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How exactly does __attribute__((constructor)) work?
...that code in .init is run before .ctors and code in .fini after .dtors. If order is relevant that's at least one crude but easy way to distinguish between init/exit functions.
A major drawback is that you can't easily have more than one _init and one _fini function per each loadable module and woul...
Show pop-ups the most elegant way
...up/modal approach, however think of this particular UX: Say a customer is ordering an item, and the UI presents a confirm order popup (so we've 'occupied' Adam's popup with content). Now we click send or buy or whatever from that popup, and there is an error whereby the user needs to amend that or...
Constructor overloading in Java - best practice
...his as well as other examples that the constructor definitions are written order of which uses the least to the most arguments in the constructor call. Is this standard Java style? Why?: In my opinion it would make sense to do it the opposite way that way you the first constructor definition you sh...
Android: How to handle right to left swipe gestures
...e scroll view get disabled and therefore scroll action does not happen. In order to fix this you need to override the dispatchTouchEvent method of the Activity and return the inherited version of this method after you're done with your own listener.
In order to do a few modifications to Mirek's cod...
How to add an empty column to a dataframe?
...umns (single/multiple) to a DF. These columns get inserted in alphabetical order at the end of the DF.
This becomes advantageous compared to simple assignment in cases wherein you want to perform a series of chained operations directly on the returned dataframe.
Consider the same DF sample demonst...
How can I use external JARs in an Android project?
...o my project. I then added the JAR to the build path and checked it off in Order and Export.
12 Answers
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How do I see active SQL Server connections?
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I like to ORDER BY 1, 2 DESC, 3
– slartidan
Jul 10 '19 at 14:56
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Why are joins bad when considering scalability?
...spreading out, or paring down the repeated work to the bare essentials, in order to minimize resource use per work unit. To scale well, you don't do anything you don't need to in volume, and the things you actually do you make sure are done as efficiently as possible.
In that context, of course join...
How to make a phone call programmatically?
...198+","+1+","+1));
startActivity(callIntent);
for multiple ordered call
This is used to DTMF calling systems.
If call is drop then, you should pass more " , " between numbers.
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How do I perform an IF…THEN in an SQL SELECT?
...columnname>
FROM <table>
You can even put case statements in an order by clause for really fancy ordering.
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