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How to fix PCH error?
...a caching problem. Usually it can be resolved by holding down the Option key and choosing Product > Clean Build Folder...
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Reading/writing an INI file
Is there any class in the .NET framework that can read/write standard .ini files:
16 Answers
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Reading binary file and looping over each byte
... # Do stuff with byte.
byte = f.read(1)
Or as benhoyt says, skip the not equal and take advantage of the fact that b"" evaluates to false. This makes the code compatible between 2.6 and 3.x without any changes. It would also save you from changing the condition if you go from byte mode...
When do I need to use AtomicBoolean in Java?
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When multiple threads need to check and change the boolean. For example:
if (!initialized) {
initialize();
initialized = true;
}
This is not thread-safe. You can fix it by using AtomicBoolean:
if (atomicInitialized.compareAndSet(false, true)) {
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Converting JSON String to Dictionary Not List
...nts']
I have one more question if anyone can bite: I am trying to take the average of the first elements in these datapoints(i.e. datapoints[0][0]). Just to list them, I tried doing datapoints[0:5][0] but all I get is the first datapoint with both elements as opposed to wanting to get the fir...
Using awk to remove the Byte-order mark
How would an awk script (presumably a one-liner) for removing a BOM look like?
5 Answers
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What's the (hidden) cost of Scala's lazy val?
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This is taken from the scala mailing list and gives implementation details of lazy in terms of Java code (rather than bytecode):
class LazyTest {
lazy val msg = "Lazy"
}
is compiled to something equivalent to the following Java co...
How do I programmatically shut down an instance of ExpressJS for testing?
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Rich ApodacaRich Apodaca
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Multiple queries executed in java in single statement
Hi I was wondering if it is possible to execute something like this using JDBC as it currently provides an exception even though it is possible in the MySQL query browser.
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When to favor ng-if vs. ng-show/ng-hide?
...e attached to those elements will be lost. For example, if you bound a click handler to one of child elements, when ng-if evaluates to false, that element will be removed from DOM and your click handler will not work any more, even after ng-if later evaluates to true and displays the element. You wi...