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Replace whole line containing a string using Sed
...hat 5 the \ after the c escapes the $. A double \\ did not work either (at least on Redhat 5).
Through hit and trial, I discovered that the \ after the c is redundant if your replacement string/line is only a single line. So I did not use \ after the c, used a variable as a single replacement line ...
How to list the contents of a package using YUM?
...7/NEWS
/usr/share/doc/time-1.7/README
/usr/share/info/time.info.gz
On at least one RH system, with rpm v4.8.0, yum v3.2.29, and repoquery v0.0.11, repoquery -l rpm prints nothing.
If you are having this issue, try adding the --installed flag: repoquery --installed -l rpm.
DNF Update:
To use d...
How to scale an Image in ImageView to keep the aspect ratio
...l I needed was the fitCenter and adjustViewBounds, the rest of the code at least for me was unnecessary
– kingargyle
May 22 '15 at 19:13
...
How can I combine two HashMap objects containing the same types?
...re is a way to merge two maps into fast immutable one with Guava that does least possible intermediate copy operations:
ImmutableMap.Builder<String, Integer> builder = ImmutableMap.<String, Integer>builder();
builder.putAll(map1);
map2.forEach((k, v) -> {if (!map1.containsKey(k)) bui...
Remove empty space before cells in UITableView
... introduced this option (didn't spot it in the release notes), but it's at least available in version 5.1.1.
Edit: To avoid confusion, this was the third option mentioned in the comments
b) Programmatically
Add this to i.e. viewDidLoad (credits to Slavco Petkovski's answer and Cris R's comment)
...
Deleting multiple elements from a list
...s) because some elements need to be shifted forward multiple times. (b) At least for me, it's difficult to read, because there is a sort function that doesn't correspond to any actual program logic, and exists solely for technical reasons. Even though by now I already understand the logic thoroughly...
Does MySQL index foreign key columns automatically?
...index automatically if you do an ALTER TABLE (instead of CREATE TABLE), at least according to the docs (the link is for 5.1 but it's the same for 5.5):
[...] When you add a foreign key constraint to a table using ALTER TABLE, remember to create the required indexes first.
...
How should I use Outlook to send code snippets?
...
Here's what works for me, and is quickest and causes the least amount of pain / annoyance:
1) Paste you code snippet into sublime; make sure your syntax is looking good.
2) Right click and choose 'Copy as RTF'
3) Paste into your email
4) Done
...
How do you round a float to two decimal places in jruby
...
'%.2f' % number also works is more commonly seen, at least in my experience.
– Michael Kohl
May 10 '12 at 20:52
6
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Sleep in JavaScript - delay between actions
...swered. This should help in more complicated problems, like if you need at least two sleeps, or if you are planning to sequence asynchronous execution. Feel free to modify it to fit your needs.
let sleeptime = 100
function* clock()
{
let i = 0
while( i <= 10000 )
{
...