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How can I determine if a variable is 'undefined' or 'null'?
...ed Jul 20 '17 at 20:11
temporary_user_name
29.3k3939 gold badges113113 silver badges180180 bronze badges
answered Apr 15 '10 at 18:14
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How do I escape a percentage sign in T-SQL?
... You can escape also the underscore wildcard character too: [_]. How do you escape the open square bracket then? Like this: [[]. sqlserver2000.databases.aspfaq.com/…
– Csaba Toth
Apr 3 '14 at 18:25
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How to filter logcat in Android Studio?
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I MADE A VIDEO TUTORIAL TO SHOW YOU HOW= https://youtu.be/xw2qE5ko_9I
Give your log a name. I called mine "wawa".
In Android Studio, go to Android-> Edit Filter Configurations
Then type in the name you gave the logs. In my case, it's called "wawa". Here are some examples of the ...
How do I Search/Find and Replace in a standard string?
...oldStr,
const std::string& newStr)
{
std::string::size_type pos = 0u;
while((pos = str.find(oldStr, pos)) != std::string::npos){
str.replace(pos, oldStr.length(), newStr);
pos += newStr.length();
}
}
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windowSoftInputMode=“adjustResize” not working with translucent action/navbar
...t explains in good detail how this works:
https://www.youtube.com/watch?v=_mGDMVRO3iE
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Android emulator shows nothing except black screen and adb devices shows “device offline”
... Works fantastic. If emulator is built from source (android pie aosp_x86_64-userdebug in my case), whenever executing root directory make command, the emulator need to be launched with -wipe-data argument to make it boot correctly.
– yc2986
Jan 13 '19 at...
How do I search an SQL Server database for a string?
... Asked SQL Server Questions And Their Answers:
CREATE PROCEDURE FindMyData_String
@DataToFind NVARCHAR(4000),
@ExactMatch BIT = 0
AS
SET NOCOUNT ON
DECLARE @Temp TABLE(RowId INT IDENTITY(1,1), SchemaName sysname, TableName sysname, ColumnName SysName, DataType VARCHAR(100), DataFound BIT)
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In PowerShell, how do I define a function in a file and call it from the PowerShell commandline?
... to make sure the function is loaded by running:
ls function:\ | where { $_.Name -eq "A1" }
And check that it appears in the list (should be a list of 1!), then let us know what output you get!
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What is the Difference Between read() and recv() , and Between send() and write()?
... on a socket, and will produce an error if you try to use it on, say, STDIN_FILENO.
– Joey Adams
Jul 31 '11 at 5:29
78
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How to change the background color of a UIButton while it's highlighted?
...EndImageContext()
return image
}
func setBackgroundColor(_ color: UIColor, for state: UIControlState) {
self.setBackgroundImage(imageWithColor(color: color), for: state)
}
}
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