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Check if a string contains a number
... like to be a numberless string.
I need to enter a string and check to see if it contains any numbers and if it does reject it.
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UIButton: set image for selected-highlighted state
... @stephen: Setting the "Background"(image) property of UIButton for different conditions of "StateConfig"(Default/Highlighted/Selected/Disabled) Property works for me.
– Ajeet
Dec 10 '12 at 16:58
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Using link_to with embedded HTML
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If you want a link in rails that uses that same icon class from twitter bootstrap all you need to do is something like this.
<%= link_to "Do it@", user_path(@user), :class => "btn icon-ok icon-white" %>
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How do I merge a list of dicts into a single dict?
...rder of 'b' and 'c' doesn't match your output because dicts are unordered
if the dicts can have more than one key/value
>>> dict(j for i in L for j in i.items())
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improve this ans...
How do I concatenate two text files in PowerShell?
...nedFile.txt
You can concatenate more than two files with this style, too.
If the source files are named similarly, you can use wildcards:
Get-Content inputFile*.txt | Set-Content joinedFile.txt
Note 1: PowerShell 5 and older versions allowed this to be done more concisely using the aliases cat and...
Regex to match only letters
...e letters only (^ and $ mark the begin and end of a string respectively).
If you want to match other letters than A–Z, you can either add them to the character set: [a-zA-ZäöüßÄÖÜ]. Or you use predefined character classes like the Unicode character property class \p{L} that describes the U...
Extracting hours from a DateTime (SQL Server 2005)
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DATEPART(HOUR, [date]) returns the hour in military time ( 00 to 23 )
If you want 1AM, 3PM etc, you need to case it out:
SELECT Run_Time_Hour =
CASE DATEPART(HOUR, R.date_schedule)
WHEN 0 THEN '12AM'
WHEN 1 THEN '1AM'
WHEN 2 THEN '2AM'
WHEN 3 THEN '3AM'
WHEN 4 THEN ...
How to set layout_weight attribute dynamically from code?
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If you don't want to cast from a double to a float just put 1.0f
– Xample
Jun 21 '12 at 14:58
9
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Android: how do I check if activity is running?
...per.onStop();
active = false;
}
}
The only gotcha is that if you use it in two activities that link to each other then onStop on the first is sometimes called after onStart in second. So both might be true briefly.
Depending on what you are trying to do (update the current activity...
WebAPI Delete not working - 405 Method Not Allowed
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I found the solution eventually!
If you come across the same issue, add the following to your web.config
<system.webServer>
<validation validateIntegratedModeConfiguration="false"/>
<modules runAllManagedModulesForAllRequests="true"&g...