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Test if string is a guid without throwing exceptions?
...00 good: 637,633 ticks
10,000 bad: 717,894 ticks
COM Interop CLSIDFromString
10,000 good: 126,120 ticks
10,000 bad: 23,134 ticks
COM Intertop (Fastest) Answer:
/// <summary>
/// Attempts to convert a string to a guid.
/// </summary>
/// <param name="s">The s...
How can I assign the output of a function to a variable using bash?
...ocal builtin will accept any options that the declare builtin will accept. from a quick test, it also looks as if declare -n in a function scope also gives the variable local scope. it seems they are interchangeable here.
– init_js
Sep 6 '17 at 19:58
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How to write string literals in python without having to escape them?
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(Assuming you are not required to input the string from directly within Python code)
to get around the Issue Andrew Dalke pointed out, simply type the literal string into a text file and then use this;
input_ = '/directory_of_text_file/your_text_file.txt'
input_open = op...
Is there a way to pass the DB user password into the command line tool mysqladmin?
...ssword'
If you're trying to automate mysql solution, you can use password from variable:
mysql_pass=$(sudo grep -oP "temporary password is generated for root@localhost: \K(.*)" /var/log/mysqld.log)
mysql -uroot -p"$mysql_pass" < somescript.sql
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
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About list
First a very important point, from which everything will follow (I hope).
In ordinary Python, list is not special in any way (except having cute syntax for constructing, which is mostly a historical accident). Once a list [3,2,6] is made, it is for all i...
How to vertically center a container in Bootstrap?
...igned vertically to the middle by vertical-align: middle declaration. Spec from W3C:
middle
Align the vertical midpoint of the box with the baseline of the parent box plus half the x-height of the parent.
In cases that the parent - .vertical-center element in this case - has an explicit heig...
Show a number to two decimal places
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echo round(520.3, 2); // 520.3
echo round(520, 2); // 520
From the manual:
Description:
float round(float $val [, int $precision = 0 [, int $mode = PHP_ROUND_HALF_UP ]]);
Returns the rounded value of val to specified precision (number of digits after the decimal point). p...
How can I create a UILabel with strikethrough text?
... I guess you forgot to commit that. You should use a proper value from NSUnderlineStyle instead of @2. I am little bit pedantic here.
– Ben Sinclair
May 20 '14 at 19:02
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How to sort an array in Bash
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Nice. I remember quick sort from college days but will also research bubble sort. For my sorting needs I have first and second elements forming key followed by one data element (which I may expand later). Your code could be improved with number of key e...
Subtract days from a DateTime
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That error usually occurs when you try to subtract an interval from DateTime.MinValue or you want to add something to DateTime.MaxValue (or you try to instantiate a date outside this min-max interval). Are you sure you're not assigning MinValue somewhere?
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