self.portraitConstraints = [NSMutableArray new];
for (NSLayoutConstraint *con in self.view.constraints) {
if (con.firstItem == self.view1 || con.secondItem == self.view1) {
[self.portraitConstraints ...
Overloading member access operators ->, .*
...equent member lookup is also handled by an operator-> function. This is called the "drill-down behavior." The language chains together the operator-> calls until the last one returns a pointer.
struct client
{ int a; };
struct proxy {
client *target;
client *operator->() const...
MySQL: @variable vs. variable. What's the difference?
...t a procedure variable is reinitialized to NULL each time the procedure is called, while the session-specific variable is not:
CREATE PROCEDURE prc_test ()
BEGIN
DECLARE var2 INT DEFAULT 1;
SET var2 = var2 + 1;
SET @var2 = @var2 + 1;
SELECT var2, @var2;
END;
SET @var2 = 1;
CALL pr...
Collections.emptyList() returns a List?
...nt, the compiler can figure out the generic type parameters for you. It's called type inference. For example, if you did this:
public Person(String name) {
List<String> emptyList = Collections.emptyList();
this(name, emptyList);
}
then the emptyList() call would correctly return a Lis...
Android 4.3 Bluetooth Low Energy unstable
...nect and create a fresh instance of gatt on each connect.
Don't forget to call android.bluetooth.BluetoothGatt#close()
Start a new thread inside onLeScan(..) and then connect. Reason: BluetoothDevice#connectGatt(Context context, boolean autoConnect, BluetoothGattCallback callback) always fails, if...
What is Mocking?
...ck is like a stub but the test will also verify that the object under test calls the mock as expected. Part of the test is verifying that the mock was used correctly.
To give an example: You can stub a database by implementing a simple in-memory structure for storing records. The object under test c...