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What's the point of NSAssert, actually?
...f an assertion fails that means something went wrong and so the app quits. One reason to use assert would be if you have some function that will not behave or will create very bad side effects if one of the parameters passed to it is not exactly some value (or a range of values) you can put an asse...
Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
One of the tips for jslint tool is:
16 Answers
16
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Should I compile with /MD or /MT?
...e cached version, so the difference will not be that far, NOTE that I mentioned that I'm not sure so don't take this comment as an argument.
– Ahmed Kamal
Jul 30 '19 at 7:21
a...
Do I need all three constructors for an Android custom view?
...ttributeSet attrs)
Used by the LayoutInflater to apply xml attributes. If one of this attribute is named style, attributes will be looked up the the style before looking for explicit values in the layout xml file.
MyView(Context context, AttributeSet attrs, int defStyleAttr)
Suppose you want to a...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
...st function (also from reshape2) integrates the melt and dcast function in one go for tasks like this: recast(df1, year + month ~ variable, sum, id.var = c("date", "year", "month"))
– Jaap
May 13 '16 at 6:17
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Failed to install Python Cryptography package with PIP and setup.py
...Since this SO question keeps coming up I'll drop a response here too (I am one of the pyca/cryptography developers). Here's what you need to reliably install pyca/cryptography on the 3 major platforms.
Please note in all these cases it is highly recommended that you install into a virtualenv and not...
Android Studio with Google Play Services
...Maps and Analytics you can replace the previous example with the following one:
dependencies {
compile 'com.google.android.gms:play-services-base:6.5.87'
compile 'com.google.android.gms:play-services-maps:6.5.87'
}
You can find the complete dependency list here
Some side note...
How can I concatenate two arrays in Java?
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I found a one-line solution from the good old Apache Commons Lang library. ArrayUtils.addAll(T[], T...)
Code:
String[] both = ArrayUtils.addAll(first, second);
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What is meant by the term “hook” in programming?
...searched for a definition but was unable to find a good answer. Would someone be able to give me an idea of what this term generally means and perhaps a small example to illustrate the definition?
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Does Spring @Transactional attribute work on a private method?
...pContext.currentProxy()).doPrivateStuff(); It will execute both methods in one same transaction if the propagation is reeuired [default environment].
– Michael Ouyang
Apr 16 at 9:05
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