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Multiline bash commands in makefile
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138
You can use backslash for line continuation. However note that the shell receives the whole co...
Do fragments really need an empty constructor?
...is whole class example should show the usage.
/**
* Created by chris on 21/11/2013
*/
public class StationInfoAccessibilityFragment extends BaseFragment implements JourneyProviderListener {
public static final StationInfoAccessibilityFragment newInstance(String crsCode) {
StationInfo...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...Ref.transaction(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaScript ...
How does the MapReduce sort algorithm work?
...uce sort, except for a custom partitioner that uses a sorted list of N − 1 sampled keys that define the key range for each reduce. In particular, all keys such that sample[i − 1] <= key < sample[i] are sent to reduce i. This guarantees that the output of reduce i are all less than the outp...
PostgreSQL: Difference between text and varchar (character varying)
...array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and can lead to subtle errors be...
Insert image after each list item
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answered Jun 3 '09 at 18:46
jimyijimyi
28.2k33 gold badges3434 silver badges3434 bronze badges
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Sending an HTTP POST request on iOS
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188
The following code describes a simple example using POST method.(How one can pass data by POST...
How do I delete specific lines in Notepad++?
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edited Nov 18 '15 at 21:23
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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How can I configure my makefile for debug and release builds?
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194
You can use Target-specific Variable Values. Example:
CXXFLAGS = -g3 -gdwarf2
CCFLAGS = -g3 -...
mysql_config not found when installing mysqldb python interface
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