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I want to exception handle 'list index out of range.'
...g the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
share
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file_put_contents - failed to open stream: Permission denied
...se a shared linux hosting, when my admin changed the php to 5.3 I got many error for the "file_put_contents" code. try to test my plan:
In your host create a file like mytest.php, and put this code in and save:
<?php mail('Your-EMail','Email-Title','Email-Message'); ?>
Open t...
Xcode “Build and Archive” from command line
...-o "${ipa_path}" must be an absolute path. Otherwise you will probably get error: Unable to create '.../...ipa' or it will be silently ignored creating. Damn it wasted me a couple of hours.
– h--n
Dec 12 '11 at 10:47
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Renaming columns in pandas
...x x
1 x x x x x
2 x x x x x
From v0.25, you can also specify errors='raise' to raise errors if an invalid column-to-rename is specified. See v0.25 rename() docs.
REASSIGN COLUMN HEADERS
Use df.set_axis() with axis=1 and inplace=False (to return a copy).
df2 = df.set_axis(['V', 'W', 'X...
Warning: push.default is unset; its implicit value is changing in Git 2.0
...ure is that I was running Git 1.8 on OS X Mountain Lion and never saw this error. Upgrading to Mavericks is what suddenly made it show up (running git --version will show git version 1.8.3.4 (Apple Git-47) which I'd never seen until the update to the OS.
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What's the difference between ViewData and ViewBag?
...ke the most out of it. If you don't like it or feel like its more prone to errors, simply don't use it. :)
– Bilal Fazlani
Mar 15 '15 at 9:19
5
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In Scala, what exactly does 'val a: A = _' (underscore) mean?
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val a: A = _ is a compile error. For example:
scala> val a: String = _
<console>:1: error: unbound placeholder parameter
val a: String = _
^
What does work is var a: A = _ (note var instead of val). As Chuck s...
Prevent double submission of forms in jQuery
...bute true but unobtrusive validation prevents submitting due to validation errors. After correcting errors one cannot submit the form because submitted attribute is true!
– cck
Oct 22 '13 at 12:34
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How to clear APC cache entries?
...rsion, calls are made to the Symfony form of copy and unlink, which handle errors. You may want to add checks that they succeed.
copy($apcPaths['data'], $apcPaths['web']); //'data' is a non web accessable directory
$url = 'http://localhost/apc_clear.php'; //use domain name as necessary
$result = j...
Add UIPickerView & a Button in Action sheet - How?
... the contents of an ActionSheet, as it can lead to serious invalid context errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tablevi...