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How do I put two increment statements in a C++ 'for' loop?
...the comma. This isn't legal C# either: for(int i = 0; i != 5; (++i)) { The extra parenthesis trick the compiler into thinking it isn't an "increment" operation any more.
– CodingWithSpike
Oct 11 '17 at 13:30
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converting a base 64 string to an image and saving it
...
Here is an example, you can modify the method to accept a string parameter. Then just save the image object with image.Save(...).
public Image LoadImage()
{
//data:image/gif;base64,
//this image is a single pixel (black)
byte[] bytes = Convert.FromBase64String("R0lGODl...
How should I log while using multiprocessing in Python?
... number of system calls (and impact on client performance) in exchange for extra latency in the aggregator proc.
– vladr
Oct 16 '13 at 19:31
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Call an activity method from a fragment
...agment.yourPublicMethod();
If you added fragment via code and used a tag string when you added your fragment, use findFragmentByTag instead:
YourFragmentClass fragment = (YourFragmentClass)fm.findFragmentByTag("yourTag");
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Mercurial: how to amend the last commit?
...t).
||
||
\/
Caveat emptor:
This extra option will only be enabled if the mercurial version is at least
2.2.0, and if the current revision is not public, is not a patch and has no
children. [...]
Clicking the button will call
'commit --amend' ...
Possible to perform cross-database queries with PostgreSQL?
...nnection. If not found, the first argument is treated as a
connection info string as for dblink_connect, and the indicated
connection is made just for the duration of this command.
one of the good example:
SELECT *
FROM table1 tb1
LEFT JOIN (
SELECT *
FROM dblink('dbname=db2','SELECT ...
When is a function too long? [closed]
...hese rules, but that should always be considered a special-case. Spending extra development time up-front is an initial investment that can avoid future (potentially crippling) tech-debt.
– Ryan Delucchi
Sep 5 '13 at 21:29
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How to get MVC action to return 404
I have an action that takes in a string that is used to retrieve some data. If this string results in no data being returned (maybe because it has been deleted), I want to return a 404 and display an error page.
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Android Left to Right slide animation
...true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.transitiontest.FirstActivity"
android:label="@string/app_name" >
<intent-f...
What's best SQL datatype for storing JSON string?
What's the best SQL datatype for storing JSON string?
5 Answers
5
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