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Using print statements only to debug
...e me write a lot of print statements to verify if it's all going right and identify the points of failure. But, generally, outputting so much information is not a good practice. How do I use the print statements only when I want to debug and let them be skipped when I don't want them to be printed? ...
Incompatible implicit declaration of built-in function ‘malloc’
...t's defined as int malloc() which is incompatible with the built-in type void *malloc(size_t).
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What does status=canceled for a resource mean in Chrome Developer Tools?
...being loaded, but before the load happened, you deleted the IMG node)
You did something that made loading the data unnecessary. (i.e. you started loading a iframe, then changed the src or overwrite the contents)
There are lots of requests going to the same server, and a network problem on earlier re...
Export specific rows from a PostgreSQL table as INSERT SQL script
...utility pg_dump to export to a file:
create table export_table as
select id, name, city
from nyummy.cimory
where city = 'tokyo'
$ pg_dump --table=export_table --data-only --column-inserts my_database > data.sql
--column-inserts will dump as insert commands with column names.
--data-only do...
How do I access the command history from IDLE?
...is
bound to Alt+P by default.
You can remap it in "Options -> Configure IDLE -> Keys"
You can also access this command from the top menu in IDLE: "Shell -> Previous History"
Incidentally, why don't you try a better (less ugly, for starters) shell like bpython or ipython?
...
Android set height and width of Custom view programmatically
...e programatically like that :
graphView.setLayoutParams(new LayoutParams(width, height));
This is fine if you know the exact size of the view. However, if you want a more flexible approach, you can override the onMeasure() method to measure the view more precisely depending on the space available...
What is the 
 character?
...
This is the ASCII format.
Please consider that:
Some data (like URLs) can be sent over the Internet using the ASCII character-set.
Since data often contain characters outside the ASCII set, so it has
to be converted into a valid ASCII format.
To find i...
jQuery posting JSON
... edited Nov 9 '17 at 21:07
davidism
88.4k1717 gold badges279279 silver badges265265 bronze badges
answered Apr 6 '11 at 18:19
...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
...brary or under a heading called TEAMS.
Choose Export near the bottom left side of
the window. Xcode asks you to choose a file name and password.
Edit for Xcode 4.4:
With Xcode 4.4, at step 3 choose Provisioning Profiles under LIBRARY. Then select your provisioning profiles either with the mouse...
Simplest way to check if key exists in object using CoffeeScript
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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