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How do I use valgrind to find memory leaks?
...free this pointer?
json_decref(root); //What about this one? Does the order matter?
return 0;
}
This is a simple program: it reads a JSON string and parses it. In the making,
we use library calls to do the parsing for us. Jansson makes the necessary
allocations dynamically since JSON ca...
What does the PHP error message “Notice: Use of undefined constant” mean?
...;
}
Referring to a class constant without specifying the class scope
In order to refer to a class constant you need to specify the class scope with ::, if you miss this off PHP will think you're talking about a global define().
Eg:
class MyClass {
const MY_CONST = 123;
public function my_m...
Algorithm to generate a crossword
...L: The principal church of a city
[0,1] CANADA: Country on USA's northern border
[0,4] PLEASE: A polite way to ask things
[0,7] OTTAWA: Canada's capital
[1,2] TIBET: Dalai Lama's region
[1,8] EASEL: A tripod used to put a painting
[2,1] NINES: Dressed up to (?)
[4,1] DENSE: Thick; impenetrable
[3,6]...
Is there a naming convention for MySQL?
... @rsb2097 Re: point 5 - After adding one column (to the end) the order could become invalid. You shouldn't add any constraint that requires re-ordering the columns as that's an unnecessary overhead.
– Will Sheppard
Aug 21 '18 at 10:26
...
Difference between binary semaphore and mutex
...t So Can we say that Mutex are Used for atomicity and Binary Semaphore for Ordering perspective since Task B will be waiting for Task A to signal the release of lock inherently making sure of ordering of operations on a data strurcture?
– abhi
Feb 23 '14 at 9:1...
Split files using tar, gz, zip, or bzip2 [closed]
... That works correctly only on NTFS and if the files are in NTFS sort order already. Try it on FAT or FAT32 = boom.
– Joshua
Sep 20 '13 at 20:27
...
What's the fastest way to merge/join data.frames in R?
...- data.frame(d1, g1, g2)
library(rbenchmark)
benchmark(replications = 1, order = "elapsed",
merge = merge(d1, d2),
plyr = join(d1, d2),
data.table = {
dt1 <- data.table(d1, key = "x")
dt2 <- data.table(d2, key = "x")
data.frame( dt1[dt2,list(x,y1,y2=dt2$y2)] )
...
How to create default value for function argument in Clojure
...ure's version of partial lets you provide the "default" values only in the order they appear in the function definition. Once the parameters have been ordered as desired, you can then create a "default" version of the function using the partial function:
(partial string->integer 10)
In order t...
Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
...o change the id-attribute on a surrounding JSF-tag when saving a change in order for the runtime engine to discover the change - went away, giving the save-in-editor, reload-in-browser cycle back, along with much better error messages.
...
CSS selector for a checked radio button's label
...stify-content: center;
}
.filter-label {
display: inline-block;
border: 4px solid green;
padding: 10px 20px;
font-size: 1.4em;
text-align: center;
cursor: pointer;
}
main {
clear: left;
}
.content {
padding: 3% 10%;
display: none;
}
h1 {
font-size: 2em;
...