大约有 30,000 项符合查询结果（耗时：0.0638秒） [XML]
How to add leading zeros for for-loop in shell? [duplicate]
...
Use the following syntax:
$ for i in {01..05}; do echo "$i"; done
01
02
03
04
05
Disclaimer: Leading zeros only work in >=bash-4.
If you want to use printf, nothing prevents you from putting its result in a variable for further use:
$ foo=$(printf "%02d" 5)
$ ech...
How to make a phone call programmatically?
...ctivityNotFoundException e) {
Toast.makeText(getApplicationContext(), "Error in your phone call"+e.getMessage(), Toast.LENGTH_LONG).show();
}
share
|
improve this answer
|
...
Has Facebook sharer.php changed to no longer accept detailed parameters?
...echo 'Please <a href="' . $login_url . '">login.</a>';
error_log($e->getType());
error_log($e->getMessage());
}
} else {
// No user, so print a link for the user to login
// To post to a user's wall, we need publish_stream permission
...
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
share
|
...
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
...
jQuery Mobile: document ready vs. page events
...time you visit some page it will bind events over and over. This is not an error, it is simply how jQuery Mobile handles its pages. For example, take a look at this code snippet:
$(document).on('pagebeforeshow','#index' ,function(e,data){
$(document).on('click', '#test-button',function(e) {
...
Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
...lvable and ignore-resource-not-found serve different purposes. To prevent errors when the property file does not exist, use ignore-resource-not-found="true". To prevent errors when you use a property that does not exist in the file, use ignore-unresolvable="true". If you have multiple files that ...
Does free(ptr) where ptr is NULL corrupt memory?
...gal in C++.
BTW, freeing memory twice usually causes some kind of runtime error, so it does not corrupt anything.
Spark java.lang.OutOfMemoryError: Java heap space
...r) The following is also indicative of this problem:
java.lang.OutOfMemoryError : GC overhead limit exceeded
share
|
improve this answer
|
follow
|
...
Format bytes to kilobytes, megabytes, gigabytes
...
it has 2 errors - add 1 to (at least small) files size - not working with 0 (return NAN)
– maazza
Aug 31 '12 at 10:35
...