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How to replace strings containing slashes with sed?
...noted earlier on this post, if the string contained within the sed command block contains the actual delimiter used by sed - then sed terminates on syntax error. Consider the following example:
This works:
$ VALUE=12345
$ echo "MyVar=%DEF_VALUE%" | sed -e s/%DEF_VALUE%/${VALUE}/g
MyVar=12345
Thi...
The SMTP server requires a secure connection or the client was not authenticated. The server respons
...
I have the same problem.
I have found this solution:
Google may block sign in attempts from some apps or devices that do not use modern security standards. Since these apps and devices are easier to break into, blocking them helps keep your account safer.
Some examples of apps that do no...
ValueError : I/O operation on closed file
...
Indent correctly; your for statement should be inside the with block:
import csv
with open('v.csv', 'w') as csvfile:
cwriter = csv.writer(csvfile, delimiter=' ', quotechar='|', quoting=csv.QUOTE_MINIMAL)
for w, c in p.items():
cwriter.writerow(w + c)
Outside the ...
How do I style a dropdown with only CSS?
... hack described here.
.notIE {
position: relative;
display: inline-block;
}
select {
display: inline-block;
height: 30px;
width: 150px;
outline: none;
color: #74646E;
border: 1px solid #C8BFC4;
border-radius: 4px;
box-shadow: inset 1px 1px 2px #DDD8DC;
background: #FFF;
}
/...
Threading pool similar to the multiprocessing Pool?
...
@JosephGarvin I've tested it, and the threads keep blocking on an empty queue(since the call to Queue.get() is blocking) till the program ends, after which they are terminated automatically.
– forumulator
Mar 22 '18 at 15:47
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Should accessing SharedPreferences be done off the UI Thread?
...obably still read values on the background thread because getString() etc. block until reading the shared file preference in finishes (on a background thread):
public String getString(String key, String defValue) {
synchronized (this) {
awaitLoadedLocked();
String v = (String)mM...
Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
I'm looking for a way to dump the structure of an object, similar to the PHP functions print_r and var_dump for debugging reasons.
...
How to vertically align text inside a flexbox?
...Anonymous inline
boxes
Any text that is directly contained inside a block container element
must be treated as an anonymous inline element.
The flexbox specification provides for similar behavior.
4. Flex Items
Each in-flow child of a flex container becomes a flex item, and each
...
How do I check if an element is hidden in jQuery?
...this code might be more suitable:
// Checks CSS content for display:[none|block], ignores visibility:[true|false]
$(element).is(":visible");
// The same works with hidden
$(element).is(":hidden");
It is the same as twernt's suggestion, but applied to a single element; and it matches the algorith...
How do I assert my exception message with JUnit Test annotation?
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I m aware of writing a catch block and using assert within that but for better code readability i want to do with annotations.
– Cshah
Mar 21 '10 at 14:42
...