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Meaning of $? (dollar question mark) in shell scripts
...ure.
Hence when scripting; I tend to use the following syntax
if [ $? -eq 0 ]; then
# do something
else
# do something else
fi
The comparison is to be done on equals to 0 or not equals 0.
** Update Based on the comment: Ideally, you should not use the above code block for comparison, refer t...
Unable to find valid certification path to requested target - error even after cert imported
...'own' take on keychains and what not. So it may be looking at something totally different.
Short of truss-ing - I'd try:
java -Djavax.net.debug=all -Djavax.net.ssl.trustStore=trustStore ...
to see if that helps. Instead of 'all' one can also set it to 'ssl', key manager and trust manager - whic...
What are bitwise operators?
I'm someone who writes code just for fun and haven't really delved into it in either an academic or professional setting, so stuff like these bitwise operators really escapes me.
...
What is the difference between save and export in Docker?
... Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them.
...
Remove scroll bar track from ScrollView in Android
...ch I want to use the entire width of the screen and be able to make (vertically) scrollable. So I've wrapped the WebView in a ScrollView in my layout XML, but no matter what I do I can't seem to be able to remove the scroll bar track from the right side of the scroll view. Even worse, I can't seem t...
Finding what branch a Git commit came from
...commit is on
git branch -a --contains <commit>
This will tell you all branches which have the given commit in their history. Obviously this is less useful if the commit's already been merged.
Search the reflogs
If you are working in the repository in which the commit was made, you can sea...
Symbolicating iPhone App Crash Reports
...
Also, if used without an address, it allow you to analyse multiple locations by submitting them one by one.
– Paul Ardeleanu
Mar 12 '12 at 10:03
...
How to implement a confirmation (yes/no) DialogPreference?
...t.
new AlertDialog.Builder(this)
.setTitle("Title")
.setMessage("Do you really want to whatever?")
.setIcon(android.R.drawable.ic_dialog_alert)
.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
...
Convert HTML to PDF in .NET
...e wkhtmltopdf solutions on my project and had a bunch of hurdles.
I personally would avoid using wkhtmltopdf - based solutions on Hosted Enterprise applications for the following reasons.
First of all wkhtmltopdf is C++ implemented not C#, and you will
experience various problems embedding it wit...
renderpartial with null model gets passed the wrong type
...
This doesn't seem to answer the question.
– John Saunders
Aug 20 '12 at 14:21
6
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