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Weird PHP error: 'Can't use function return value in write context'
...empty($someVar)
Wrong:
empty(someFunc())
Since PHP 5.5, it supports more than variables. But if you need it before 5.5, use trim($name) == false. From empty documentation.
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Jquery live() vs delegate() [duplicate]
...').live('click', function() { ... });
delegate, however, uses a slightly more verbose syntax:
$('#containerElement').delegate('a.myClass', 'click', function() { ... });
This, however, seems to me to be much more explicit about what is actually happening. You don't realise from the live example...
How do I return multiple values from a function in C?
...e depends largely on personal preference as to whatever semantics you like more.
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API to automatically upload apk to Google Play? [closed]
...ad to any channel (ie. alpha, beta...) or update title and description and more.
From the docs:
Uploading new versions of an app Releasing apps, by assigning APKs to various Tracks (alpha, beta, staged rollout, or production)
Creating and modifying Google Play Store listings, including
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.NET - Get protocol, host, and port
...r will throw an exception. For most cases, I prefer my code to be a little more forgiving before aborting the task at hand.
– Jonathan Wood
Jan 2 '17 at 2:24
...
Sprintf equivalent in Java
...original Java authors (and .NET authors) decided that a static method made more sense in this situation, as you are not modifying the target, but instead calling a format method and passing in an input string.
Here is an example of why format() would be dumb as an instance method. In .NET (and prob...
How do I apply the for-each loop to every character in a String?
... to contain the character sequence represented by this string.
There are more verbose ways of iterating over characters in an array (regular for loop, CharacterIterator, etc) but if you're willing to pay the cost toCharArray() for-each is the most concise.
...
Change column type from string to float in Pandas
...supports pd.NA (pandas' object to indicate a missing value).
Read on for more detailed explanations and usage of each of these methods.
1. to_numeric()
The best way to convert one or more columns of a DataFrame to numeric values is to use pandas.to_numeric().
This function will try to change non-...
Add alternating row color to SQL Server Reporting services report
...s to use a simple VBScript function to determine the color.
It's a little more effort but when the basic solution does not suffice, it's a nice alternative.
Basically, you add code to the Report as follows...
Private bOddRow As Boolean
'************************************************************...
iOS / Android cross platform development [closed]
... can choose from ActionScript, C++, C#, Java, Lua, and Ruby.
My company is more in the game space, so I haven't played as much with the JavaScript+CSS frameworks like Titanium, PhoneGap, and Sencha. But I can tell you a bit about some of the games-oriented frameworks. Games and rich internet applica...