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memory_get_peak_usage() with “real usage”
...031 MiB
real: 1 MiB
not real: 0.97883605957031 MiB
real: 1 MiB
PHP Fatal error: Allowed memory size of 1048576 bytes exhausted (tried to allocate 793601 bytes) in /home/niko/test.php on line 7
Seems like real usage is the memory allocated from the system - which seems to get allocated in larger...
How to 'minify' Javascript code
...98, i can read the code and in my experience i have less code to check for errors.And about the speed.. mh, your wrong. Performance increases using bitwise/and shorthand in complex functions is insane.expecially testing on various devices/browsers.use google shorthandbitwise javascript and you find ...
Is there a benefit to defining a class inside another class in Python?
...andard classes, is harder to read code, harder to understand code, and odd errors that are terribly difficult to understand without being intimately familiar with why the 'class' scope is entirely different to any other python scope.
...
How to make a phone call programmatically?
...ctivityNotFoundException e) {
Toast.makeText(getApplicationContext(), "Error in your phone call"+e.getMessage(), Toast.LENGTH_LONG).show();
}
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urlencode vs rawurlencode?
If I want to create a URL using a variable I have two choices to encode the string. urlencode() and rawurlencode() .
11 ...
Force LF eol in git repo and working copy
...LF line-endings, neither on checkout nor on checkin.
# - Detect whitespace errors.
# - Exposed by default in `git diff --color` on the CLI.
# - Validate with `git diff --check`.
# - Deny applying with `git apply --whitespace=error-all`.
# - Fix automatically with `git apply --whitespace=fix`...
How to retry after exception?
...s = 3
for i in range(tries):
try:
do_the_thing()
except KeyError as e:
if i < tries - 1: # i is zero indexed
continue
else:
raise
break
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How to kill/stop a long SQL query immediately?
...KILL 114 - here 114 is the SPID value of my suspended query. I get the error shon below: Please guide. Msg 102, Level 15, State 1, Line 2 Incorrect syntax near '114'.
– Code Buster
Jun 6 '16 at 10:40
...
CASCADE DELETE just once
...s(1);
INSERT 0 1
-- restricting works
testing=# delete from a where id=1;
ERROR: update or delete on table "a" violates foreign key constraint "b_id_fkey" on table "b"
DETAIL: Key (id)=(1) is still referenced from table "b".
-- find the name of the constraint
testing=# \d b;
Table "public...
Checking network connection
...tp://216.58.192.142', timeout=1)
return True
except urllib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expected to respond quickly.
This fixed IP will not map to goog...