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Check whether a string contains a substring
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To find out if a string contains substring you can use the index function:
if (index($str, $substr) != -1) {
print "$str contains $substr\n";
}
It will return the position of the first occurrence of $substr in $str, or -1 if the ...
Delete all files in directory (but not directory) - one liner solution
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Do you mean like?
for(File file: dir.listFiles())
if (!file.isDirectory())
file.delete();
This will only delete files, not directories.
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AngularJS ng-style with a conditional expression
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As @Yoshi said, from angular 1.1.5 you can use-it without any change.
If you use angular < 1.1.5, you can use ng-class.
.largeWidth {
width: 100%;
}
.smallWidth {
width: 0%;
}
// [...]
ng-class="{largeWidth: myVar == 'ok', smallWidth: myVar != 'ok'}"
...
How to check existence of user-define table type in SQL Server 2008?
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You can look in sys.types or use TYPE_ID:
IF TYPE_ID(N'MyType') IS NULL ...
Just a precaution: using type_id won't verify that the type is a table type--just that a type by that name exists. Otherwise gbn's query is probably better.
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LF will be replaced by CRLF in git - What is that and is it important? [duplicate]
... from git that was uploaded from a unix system they will only have an LF.
If you are a single developer working on a windows machine, and you don't care that git automatically replaces LFs to CRLFs, you can turn this warning off by typing the following in the git command line
git config core.autoc...
Append to a file in Go
...f, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
panic(err)
}
defer f.Close()
if _, err = f.WriteString(text); err != nil {
panic(err)
}
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What does $1 [QSA,L] mean in my .htaccess file?
... in short;
RewriteCond basically means "execute the next RewriteRule only if this is true". The !-l path is the condition that the request is not for a link (! means not, -l means link)
The RewriteRule basically means that if the request is done that matches ^(.+)$ (matches any URL except the serv...
Best way in asp.net to force https for an entire site?
... request to a page was over https was to check it in the page load event. If the request was not over http I would response.redirect(" https://example.com ")
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How do I execute any command editing its file (argument) “in place” using bash?
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This is an answer. I was actually wondering if there is a generic solution to this problem. For example if I want to find all UNIQ lines in a file "in place", I can't do -o
– jm.
Sep 28 '08 at 21:45
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How to run .APK file on emulator [duplicate]
... android-sdk.
Then Execute this command -
./adb install FileName.apk
If the operation is successful (the result is displayed on the screen), then you will find your file in the launcher of your emulator.
For more info can check this link : android videos
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