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How to stop C++ console application from exiting immediately?
... As Charles Bailey rightly points out in a comment below, this won't work if there are characters buffered in stdin, and there's really no good way to work around that. If you're running with a debugger attached, John Dibling's suggested solution is probably the cleanest solution to your problem.
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Linux how to copy but not overwrite? [closed]
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Note, this will exit with an error if the file exists. To exit with success, try cp -n source.txt destination.txt || true
– galenandrew
Apr 1 '16 at 16:38
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How many database indexes is too many?
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It depends on the operations that occur on the table.
If there's lots of SELECTs and very few changes, index all you like.... these will (potentially) speed the SELECT statements up.
If the table is heavily hit by UPDATEs, INSERTs + DELETEs ... these will be very slow with lots...
Set title background color
...etextcolor">#FFFF00</color>
</resources>
In the AndroidMANIFEST.xml, set the theme attribute either in the application (for the whole application) or in the activity (only this activity) tags
<activity android:name=".CustomTitleBar" android:theme="@style/customTheme" ...
From ...
Remove an element from a Bash array
...ippo
$ array=( "${array[@]/$delete}" ) #Quotes when working with strings
If need to delete more than one element:
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$ delete=(pluto pippo)
for del in ${delete[@]}
do
array=("${array[@]/$del}") #Quotes when working with strings
done
Caveat
This technique actually removes prefixes matching ...
How to fix getImageData() error The canvas has been tainted by cross-origin data?
... this by simply setting:
img.crossOrigin = "Anonymous";
This only works if the remote server sets the following header appropriately:
Access-Control-Allow-Origin "*"
The Dropbox file chooser when using the "direct link" option is a great example of this. I use it on oddprints.com to hoover up ...
force Maven to copy dependencies into target/lib
...ld>
<plugins>
<plugin>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<phase>install</phase>
<goals>
<goal&...
SortedList, SortedDictionary and Dictionary
...nts will be sorted. Not so with Dictionary<T,V>.
MSDN addresses the difference between SortedList<T,V> and SortedDictionary<T,V>:
The SortedDictionary(TKey, TValue) generic class is a binary search
tree with O(log n) retrieval, where n is the number of elements in
the dic...
warning this call is not awaited, execution of the current method continues
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If you really don't need the result, you can simply change the GetNameAsync's signature to return void:
public static async void GetNameAsync()
{
...
}
Consider to see answer to a related question:
What's the differenc...
bool operator ++ and --
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It comes from the history of using integer values as booleans.
If x is an int, but I am using it as a boolean as per if(x)... then incrementing will mean that whatever its truth value before the operation, it will have a truth-value of true after it (barring overflow).
However, it's impo...