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How do I get the first element from an IEnumerable in .net?
... to get the first item on any type IEnumerable.
Call it like so:
List<string> items = new List<string>() { "A", "B", "C", "D", "E" };
string firstItem = First<string>(items);
Or
int[] items = new int[] { 1, 2, 3, 4, 5 };
int firstItem = First<int>(items);
You could mod...
Amazon S3 boto - how to create a folder?
...iece of cake with Boto
k = bucket.new_key('abc/123/')
k.set_contents_from_string('')
Or use the console
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How to get a function name as a string?
In Python, how do I get a function name as a string, without calling the function?
12 Answers
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Int or Number DataType for DataAnnotation validation attribute
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This is the better solution, since this covers strings. int.MaxValue only covers until 2.147.483.647
– Christian Gollhardt
Aug 19 '15 at 17:51
add ...
jQuery convert line breaks to br (nl2br equivalent)
... if you get the error "x.replace is not a function" then use x.toString().replace
– Vörös Amadea
Aug 15 '19 at 12:18
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How to launch an Activity from another Application in Android
...better, here is the method:
public void startNewActivity(Context context, String packageName) {
Intent intent = context.getPackageManager().getLaunchIntentForPackage(packageName);
if (intent != null) {
// We found the activity now start the activity
intent.addFlags(Intent.FL...
Log4Net, how to add a custom field to my logging
...r>
<parameterName value="@CustomColumn"/>
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%property{CustomColumn}" />
</layout>
</parameter>
3) Then use one of log...
Drop all tables whose names begin with a certain string
How can I drop all tables whose names begin with a given string?
14 Answers
14
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How to grep (search) committed code in the Git history
...:
this looks for differences that introduce or remove an instance of <string>.
It usually means "revisions where you added or removed line with 'Foo'".
the --pickaxe-regex option allows you to use extended POSIX regex instead of searching for a string.
Example (from git log): git log -S"frot...
How to manually set an authenticated user in Spring Security / SpringMVC
... the part that is most relevant to you is the doAutoLogin method.
public String registerUser(UserRegistrationFormBean userRegistrationFormBean,
RequestContext requestContext,
ExternalContext externalContext) {
try {
Locale userLoca...