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convert_tz returns null
...cat /tmp/zut.sql >> /tmp/mysql_tzinfo_to.sql
mysql --defaults-file=/etc/mysql/my.cnf --user=verifiedscratch -p mysql < /tmp/mysql_tzinfo_to.sql
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SVN command to delete all locally missing files
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Just a hint for users of scripts etc., this command fails if no files to delete are found: svn: E205001: Try 'svn help delete' for more information svn: E205001: Not enough arguments provided
– Thorsten Schöning
Jul 9 ...
CSS transition shorthand with multiple properties?
...needed to animate:
// SCSS - Multiple Animation: Properties | durations | etc.
// on hover, animate div (width/opacity) - from: {0px, 0} to: {100vw, 1}
.base {
max-width: 0vw;
opacity: 0;
transition-property: max-width, opacity; // relative order
transition-duration: 2s, 4s; // effects re...
RSS Feeds in ASP.NET MVC
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The .NET framework exposes classes that handle syndation: SyndicationFeed etc.
So instead of doing the rendering yourself or using some other suggested RSS library why not let the framework take care of it?
Basically you just need the following custom ActionResult and you're ready to go:
public c...
Initializing a list to a known number of elements in Python [duplicate]
...urrently) 4 * 24 = 96 bins. It seems natural to me (with a C / C++ / C# / etc. background) to start by initializing each bin to 0. How is this an optimization, whether premature or not?
– Technophile
Dec 28 '14 at 20:19
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The most accurate way to check JS object's type?
...g BOTH the native Object or DataType name (such as String, Date, Number, ..etc) AND the REAL type of an object (even custom ones); is by grabbing the name property of the object prototype's constructor:
Native Type Ex1:
var string1 = "Test";
console.log(string1.__proto__.constructor.name);
displ...
Why should text files end with a newline?
...ning how critical it is to end files with an EOL. In C, C++, Java (JARs), etc... some standards will dictate a newline for validity - no such standard exists for JS, HTML, CSS.
For example, instead of using wc -l filename one could do awk '{x++}END{ print x}' filename , and rest assured that the t...
Error-Handling in Swift-Language
...eyword) which let you achieve the same effect as finally blocks in Java/C#/etc
guard statement (using guard keyword) which let you write little less if/else code than in normal error checking/signaling code.
Swift 1
Runtime errors:
As Leandros suggests for handling runtime errors (like network...
Split array into chunks
... be consuming your code (3rd parties, coworkers, yourself at a later date, etc.).
There are ways to safely extend prototypes (but not in all browsers) and there are ways to safely consume objects created from extended prototypes, but a better rule of thumb is to follow the Principle of Least Surpri...
What is base 64 encoding used for?
...al: store the decimal value of each byte as three numbers: 045 112 101 037 etc. where each byte is represented by 3 bytes. The data bloats three-fold.
Hexadecimal: store the bytes as hex pairs: AC 47 0D 1A etc. where each byte is represented by 2 bytes. The data bloats two-fold.
Base-64 maps 3 byt...