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PHP parse/syntax errors; and how to solve them
...d all that other time wasting crap, when I'm just hoping for a quick edit. Now, if you're developing new features or starting from scratch, then, yes, do it in an IDE. You won't regret taking that bit of extra time at the start to set it up.
– 1934286
Mar 6 '17...
How to Deal with Temporary NSManagedObject instances?
...e Apple have updated CoreDataBooks, indeed it still uses two contexts, but now the 2nd context is a child of the first. This technique is discussed (and recommended) in WWDC 2011 presentation 303 (what's new in Core Data in iOS) and is mentioned here (with the much, MUCH, simpler code for merging ch...
'innerText' works in IE, but not in Firefox
...
textContent is now supported in IE9+, but Firefox still doesn't support innerText (although they did add IE-introduced outerHTML just few days ago).
– kangax
Nov 17 '11 at 22:20
...
Swap key with value JSON
...
Seems the better solution for nowdays (2019)! Somebody can confirm, is it? Performance good? Semantic is perfect: we can see that is really a simple "map and swap" solution.
– Peter Krauss
Jan 3 '19 at 17:41
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How to set background color of an Activity to white programmatically?
...ver you called setContentView with.
setContentView(R.layout.main);
// Now get a handle to any View contained
// within the main layout you are using
View someView = findViewById(R.id.randomViewInMainLayout);
// Find the root view
View root = someView.getRootView();
// Set the color...
Regular Expression to find a string included between two characters while EXCLUDING the delimiters
...ecause JavaScript doesn't support the lookbehind operator.
Edit: actually, now (ES2018) it's possible to use the lookbehind operator. Just add / to define the regex string, like this:
var regex = /(?<=\[)(.*?)(?=\])/;
Old answer:
Solution:
var regex = /\[(.*?)\]/;
var strToMatch = "This is a tes...
Is it possible in Java to catch two exceptions in the same catch block? [duplicate]
...here is a nice feature where if you rethrow ex in the catch, the compiler knows that only one of the listed exceptions can be thrown.
Java 6 and earlier
Prior to Java 7, there are ways to handle this problem, but they tend to be inelegant, and to have limitations.
Approach #1
try {
// stu...
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...suffixes as well, by hash-consing.
Advantages of hashtables:
Everyone knows hashtables, right? Your system will already have a nice well-optimized implementation, faster than tries for most purposes.
Your keys need not have any special structure.
More space-efficient than the obvious linked tri...
set up device for development (???????????? no permissions)
...e and the computer.
Reconnect the phone.
Run adb devices to confirm that now it has permission to access the phone.
Please note that it's possible to use , USER="$LOGINNAME" instead of , MODE="0666" in the .rules file, substituting $LOGINNAME for your login name, i.e. what id -nu prints.
In som...
What is BSON and exactly how is it different from JSON?
...and binary that aren't supported in JSON.
In practice, you don't have to know much about BSON when working with MongoDB, you just need to use the native types of your language and the supplied types (e.g. ObjectId) of its driver when constructing documents and they will be mapped into the appropria...