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how to set cursor style to pointer for links without hrefs
...t; html tags without the href attribute for making onclick javascript calls. These links do not have a pointer style of cursor. They have text style cursor.
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How to make System.out.println() shorter
... error().
Homemade methods
or simply make a println method of your own and call it:
void println(Object line) {
System.out.println(line);
}
println("Hello World");
IDE keyboard shortcuts
IntelliJ IDEA and NetBeans:
you type sout then press TAB, and it types System.out.println() for you, with t...
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
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What if I have a separate called Counts and instead of count the rows of the grouped type, I need to add along the column Counts.
– Abhishek Bhatia
Oct 2 '17 at 21:28
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SQLite Concurrent Access
...rt as well as concurrent read/writes are provided in 2 ways - using the so-called journaling (lets call it “old way”) or write-ahead logging (lets call it “new way”)
Journaling (Old Way)
In this mode SQLite uses DATABASE-LEVEL locking.
This is the crucial point to understand.
That means ...
How do I delete all untracked files from my working directory in Mercurial?
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Add the Mercurial Extension called purge. It is distributed by Mercurial.
This extension adds a “purge” command to “hg” that removes files not known to Mercurial. i.e. untracked Files. So your command would be,
hg purge
It is not enabled by...
How to force ViewPager to re-instantiate its items [duplicate]
...in case that they are no longer valid or needs to be refreshed? I tried to call notifyDataSetChanged() on its adapter but this does not invoke instantiateItem() method again.
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make_unique and perfect forwarding
... A make_unique function template does not itself guarantee exception safe calls. It relies on convention, that the caller uses it. In contrast, strict static type checking (which is the main diff between C++ and C) is built on the idea of enforcing safety, via types. And for that, make_unique can s...
Why does parseInt(1/0, 19) return 18?
...first argument as a string which means first of all Infinity.toString() is called, producing the string "Infinity". So it works the same as if you asked it to convert "Infinity" in base 19 to decimal.
Here are the digits in base 19 along with their decimal values:
Base 19 Base 10 (decimal)
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How to get RGB values from UIColor?
...ch can vary depending on the device/OS. For example I just discovered that calling this on [UIColor darkGrayColor] will fail on an iPad 2 running iOS 7. However the same color works fine on an iPad Air running iOS 8.
– devios1
Feb 18 '15 at 22:38
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Comparing date part only without comparing time in JavaScript
...lso note that setHours() sets time based on current timezone, that automatically detected by browser. Try: t = new Date("2016-02-29T01:45:49.098Z"); t.setHours(0,0,0,0); console.log(t.toJSON()); will print "2016-02-28T15:00:00.000Z", date 28, but not 29 My current time zone is Asia/Tokyo
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