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Git command to display HEAD commit id?
What command can I use to print out the commit id of HEAD?
9 Answers
9
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When to use enumerateObjectsUsingBlock vs. for
Besides the obvious differences:
6 Answers
6
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How to check visibility of software keyboard in Android?
...ing - find out if the software keyboard is shown. Is this possible in Android?
42 Answers
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MySQL Cannot Add Foreign Key Constraint
...the parent column exactly. For example, since medicalhistory.MedicalHistoryID is an INT, Patient.MedicalHistory also needs to be an INT, not a SMALLINT.
Also, you should run the query set foreign_key_checks=0 before running the DDL so you can create the tables in an arbitrary order rather than need...
How to add/update an attribute to an HTML element using JavaScript?
...s, including IE.
element.setAttribute() should do the trick, even in IE. Did you try it? If it doesn't work, then maybe
element.attributeName = 'value' might work.
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How to make child process die after parent exits?
... of a fork(2) and (since Linux 2.4.36 / 2.6.23) when executing a set-user-ID or set-group-ID binary.
– qrdl
Dec 10 '16 at 19:46
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
In Rails we can do the following in case a value doesn't exist to avoid an error:
12 Answers
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Send data from activity to fragment in Android
...ragobj.setArguments(bundle);
and in Fragment onCreateView method:
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
String strtext = getArguments().getString("edttext");
return inflater.inflate(R.layout.fragment, cont...
What is an example of the simplest possible Socket.io example?
...ket.IO getting started page. The API has been quite simplified since I provided this answer. That being said, here is the original answer updated small-small for the newer API.
Just because I feel nice today:
index.html
<!doctype html>
<html>
<head>
<script src='/...
jQuery form serialize - empty string
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You have to give the input element a name. E.g.:
<form id="form1" action="/Home/Test1" method="post" name="down">
<div id="div2">
<input id="input1" type="text" value="2" name="foo"/>
</div>
</form>
will give you in the alert box f...