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Handling InterruptedException in Java
... way to do it?
You've probably come to ask this question because you've called a method that throws InterruptedException.
First of all, you should see throws InterruptedException for what it is: A part of the method signature and a possible outcome of calling the method you're calling. So start b...
Colspan/Rowspan for elements whose display is set to table-cell
...SS, I'll be stubborn and throw in my workaround I figured out today, especially since it's much more elegant than having a table inside a table.
Example equals to <table> with two cells per row and two rows, where the cell in the second row is a td with colspan="2".
I have tested this with I...
Check whether a string is not null and not empty
...ils
I like to use Apache commons-lang for these kinds of things, and especially the StringUtils utility class:
import org.apache.commons.lang.StringUtils;
if (StringUtils.isNotBlank(str)) {
...
}
if (StringUtils.isBlank(str)) {
...
}
...
How to manually deprecate members
...ike Objective-C, Swift has no preprocessor, so is there still a way to manually deprecate members of a class?
4 Answers
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SQL to find the number of distinct values in a column
I can select all the distinct values in a column in the following ways:
11 Answers
11
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PHP function to generate v4 UUID
... PHP docs explicitly caution that mt_rand() does not generate cryptographically secure values. In other words, values generated by this function may be predictable. If you need to ensure that the UUIDs are not predictable, you should rather use Jack's solution below, which makes use of the openssl_r...
Stop handler.postDelayed()
I call multiple Handlers by new Handler().postDelayed(new Runnable().....
How can I stop it when I click on back?
4 Answer...
More than 10 lines in a node.js stack error?
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If you'd like to see stack trace that spans over setTimeout/setInterval calls, then more sophisticated https://github.com/mattinsler/longjohn would be the way to go.
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Python Pandas Error tokenizing data
... noted
To solve it, try specifying the sep and/or header arguments when calling read_csv. For instance,
df = pandas.read_csv(fileName, sep='delimiter', header=None)
In the code above, sep defines your delimiter and header=None tells pandas that your source data has no row for headers / column ...
How do I set a background-color for the width of text, not the width of the entire element, using CS
...enate <h1> and <h2> to be in same line.... when they are originally in next lines.
– ihightower
Dec 19 '16 at 15:37
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