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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...a trap or a try/catch structure to handle the terminating error.
There is one thing to note, if you set $ErrorActionPreference to "Stop" and use Write-Error it will produce a terminating error.
In the script you linked to we find this:
if ($url.Contains("http")) {
$request = [System.Net.Ht...
Odd behavior when Java converts int to byte?
...t it as an int (32 bits) you simply copy the 1 to the left 24 times.
Now, one way to read a negative two's complement number is to start with the least significant bit, move left until you find the first 1, then invert every bit afterwards. The resulting number is the positive version of that numbe...
How do I work with a git repository within another repository?
...
Per that article, one of the drawbacks is: > The responsibility of not mixing super and sub-project code in commits lies with you. Nobody got time for that (IMO)
– Robert Dundon
Nov 22 '16 at 14:59
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CSS: How to position two elements on top of each other, without specifying a height?
...st of all, you really should be including the position on absolutely positioned elements or you will come across odd and confusing behavior; you probably want to add top: 0; left: 0 to the CSS for both of your absolutely positioned elements. You'll also want to have position: relative on .container_...
Ignore with CSS?
... can "hide" the br tags and they won't have an effect:
br {
display: none;
}
If you only want to hide some within a specific heading type, just make your css more specific.
h3 br {
display: none;
}
share
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Why isn't vector a STL container?
...ctor<bool> as a special standard container where each bool uses only one bit of space rather than one byte as a normal bool would (implementing a kind of "dynamic bitset"). In exchange for this optimization it doesn't offer all the capabilities and interface of a normal standard container.
In...
Big-O for Eight Year Olds? [duplicate]
...time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to perform won't grow because there are more items. And an O(n) operation would mean that you would perform a set o...
MySQL Data - Best way to implement paging?
My iPhone app connects to my PHP web service to retrieve data from a MySQL database. A request can return 500 results.
7 An...
C++ performance challenge: integer to std::string conversion
Can anyone beat the performance of my integer to std::string code, linked below?
13 Answers
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Extract substring using regexp in plain bash
...PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[0-9]{2}) ]] &&
echo ${BASH_REMATCH[1]}
another solution using grep and look-around advanced r...