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How to toggle a boolean?
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really nice solution, i was using: test = (test == true)? false : true;
– alpera
Jan 19 '14 at 15:46
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Rails: How can I set default values in ActiveRecord?
..._new callback isn't provided for this obvious use case but I've made do by confirming whether the object is already persisted indicating that it isn't new.
Having seen Brad Murray's answer this is even cleaner if the condition is moved to callback request:
after_initialize :defaults, unless: :pers...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
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Can confirm, the steps should be: 1. delete mysql/path/table_name.idb 2. add table_name.frm 3. DROP table_name
– Jeremy Dennen
Apr 10 '19 at 21:01
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How can I limit a “Run Script” build phase to my release configuration?
...figuration is Release (assuming everything it does is contained within the test block).
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What is the “right” way to iterate through an array in Ruby?
...e Range class to use it. If you can do this please let me know, otherwise confirmation of impossibility would be appreciated though it would be disappointing. Perhaps Ruby 1.9 addresses this.
(Thanks for your time in reading this.)
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...ng: utf-8 -*-
u = u'moçambique'
print u.encode("utf-8")
print u
chmod +x test.py
./test.py
moçambique
moçambique
./test.py > output.txt
Traceback (most recent call last):
File "./test.py", line 5, in <module>
print u
UnicodeEncodeError: 'ascii' codec can't encode character
u'\xe...
How to programmatically display version/build number of target in iOS app?
...orInfoDictionaryKey("CFBundleShortVersionString") as! String
Swift 3.0+ (tested with 5.0):
let appVersionString: String = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String
To get the build number:
Objective-C:
NSString * appBuildString = [[NSBundle mainBundle] ...
Get css top value as number not as string?
...h was based on M4N's answer). Using || 0 will convert Nan to 0 without the testing step.
I've also provided float and int variations to suit the intended use:
jQuery.fn.cssInt = function (prop) {
return parseInt(this.css(prop), 10) || 0;
};
jQuery.fn.cssFloat = function (prop) {
return pa...
What is the recommended batch size for SqlBulkCopy?
...mstances, but I would recommend you have an initial batch size of 500, and test values both above and below this.
I got the recommendation to test values between 100 and 1000 for batch size from this MSDN forum post, and was skeptical. But when I tested for batch sizes between 100 and 10,000, I ...
RESTful API methods; HEAD & OPTIONS
..." or "no-op" type of method; it does nothing beyond allowing the client to test the capabilities of the server. For example, this can be used to test a proxy for HTTP/1.1 compliance (or lack thereof).
If the Request-URI is not an asterisk, the OPTIONS request applies only to the options that are ava...