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make: Nothing to be done for `all'
...imes "Nothing to be done for all" error can be caused by spaces before command in makefile rule instead of tab. Please ensure that you use tabs instead of spaces inside of your rules.
all:
<\t>$(CC) $(CFLAGS) ...
instead of
all:
$(CC) $(CFLAGS) ...
Please see the GNU make manual for ...
What's a reliable way to make an iOS app crash?
...ered Nov 22 '12 at 10:36
Daij-DjanDaij-Djan
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What are the -Xms and -Xmx parameters when starting JVM?
Please explain the use of Xms and Xmx parameters in JVMs. What are the default values for them?
5 Answers
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Percentage Height HTML 5/CSS
...of the parent you've made yourself a little Catch 22. The browser gives up and just uses the content height.
So the parent of the div must have an explicit height property. Whilst that height can also be a percentage if you want, that just moves the problem up to the next level.
If you want to mak...
Find html label associated with a given input
...
First, scan the page for labels, and assign a reference to the label from the actual form element:
var labels = document.getElementsByTagName('LABEL');
for (var i = 0; i < labels.length; i++) {
if (labels[i].htmlFor != '') {
var elem = docum...
How to take backup of a single table in a MySQL database?
...
Dump and restore a single table from .sql
Dump
mysqldump db_name table_name > table_name.sql
Dumping from a remote database
mysqldump -u <db_username> -h <db_host> -p db_name table_name > table_name.sql
Fo...
Convert string to nullable type (int, double, etc…)
...tring.IsNullOrWhiteSpace() if you use .Net4
– Sergej Andrejev
Nov 12 '10 at 12:57
1
@andrefadila ...
Where is Erlang used and why? [closed]
...social bookmarking service, Delicious, which has more than
5 million users and 150 million bookmarked URLs.
• Facebook uses Erlang to power the backend of its chat service, handling more than
100 million active users.
• WhatsApp uses Erlang to run messaging servers, achieving up to 2 million c...
How to get JSON from webpage into Python script
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Get data from the URL and then call json.loads e.g.
Python3 example:
import urllib.request, json
with urllib.request.urlopen("http://maps.googleapis.com/maps/api/geocode/json?address=google") as url:
data = json.loads(url.read().decode())
...
.gitignore for Visual Studio Projects and Solutions
...e when using Git in conjunction with Visual Studio Solutions ( .sln ) and Projects?
20 Answers
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