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How to wait for async method to complete?
...condition)
{
// we'll typically execute this code many times until the condition is no longer met
Task t = SendOutputReportViaInterruptTransfer();
await t;
}
// read some data from device; we need to wait for this to return
await R...
Hide separator line on one UITableViewCell
...s to a cell in cellForRowAtIndexPath. Remember that cells are reused. Each time this cell is reused you'll add another separator line view. On large lists this may affect scroll performance. And it's just not the right way to do it.
– Dave Batton
Jun 1 '17 at 2...
Natural Sort Order in C#
Anyone have a good resource or provide a sample of a natural order sort in C# for an FileInfo array? I am implementing the IComparer interface in my sorts.
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Counting DISTINCT over multiple columns
...um a full bigint range you'll end up with a distinct count about 2 billion times smaller than there actually is. -1
– pvolders
Jul 23 '14 at 7:53
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mysqldump - Export structure only without autoincrement
I have a MySQL database and I am trying to find a way to export its structure only, without the auto increment values. mysqldump --no-data would almost do the job, but it keeps the auto_increment values. Is there any way to do it without using PHPMyAdmin (that I know it can do it)?
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How do I make an HTML text box show a hint when empty?
...
I posted a solution for this on my website some time ago. To use it, import a single .js file:
<script type="text/javascript" src="/hint-textbox.js"></script>
Then annotate whatever inputs you want to have hints with the CSS class hintTextbox:
<input ty...
How to get an MD5 checksum in PowerShell
... @davor that keeps the stream open for an indeterminate period of time, so you can't delete the file until Powershell is closed. $stream = [System.IO.File]::Open("$someFilePath",[System.IO.Filemode]::Open, [System.IO.FileAccess]::Read) then $hash = [System.BitConverter]::ToString($md5.Comp...
How to have click event ONLY fire on parent DIV, not children?
I have a DIV with a classed foobar , and a few DIVs inside that DIV that are unclassed, but I suppose they are inheriting the foobar class:
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What does “while True” mean in Python?
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@Mark eventually one should be aware that at times it takes a bit of additional help to get a new programmer to understand boolean logic and the like. All I was trying to do was help him understand it.
– Chris
Sep 21 '10 at 11:00
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...e it.
E.g. Pattern may or may not be present but can only be matched one time.
E.g. [a-z]? matches empty string or any single lower case letter.
* Match zero or more of the pattern defined before it.
- E.g. Wildcard for pattern that may or may not be present.
- E.g. [a-z]* matches empty strin...