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How do I use prepared statements in SQlite in Android?
...speed up performance (especially for statements that need to be executed multiple times) and also help avoid against injection attacks. See this article for a general discussion on prepared statements.
SQLiteStatement is meant to be used with SQL statements that do not return multiple values. (That...
How does the Comma Operator work
...e comma operator:
has the lowest precedence
is left-associative
A default version of comma operator is defined for all types (built-in and custom), and it works as follows - given exprA , exprB:
exprA is evaluated
the result of exprA is ignored
exprB is evaluated
the result of exprB is returne...
How to link to specific line number on github
...e this:
https://github.com/git/git/blob/master/README#L18
If you want multiple lines selected, simply hold down the shift key and click a second line number, like line 20. Looks like this:
And now your browser's URL looks like this:
https://github.com/git/git/blob/master/README#L18-L20
Here...
.Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return
... may be large (which is unusual) you may want to tweak HttpWebRequest.DefaultMaximumErrorResponseLength to make sure you get the whole error.
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
...ll old version formula. And since v2.0.0, it will run brew cleanup as default behaviours every 30 days. Therefore, you may accidentally update brew and delete the old version.
Here are the steps to install old version:
Go to homebrew-core directory:
$ cd $(brew --repository)/Library/Taps/ho...
ORA-30926: unable to get a stable set of rows in the source tables
....mbr
AND b.head = c.head
AND b.type_of_action <> '6') src
ON ( a.ROWID = src.row_id )
WHEN MATCHED THEN UPDATE SET in_correct = 'Y';
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Long vs Integer, long vs int, what to use and when?
...rom how it actually does, and passing an object or array to a function resulted in a totally separate copy (where modifications inside the function weren't reflected to callers at all), how would you then describe the language? Keeping in mind that what we're talking about is completely not what Jav...
connect local repo with remote repo
...
git remote add origin <remote_repo_url>
git push --all origin
If you want to set all of your branches to automatically use this remote repo when you use git pull, add --set-upstream to the push:
git push --all --set-upstream origin
...
How to programmatically take a screenshot on Android?
...needs are:
First, you need to add a proper permission to save the file:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
And this is the code (running in an Activity):
private void takeScreenshot() {
Date now = new Date();
android.text.format.DateFormat....
Why does this CSS margin-top style not work?
...le margin. Margins that combine this way are said to collapse, and the resulting combined margin is called a collapsed margin.
Adjoining vertical margins collapse [...]
Two margins are adjoining if and only if:
both belong to in-flow block-level boxes that participate in the same...