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Ruby: Can I write multi-line string with no concatenation?
...e the .gsub invocation, in that case (although it might depend on both the starting indentation and your final needs).
EDIT: Adding one more:
p %{
SELECT * FROM users
ORDER BY users.id DESC
}.gsub(/\s+/, " ").strip
# >> "SELECT * FROM users ORDER BY users.id DESC"
...
How to atomically delete keys matching a pattern using Redis
...
Starting with redis 2.6.0, you can run lua scripts, which execute atomically. I have never written one, but I think it would look something like this
EVAL "return redis.call('del', unpack(redis.call('keys', ARGV[1])))" 0 pre...
How can I use “sizeof” in a preprocessor macro?
... PAGE_SIZE; otherwise they will produce a compile-time error.
1. C11 way
Starting with C11 you can use static_assert (requires #include <assert.h>).
Usage:
static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure doesn't match page size");
2. Custom macro
If you just want to get a ...
How do I pass an object from one activity to another on Android? [duplicate]
...ntListing);
i.putExtras(b);
i.setClass(this, SearchDetailsActivity.class);
startActivity(i);
And in newly started activity code will be something like this...
Bundle b = this.getIntent().getExtras();
if (b != null)
mCurrentListing = b.getParcelable(Constants.CUSTOM_LISTING);
...
What does status=canceled for a resource mean in Chrome Developer Tools?
... node)
You did something that made loading the data unnecessary. (i.e. you started loading a iframe, then changed the src or overwrite the contents)
There are lots of requests going to the same server, and a network problem on earlier requests showed that subsequent requests weren't going to work (D...
How to copy files from 'assets' folder to sdcard?
...to trim leading separators at the beginning of copyFileOrDir(): path= path.startsWith("/") ? path.substring(1) : path;
– Cross_
May 25 '14 at 19:10
...
Looping over a list in Python
...ist1) is 11 (elements), len(list2) will only be 10 elements because we are starting our for loop from element with index 1 in list1 not from element with index 0 in list1
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read.csv warning 'EOF within quoted string' prevents complete reading of file
... prot.desc = "character",
+ start = "character",
+ end = "character",
+ evalue = "character",
+ tchar = "charact...
What is the difference between SAX and DOM?
... is being parsed. When the parser is parsing the XML, and encounters a tag starting (e.g. <something>), then it triggers the tagStarted event (actual name of event might differ). Similarly when the end of the tag is met while parsing (</something>), it triggers tagEnded. Using a SAX pars...
Maximum number of threads per process in Linux?
....OutOfMemoryError: unable to create new native thread at java.lang.Thread.start0(Native Method) at java.lang.Thread.start(Thread.java:717) at ThreadCreation.main(ThreadCreation.java:15)
– Martin Vysny
Nov 2 '17 at 8:17
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