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How to detect iPhone 5 (widescreen devices)?
...eight of 568.
You can imagine a macro, to simplify all of this:
#define IS_IPHONE_5 ( fabs( ( double )[ [ UIScreen mainScreen ] bounds ].size.height - ( double )568 ) < DBL_EPSILON )
The use of fabs with the epsilon is here to prevent precision errors, when comparing floating points, as pointe...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
...
The current API is not without advantages. Consider strings such as:
ps_aux_header = "USER PID %CPU %MEM VSZ"
patient_header = "name,age,height,weight"
When asked to break these strings into fields,
people tend to describe both using the same English word, "split".
When as...
MySQL - length() vs char_length()
What's the main difference between length() and char_length() ?
2 Answers
2
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How do I compare two strings in Perl?
...fied by the current locale if a legacy use locale (but not use locale ':not_characters') is in effect. See perllocale. Do not mix these with Unicode, only with legacy binary encodings. The standard Unicode::Collate and Unicode::Collate::Locale modules offer much more powerful solutions to collation ...
Java Security: Illegal key size or default parameters?
...nload link is jce-7-download
Copy the two downloaded jars in Java\jdk1.7.0_10\jre\lib\security
Take a backup of older jars to be on safer side.
For JAVA 8 the download link is jce-8-download
Copy the downloaded jars in Java\jdk1.8.0_45\jre\lib\security
Take a backup of older jars to be on safer ...
Is it bad practice to have a constructor function return a Promise?
... edited Jul 8 '16 at 12:33
ya_dimon
1,86322 gold badges1919 silver badges2929 bronze badges
answered Jul 10 '14 at 21:55
...
Installing libv8 gem on OS X 10.9+
...se the --with-system-v8 option.
Using RubyGems:
gem install libv8 [-v YOUR_VERSION] -- --with-system-v8
Using Bundler (in your Gemfile):
bundle config build.libv8 --with-system-v8
Please note that if you intend to run your own V8, you must install both V8 and its headers (found in libv8-dev for ...
“PKIX path building failed” and “unable to find valid certification path to requested target”
...ermine location of cacerts files, eg.
C:\Program Files (x86)\Java\jre1.6.0_22\lib\security\cacerts.
Next import the example.cer file into cacerts in command line:
keytool -import -alias example -keystore C:\Program Files (x86)\Java\jre1.6.0_22\lib\security\cacerts -file example.cer
You will be...
Implement C# Generic Timeout
...utable]
public sealed class WaitFor<TResult>
{
readonly TimeSpan _timeout;
/// <summary>
/// Initializes a new instance of the <see cref="WaitFor{T}"/> class,
/// using the specified timeout for all operations.
/// </summary>
/// <param name="time...
node.js fs.readdir recursive directory search
...tput required by @crawf using this line of code: require('node-dir').files(__dirname, function(err, files) { console.log(files); });
– Christiaan Westerbeek
May 14 '14 at 20:57
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